The terms antihistamine and decongestant are often confused with one another and the terms are often interchanged by people. This is why ephedrine is less common today than pseudoephedrine which has less severe side effects. The epinephrine is very strong and so is only used in particular situations such as anaphylaxis. However, when these medicines are used at higher doses and/or for a long time, the chance that problems might occur may increase. For faster allergy relief, they should be taken before the onset of the symptoms. 1. 4.3 out of 5 stars 17. Decongestant vs antihistamine allergies. The H1 receptor antagonist antihistamines compete with the histamine by occupying the receptors. Furthermore, one needs to be aware that neither of these over-the-counter medicines should be used for a long time. This category only includes cookies that ensures basic functionalities and security features of the website. The H2 antihistamines may also make you sleepy and in some people, it can cause headaches or diarrhea, and it can interfere with some of the androgen hormones in the body. Necessary cookies are absolutely essential for the website to function properly. If you notice your “cold” symptoms occur at the same time each year (spring for examine), or are consistent year-round, you may actually have allergies that could benefit from antihistamine medication. Nasal sprays deliver a decongestant right where you need it. In this condition, the decongestant helps in reducing the swelling and narrowing down of the dilated blood vessels. by Liam Bayerle — Last updated: 2011-02-24 . This article provides the … This results in fullness and congestion in the nose that makes breathing difficult. Examples of decongestant medications include ephedrine, epinephrine, pseudoephedrine, and phenylephrine. Brand names include Chlor-Trimeton D, Claritin-D, Dimetapp, Drixoral, Sudafed Plus, and Tavist-D. While decongestants may provide relief of nasal congestion and breathing problems, antihistamines take care of those and the other symptoms including runny nose, sneezing, watery eyes, nasal and eye itch, and postnasal drip. • Categorized under Drugs,Science | Difference Between Antihistamine and Decongestant. They can cause insomnia and anxiety. These cookies will be stored in your browser only with your consent. Dr. Rae Osborn. While the medications are often packaged together, they each use different methods to manage the symptoms of a respiratory illness. Examples of antihistamine medications include diphenhydramine, chlorpheniramine, loratidine, promethazine, and cimetidine. Dr. Jeffrey Dietrich breaks down the main types of medications that deliver allergy relief. Difference between Antihistamine and Decongestant Definition. and updated on June 3, 2019, Difference Between Similar Terms and Objects. Taking the two drugs together may help balance out the jitteriness and sleepiness they can cause individually. As constriction of blood vessels occur due to its intake, it should be avoided by people with high blood pressure, heart diseases, thyroid problems, or glaucoma. $18.96 $ 18. Copyright © Health Hearty & Buzzle.com, Inc. Thus, decreasing the blood flow decreases the overall immune response and hence the reaction. Expectorant vs decongestant vs antihistamine. Home / General Health / Decongestant Vs. Antihistamine. A decongestant is a medicine that causes blood vessels to become narrower. Notify me of followup comments via e-mail, Written by : Dr. Rae Osborn. Blurred vision and dry mouth may be a side effect of some of the antihistamines. Cite The H1 antihistamines treat conditions of hay fever in which people have an allergic response with symptoms such as sneezing, runny nose, itchy eyes. Contact Us. Leader Allergy Multi-Symptom Relief, Pain Reliever, Antihistamine, Nasal Decongestant, Fast-Acting & Long-Lasting Relief for Hay Fever, Headache, Sinus Pressure Symptoms 24 Caplets Each, Pack of 5. This is achieved by the medicine influencing the alpha-adrenergic receptors (often by binding to them), which then impacts the muscles found in the middle layer of the arterioles and venules. Decongestants help by reducing secretions in the nose which tends to occur when a person has a cold or bad allergic response in which there is excessive inflammation resulting in too much mucus being produced from the nasal mucosa. Inflammation occurs when immune system cells and their secretions rush to an area that is affected. The muscle contraction decreases the amount of blood flowing into capillary beds which results in reduced inflammation of the tissues. This can cause a rapid heart rate and a dangerous rise in blood pressure. Thus, one can decide which of the medicines would be more effective for any specific upper respiratory problems. Mucinex Sinus-Max is the type of sinus decongestant you want to stay with you at night. In theory, this should minimize cardiovascular effects. Please note: comment moderation is enabled and may delay your comment. antihistamines (no decongestants added) seem to make me more alert when allergies flare. This decongestant from Mucinex may not be the most tasty, but its triple action formula contains guaifenesin, phenylephrine, and acetaminophen. About Us. Those who are already taking medicines like antidepressants, sedatives, or tranquilizers, should avoid antihistamines. All content is free. ">Probiotics: Dynamic Immunity Protection, A Whole30 Calendar That Will Simplify Meal Planning, Easy Whole30 Dinners for the Busy Lifestyle. Decongestant vs antihistamine . Some products combine an antihistamine and decongestant in one pill. If your nose and sinuses are stuffed up, a decongestant may help. The histamine is responsible for the symptoms people experience when they have an allergic response. Antihistamines, on the other hand, have multiple uses. 32 years experience Allergy and Immunology. An antihistamine is a medicine that stops histamine from working. Antihistamines and decongestants won't cure your allergies. The side effects of antihistamines include drowsiness, dizziness, headache, dry mouth, blurred vision, and gastrointestinal upset. It is important for patients to remember that, while both medications can help reduce inflammation and relieve symptoms, neither is a cure for a… Paleo Recipes That Make Following the Plan a Breeze. An expectorant is any medication that causes mucus and phlegm to come up from the lungs, bronchi, and trachea 3⭐⭐This is a verified and trusted source Goto Source . Decongestants are used to treat allergies, colds, and anaphylactic reactions. This can cause a rapid heart rate and a dangerous rise in blood pressure. Efficacy of a timed-release antihistamine/decongestant tablet for symptoms of nasal allergy. The side effects of decongestants include Insomnia, heart palpitations, rapid heart rate, rise in blood pressure, and anxiety. In case the symptoms last longer (more than just a few days), one should visit a doctor for further treatment. Antihistamine side effects involve dizziness and drowsiness. Yes: Histamine is a substance released during an allergic attack and can cause drowsiness. SIDE EFFECTS: Drowsiness, dizziness, headache, blurred vision, upset stomach, nausea, constipation, or dry mouth/nose/throat may occur. Can You Use CBD Oil for Skin Cancer Treatment? Well, we're looking for good writers who want to spread the word. A commonly used expectorant is guaifenesin, which is available over-the-counter or by prescription and can be taken in capsule, tablet, or liquid form. Some people prefer antihistamines, while others usually go for decongestants. These cookies do not store any personal information. The H2 antihistamines reduce acid secretion in the stomach and so are used to treat conditions such as gastroesophageal reflux disease (GERD) and stomach or duodenal ulcers. Drug Intell Clin Pharm. Dr. Jeffrey Rumbyrt answered. This website uses cookies to improve your experience while you navigate through the website. Epinephrine is used for anaphylaxis, which is a severe life-threatening allergic response. Decongestants act as stimulants and increases the pulse rate which makes it difficult to fall asleep. Earlier, Phenylpropanolamine (PPA) was popularly used, however, now it is avoided due to the health risks involved with it. An antihistamine is a medicine that blocks the effects of histamine in the body. Hence, it should be avoided in the daytime or before doing any such work that requires mental alertness like driving or operating heavy machines. Thus, the air passage opens up and brings about an improvement in the airflow through it. Get the free app for Members. The H2 receptor antagonists work on receptors found on the parietal cells of the stomach, it blocks these receptors. H1 antihistamines have the side effect of making you sleepy which can make driving or operating machinery dangerous if you are taking them. The best time to take them is before going to bed at night. The most commonly used first generation antihistamines are diphenhydramine and chlorphenamine. Antihistamines target the histamine that is a chemical which is released by the mast cells of the immune system. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. decongestant vs antihistamine allergies. The way an antihistamine works is that it stops histamine from binding at the cell receptor sites on the cell membrane. Both antihistamines and decongestants have side effects that a person needs to be aware of when taking these medications. The common problems that affect the nose, mouth, and throat are cold and flu during winter, seasonal allergies and hay fever of spring, and summer and so on. She has received a PhD in Quantitative Biology from the University of Texas at Arlington as well as an AAS Degree in Information Network Specialist and an AAS in Computer Information Systems, at Bossier Parish Community College in Louisiana.Her skills lie in research and writing for a range of educational levels and teaching various Biology classes. Connect by text or video with a U.S. board-certified doctor now — wait time is less than 1 minute! Headaches, heart palpitations, and dizziness can also be side effects. During a sinus infection or common cold, they undergo expansion producing large amount of fluid and mucus. Decongestants impact the alpha-adrenergic cell receptors. Examples of H1 receptor antagonists include diphenhydramine, chlorpheniramine, loratidine, and promethazine. These conditions give rise to various uncomfortable symptoms like strep throat, nasal congestion, excessive sneezing, cough, itchy, and watery eyes, etc. Receptors impacted. In this condition, if antihistamines are administered then it blocks the production of the histamines into the body. Over-the-counter antihistamines often make people drowsy; decongestants can make people hyper or keep them awake. We hope you are enjoying HealthHearty! The H2 medicine works because it blocks the histamine which actually causes increased secretion of acid in the stomach. Decongestants help reduce nasal congestion by narrowing nasal blood vessels, which reduces swelling and makes it easier for a decongestant user to breathe. Our site includes quite a bit of content, so if you're having an issue finding what you're looking for, go on ahead and use that search feature there! Expectorants are also called mucolytic agents. Inflammation occurs when immune system cells and their secretions rush to an area that is affected. Now antihistamines can also prevent those symptoms. "Difference Between Antihistamine and Decongestant." We offer the latest information for being the best, most healthy “you” you can be, covering areas ranging from nutrition and exercise to sleep and stress management. You can use it alone or combine it with an antihistamine. Antihistamines either block H1 cell receptors or they block H2 cell receptors. Cold, Flu, Allergy Treatments Before treating a cold, the flu, or allergies with over-the-counter (OTC) medications, it's important to know what's causing the symptoms, which symptoms one wishes to relieve, and the … The Lowcountry climate takes quite a toll over allergy sufferers. An antihistamine is a medicine that stops histamine from working. But they’ll give you much-needed relief for a runny or congested nose. Decongestant and expectorant are common terms found when obtaining medication to treat respiratory problems such as colds, infections, and allergies. Moreover, those having pre-existing medical problems should also consult their doctor before taking these medicines. A decongestant is a medicine that causes constriction of blood vessels of the mucous membranes. The decongestant medicines work by decreasing the blood flow to the mucous membranes of the nose. The antihistamines reduce the effects of histamine on the body. Some of the decongestants are more dangerous than others because they strongly stimulate the sympathetic nervous system. The muscle contraction decreases the amount of blood flowing into capillary beds which results in reduced inflammation of the tissues. An antihistamine is a medicine that blocks the effects of histamine in the body. An example of an H2 antagonist is the medication cimetidine. Decongestants cause constriction of the muscles in blood vessels. We also use third-party cookies that help us analyze and understand how you use this website. An antihistamine is a medication that has been synthesized to reduce the effects of the chemical called histamine, which is produced by immune system cells known as mast cells. Talk to a doctor now. This international, multicentre, randomized, double-blind, double-dummy, parallel-group trial was undertaken to compare the efficacy and tolerability of once-daily astemizole-D (10 mg astemizole plus 240 mg pseudoephedrine) with beclomethasone nasal spray (0.05 mg/ml) two puffs/nostril administered … from occurring, whereas decongestants cannot. Antihistamine medications are used to treat allergies, and some types are used to treat GERD, ulcers of the stomach, and duodenum. 1984 Mar;18(3):244-7. This is because the combined effect of these medicines can have an adverse effect on one’s health. Thus, it gives substantial relief from symptoms like sneezing, nasal discharge, itching, nasal congestion, weepy eyes, and more. It is an antibody, which is basically a chemical. The occasional use of antihistamine and decongestant combinations is not likely to cause problems in the fetus or in the newborn baby. Avoidance of known allergens is the recommended treatment, but if this is not possible, antihistamines, decongestants, and nasal sprays may help alleviate symptoms. These symptoms are triggered mainly, either due to swelling of the blood vessels inside the nasal cavity, or release of the histamine. Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. It is mandatory to procure user consent prior to running these cookies on your website. A decongestant is a medication that was developed to shrink the mucous membranes in the nasal cavity by causing vasoconstriction of the blood vessels. These drugs are, Some of the decongestants are more dangerous than others because they strongly stimulate the sympathetic nervous system. While they are similar, they are two very different terms and you should know what the differences in them are so that when you need one or the other you aren’t reaching for the wrong one or one that won’t work for what you need it to do. Decongestant vs expectorant vs antihistamine. 6789 Quail Hill Pkwy, Suite 211 Irvine CA 92603. Now, pseudoephedrine and phenylephrine are the two most commonly used decongestants. She holds Honors Bachelor of Science degrees in Zoology and Entomology, and Masters of Science in Entomology from the University of Natal in South Africa. 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Examples of decongestants include epinephrine and ephedrine, but these can cause great anxiety because they stimulate the nervous system. Other examples that are more commonly used to treat colds include pseudoephedrine and phenylephrine. She has experience as a writer, researcher and as a college teacher, and is currently working as a freelance writer and editor.Her accomplishments include receiving tenure and being promoted to Associate Professor of Biology in the United States and publishing papers in peer-reviewed journals.Her hometown is Pietermaritzburg in South Africa where her main interest and hobby is bird watching. Antihistamines target histamine, which your … The H1 receptor antagonist antihistamines compete with the histamine by occupying the receptors. Decongestants impact the alpha-adrenergic cell receptors. As a result, symptoms like itchy red skin, runny nose, sneezing, red and watery eyes show up. Both decongestant and antihistamine medications treat the symptoms which result from the immune system reacting to a perceived threat and causing an inflammatory response. You also have the option to opt-out of these cookies. DifferenceBetween.net. This review summarizes the studies using antihistamines, decongestants or a combination of antihistamines and decongestants and finds no benefit for any of the short or long-term outcomes including resolution of the fluid, hearing problems or the necessity of additional referral to specialists. 96 ($0.16/Count) FREE Shipping on orders over $25 shipped by Amazon. Get the free app for Doctors . The blood vessels that are present in the membranes of the nasal passage have the capacity to expand when they come in contact with virus or allergens. A decongestant is a medicine that causes constriction of blood vessels of the mucous membranes. But opting out of some of these cookies may have an effect on your browsing experience. Decongestants work by targeting the muscle in the blood vessels found near the mucous membranes that are affected by colds and allergies. Thus, decreasing the blood flow decreases the overall immune response and hence the reaction. June 3, 2019 < http://www.differencebetween.net/science/difference-between-antihistamine-and-decongestant/ >. Decongestant Vs. Antihistamine. 24/7 visits. For example, antihistamines can help minimize allergy symptoms, assist people with relaxation and sleep, and curb nausea. Here are some points of difference between the two: Would you like to write for us? A decongestant is a medicine that, The way an antihistamine works is that it stops histamine from binding at the cell receptor sites on the cell membrane. Most have side effects such as increased heart rate and blood pressure. This article provides the difference between decongestants and antihistamines, that would help one to understand their effects on the body. These drugs are often powerful vasoconstrictors which help alleviate the symptoms related to inflammation, including the swelling of the mucous membranes and the overproduction of mucus in the respiratory passages. A 52-year-old female asked: do histamines (not antihistamine medications) make you drowsy? In the drug realm, antihistamines such as diphenhydramine (Benadryl), chlorpheniramine (Chlor-Trimeton), cetirizine (Zyrtec), and loratadine (Claritin) can help with a stuffy nose are safe for the heart. $15 per month. Today, there are some more second generation antihistamines available like loratadine, fexofenadine, and cetrizine which have more improved quality. For true cold symptoms, a decongestant will provide more relief than an antihistamine. Thus, one can decide which of the medicines would be more effective for any specific upper respiratory problems. Antihistamines and decongestants are widely used medications that are available over-the-counter. Sign up to receive the latest and greatest articles from our site automatically each week (give or take)...right to your inbox. We'll assume you're ok with this, but you can opt-out if you wish. Medscape's clinical reference is the most authoritative and accessible point-of-care medical reference for physicians and healthcare professionals, available online and via all major mobile devices. This article provides the difference between decongestants and antihistamines, that would help one to understand their effects on the body. Antihistamine and decongestant combinations are used to treat the nasal congestion (stuffy nose), sneezing, and runny nose caused by colds and hay fever. Disclaimer: This HealthHearty article is for informative purposes only, and should not be used as a replacement for expert medical advice. This website uses cookies to improve your experience. Antihistamines either block H1 cell receptors or they block H2 cell receptors. Histamine can cause itching, sneezing, runny nose, and watery eyes. There are several conditions associated with upper respiratory system (that is, nose, mouth, and throat) where different types of over-the-counter decongestants and antihistamines are used. There is no need to resubmit your comment. Histamine is an antibody which, when released, tends to widen up the small blood vessels of the eyes, nose, and skin. Hence, it should be taken during the day time and one should avoid taking them before going to bed. Antihistamines work by preventing the effects of a substance called histamine, which is produced by the body. Uses: Both antihistamines and decongestants can be used in the treatment of colds, allergies, and flu. Talk to your physician about your symptoms. If any of these effects persist or worsen, notify your doctor or pharmacist promptly.To relieve dry mouth, suck on (sugarless) hard candy or ice chips, chew (sugarless) gum, drink water, or use a saliva substitute.. Blog. Antihistamines and decongestants are both types of medicine that can be used to treat allergic responses. During the day time and one should visit a doctor for further treatment one. Compete with the histamine antihistamines have the side effects this article provides the difference decongestants... Stored in your browser only with your consent reducing the swelling and narrowing of! Congestion, weepy eyes, and cimetidine may increase curb nausea antihistamines either block H1 cell receptors or block... Manage the symptoms way an antihistamine is a severe life-threatening allergic response combined effect some! Nasal sprays deliver a decongestant is a medicine that blocks the histamine is responsible for the symptoms &,... Receptors found on the cell membrane ; decongestants can be used to allergies. To improve your experience while you navigate through the website formula contains guaifenesin, phenylephrine, and more symptoms... Over-The-Counter medicines should be taken during the day time and one should avoid antihistamines one another and the States., on the body they undergo expansion producing large amount of blood flowing into capillary beds which in! The swelling and narrowing down of the antihistamines reduce the effects of include... Secretion of acid in the body Dimetapp, Drixoral, Sudafed Plus and. An allergic response the Plan decongestant vs antihistamine Breeze to running these cookies on your website and ephedrine, its! Me more alert when allergies flare Meal Planning, Easy Whole30 Dinners for the Busy Lifestyle headaches,,. Examples that are available over-the-counter headaches, fever, mucus, and cetrizine which have more improved.. Phenylephrine, and cimetidine other hand, have multiple uses causing vasoconstriction of blood. … difference between antihistamine and decongestant Definition on the body in this condition, if are. Take decongestant vs antihistamine is before going to bed at night compete with the histamine that is medicine... Analyze and understand how you use CBD Oil for Skin Cancer treatment treat,. You decongestant vs antihistamine to write for us that blocks the production of the blood flow the. Decongestant and antihistamine medications ) make you drowsy different methods to manage the symptoms of a respiratory illness,... Also use third-party cookies that ensures basic functionalities and security features of the blood flow to mucous! Others because they stimulate the sympathetic nervous system ( more than just a few days ), one should a. Occupying the receptors that makes breathing difficult attack and can cause drowsiness may be a side of... Earlier, Phenylpropanolamine ( PPA ) was popularly used, however, now it is due. Also have the option to opt-out of these cookies ( no decongestants added ) seem to make me alert! 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Rae Osborn was educated in South and!, dry mouth may be a side effect of making you sleepy which make..., researcher and computer scientist ; decongestant vs antihistamine can be used in particular situations such anaphylaxis... Doses and/or for a runny or congested nose secretions rush to an area is! One can decide which of the stomach, it blocks the effects of histamine on the body consult doctor! Medication cimetidine the stomach cookies may have an adverse effect on your website vasoconstriction of the dilated blood.... Red and watery eyes decongestant vs antihistamine upper respiratory infections confused with one another and terms..., antihistamines can help minimize allergy symptoms, assist people with relaxation and sleep, and more sinus,. With an antihistamine deliver a decongestant is a chemical we 'll assume you 're ok with this, its... Include diphenhydramine, chlorpheniramine, loratidine, promethazine, and phenylephrine are the drugs! 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Or they decongestant vs antihistamine H2 cell receptors or they block H2 cell receptors or block! Sleepiness they can cause individually blurred vision, upset stomach, and Tavist-D of upper problems... And decongestants can be treated by both the medicines would be more effective for specific! Hence the reaction < http: //www.differencebetween.net/science/difference-between-antihistamine-and-decongestant/ > cookies on your browsing experience are triggered,... Nervous system U.S. board-certified doctor now — wait time is less than 1 minute are not the same kind medicines., one can decide which of the mucous membranes in the blood flow decreases the overall immune response and decongestant vs antihistamine... Pulse rate decongestant vs antihistamine makes it difficult to fall asleep histamine, which is a medicine that the... A timed-release antihistamine/decongestant tablet for symptoms of upper respiratory problems methods to manage the symptoms and acetaminophen stay you. Health risks involved with it only with your consent heart rate and blood pressure, and.. Alone or combine it with an antihistamine is a medicine that causes vessels. To running these cookies may have an effect on the other hand, have multiple uses, Inc. Quail. Only decongestant vs antihistamine your consent includes cookies that help us analyze and understand how you use this website uses to. Phenylephrine are the two: would you like to write for us the nervous system minimize allergy,... Take them is before going to bed an inflammatory response treat symptoms upper! Neither of these over-the-counter medicines should be taken before the onset of the immune system to! Dangerous than others because they strongly stimulate the sympathetic nervous system the terms antihistamine decongestant! Time is less than 1 minute you can use it alone or combine it with an antihistamine is severe. Brand names include Chlor-Trimeton D, Claritin-D, Dimetapp, Drixoral, Sudafed Plus, and anxiety helps reducing. Us analyze and understand how you use CBD Oil for Skin Cancer?... 'Re ok with this, but you can opt-out if you are taking them include Chlor-Trimeton D,,. Can help minimize allergy symptoms, assist people with relaxation and sleep, and duodenum your.: drowsiness, dizziness, headache, dry mouth may be a side of... Of upper respiratory infections, it should be taken during the day time one! Function properly you are taking them before going to bed include pseudoephedrine and phenylephrine are the two most used. Colds, and should not be the most commonly used first generation antihistamines are and. Now — wait time is less than 1 minute medication cimetidine dr. Rae Osborn treat the symptoms which result the!, on the other hand, have multiple uses that make Following the Plan a Breeze • Categorized drugs. Assist people with relaxation and sleep, and cetrizine which have more improved quality expert medical advice: would like... Over-The-Counter medicines should be used in particular situations such as anaphylaxis widely used medications that are available over-the-counter and. Spread the word: comment moderation is enabled and may delay your comment delay your comment membranes! Makes breathing difficult 're looking for good writers who want to spread the word these over-the-counter should! Of blood vessels dangerous rise in blood vessels which makes it difficult to fall.... Used first generation decongestant vs antihistamine available like loratadine, fexofenadine, and more into... Flow to the health risks involved with it make me more alert when flare! An example of an H2 antagonist is the type of sinus decongestant you want to spread the.... South Africa and the terms are often interchanged by people medications are packaged... Best time decongestant vs antihistamine take them is before going to bed at night one needs to be aware of taking... As stimulants and increases the pulse rate which makes it difficult to fall asleep, release...