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Doctor insights on: Antihistamines Otc

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What is the best OTC antihistamine for eczema? Claritin, (loratadine) allegra or zyrtec?

What is the best OTC antihistamine for eczema? Claritin, (loratadine) allegra or zyrtec?

NONE: No antihistamine helps eczema. Antihistamines are useful for histamine- driven conditions: urticarias. Hives. Antihistamines relieve itch if there is urticaria, but not eczema. ...Read more

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Benadryl (Definition)

Diphenhydramine is a sedating antihistamine which is a kind of antihistamine type drug (common ...Read more


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Are non-drowsy antihistamines such as Claritin (loratadine) effective for treating asthma?

Are non-drowsy antihistamines such as Claritin (loratadine) effective for treating asthma?

Not directly: Claritin is useful to reduce the symptoms of allergies, especially post nasal drip. It should be used with other medications. Mid you are having serious allergic symptoms that worsen your asthma, see an allergist. ...Read more

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Are there OTC nasal steroid?

Are there OTC nasal steroid?

Yes: Nasacort (triamcinolone) was approved for OTC use this spring. Flonase has received approval by the FDA for over the counter use but will not be available until next spring. ...Read more

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Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Yes: Claritin is a second generation antihistamine which causes much less drowsiness than first generation antihistamine, like benadryl (diphenhydramine). The number of people who feel drowsy on Claritin is so low that it is labeled "non-drowsy". But each of us is unique. I have plenty of patients who feel drowsy on claritin, especially petite women. ...Read more

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Any effective OTC alternatives to oral antihistamines?

Any effective OTC alternatives to oral antihistamines?

Antihistamine picks: To answer this we need to know what symptom you want the antihistamine to treat. If you want to stop itching, oral steroids can be used, they are very strong and work well but have loads of side effects and dangers. For a runny nose from allergies, nasal antihistamine or corticosteroid sprays are more effective; montelukast can also be tried. None of these are otc, though. ...Read more

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Do antihistamines like Benadryl (diphenhydramine) help prevent oral allergy syndrome?

Do antihistamines like Benadryl (diphenhydramine) help prevent oral allergy syndrome?

Probably not: Oral allergy syndrome is usually caused by pollens and sometimes nuts. Claritin, zyrtec and Allegra (fexofenadine) can help with pollen allergies. But like any other allergy, it is best to stay away from the problem. Have an allergist test you and see what treatment would be best. ...Read more

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Might I use Benadryl (diphenhydramine) itch cream(extra strength) with Benadryl (diphenhydramine) allergy pills?

Might I use Benadryl (diphenhydramine) itch cream(extra strength) with Benadryl (diphenhydramine) allergy pills?

Benadryl (diphenhydramine): Not sure what you are treating. The cream works best to relieve itchy insect bites. The pill is for more systemic allergies. You can use them together but i don't see what for. ...Read more

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Can taking the OTC chlorpheniramine maleate (antihistamine) make you sweaty?

Can taking the OTC chlorpheniramine maleate (antihistamine) make you sweaty?

Possible, unlikely: It can cause you to be sweaty, but this would be unlikely. ...Read more

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Over the counter cold relief medications without acetaminophen or pseudoephedrine?

Over the counter cold relief medications without acetaminophen or pseudoephedrine?

Read labels: There are literally thousands of OTC medications for cold relief. If you need decongestion, try something like Afrin nasal spray but do not use it for more than 5 days else you may end up worse off afterwards. ...Read more

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Besides doxylamine & diphenhydramine, what other OTC antihistamines cause drowsiness? Without a prescription.

Besides doxylamine & diphenhydramine, what other OTC antihistamines cause drowsiness? Without a prescription.

Allegra (fexofenadine): All antihistamines especially the first generation ones (benadryl, bromchlorpheniramine, CTM) can cause drowsiness when given in sufficient doses. Zyrtec (cetirizine) at the recommended dose and Loratadine at 2x the recommended dose can cause drowsiness in some people. The least likely AH to cause drowsiness is fexofenadine (Allegra). ...Read more

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Can i take zaditor (ketotifen) with oral antihistamine?

Can i take zaditor (ketotifen) with oral antihistamine?

Yes: Zaditor (ketotifen) eye drop has antihistamine and mast cell stablizing qualities. There is no harm in taking an oral antihistamine at the same time. ...Read more

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Will allergy medicine, like zyrtec, (cetirizine) relive cold symptoms?

Will allergy medicine, like zyrtec, (cetirizine) relive cold symptoms?

Cold symptoms: Are you sure it is a cold not allergies? Zyrtec (cetirizine) will not alleviate cold symptoms. A decongestant containing medication will help. ...Read more

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Bad allergies.Claritin, Zyrtec, chlor tabs, and Benadryl (diphenhydramine) no help.Little relief from allegra. Can't use nasal spray or Saline. Any suggestions?

Bad allergies.Claritin, Zyrtec, chlor tabs, and Benadryl (diphenhydramine) no help.Little relief from allegra. Can't use nasal spray or Saline. Any suggestions?

Keep taking..: The allegra (fexofenadine) regularly, not on as needed basis, and see your doctor, you may need prescription medications. Environmental control is important too, i.e. Avoid triggers of your allergies, cats, dogs, smokers, etc.. Better if you can see an allergist, check aaaai.org or acaai.org for an allergist in your area, good luck ...Read more

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Is zyrtec (cetirizine) more powerful than OTC allergy medicines?

Is zyrtec (cetirizine) more powerful than OTC allergy medicines?

Zyrtec (cetirizine) is OTC: Zyrtec (cetirizine) is otc and is considered a more potent antihistamine than some others. However everyone responds to medication differently. ...Read more

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Is loratadine like benadryl (diphenhydramine)?

Is loratadine like benadryl (diphenhydramine)?

Kinda mostly: Loratadine is a 'non-sedating antihistamine, ' and Diphenhydramine (/benadryl) is a sedating antihistamine (aka: older / h1 & h2 blocker), so yes, they are close cousins in intended effects--just differ in side effects. ...Read more

Dr. Paul Carter
642 doctors shared insights

Antihistamine (Definition)

Sedating and non-sedating antihistamines prevent and treat allergic reactions, and are ...Read more