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Doctor insights on: Over The Counter Antihistamines For Hives

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Dr. Louis Gallia
3 doctors shared insights

Hives (Definition)

An outbreak of red bumps or wheals that appear quickly after exposure to certain allergens (foods, medications, other substances). They can vary in size, are itchy, can burn, and can last for up to ...Read more


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Will over-the-counter antihistamines like Benadryl (diphenhydramine) have any bad interactions with ssris like zoloft?

Will over-the-counter antihistamines like Benadryl (diphenhydramine) have any bad interactions with ssris like zoloft?

Generally no: Second generation antihistamines such as allegra, zyrtec and Claritin are non sedating and do not interact with ssris. Benadryl (diphenhydramine) is sedating and may increase the sedation of ssris. ...Read more

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I have welts on my neck after resting my head on a wool pillow. My upper lip is also swollen. I am taking over-the-counter antihistamines.?

I have welts on my neck after resting my head on a wool pillow. My upper lip is also swollen. I am taking over-the-counter antihistamines.?

Allergy?: Could be an allergy to wool, especially if antihistamines are helping. But hives and swelling could be due to a variety of things including food allergy, medication alley, insect sting, viral infection, or exposure related allergy like the wool. If not improving in a few days see doc ...Read more

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Can I take over-the-counter antihistamine for rash?

Can I take over-the-counter antihistamine for rash?

Yes: Over the counter antihistamines can sometimes alleviate the itching associated with various rashes. However, these medicines do not establish a diagnosis--i would recommend having a doctor look at the rash. ...Read more

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I was prescribed some antihistamines and over-the-counter decongestants.. is it serious?

I was prescribed some antihistamines and over-the-counter decongestants.. is it serious?

Need More Info: It is probably not serious, but you cannot determine the seriousness of a disease just by knowing the recommended medications. I do not usually give my patients decongestants for long term use due to side effects like insomnia, agitation, elevated blood pressure, and heart rate. They are ok for short term use or when you are sick for a few days. ...Read more

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Is there an over-the-counter antihistamine medication available to treat poison oak?

Is there an over-the-counter antihistamine medication available to treat poison oak?

Steroids needed: If you have a significant case of poison oak, antihistamines are unlikely to faze the itching. You probably need oral steroids. You can certainly try oral antihistamines and topical steroids like cortisone 10, but these rarely control the severe itch of even a moderate case. Better see your doctor for stronger stuff. Most cases last about 3 weeks. ...Read more

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I currently have a wheat allergy. I was tested for celiac, and it was inconclusive. Is there an over the counter antihistamine i could try?

I currently have a wheat allergy. I was tested for celiac, and it was  inconclusive. Is there an over the counter antihistamine i could try?

Hard to say: Wheat is composed of a complex group of proteins and many have selective responses to various components.If you have a simple IgG reaction, it may be of minor importance.If you have TTG-IgA to components of wheat like the gliadin or gluten, your past avoidance of wheat may have made testing unreliable.Continues intake could aggravate issues that antihistamines would not prevent. ...Read more

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What is the best allergy treatment for eyes I mean the best eye drops for allergy. Not over-the-counter drugs. Oral antihistamine alone not helping.

What is the best allergy treatment for eyes I mean the best eye drops for allergy. Not over-the-counter drugs. Oral antihistamine alone not helping.

Patanol (olopatadine): I prefer patanol (olopatadine) drops. There are others which are similar. The important thing is to wash your face with a cool wash cloth before applying to remove any lingering allergens from your facial skin and around your eyes. This helps my patients a great deal. If you're not better with drops see an allergist for testing, you may want to consider allergy shots. ...Read more

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I have sever hives which continued over 3 weeks so far. What might be the cause(s)? Would telfast or aerius antihistamine meds. Work? Which one better

I have sever hives which continued over 3 weeks so far. What might be the cause(s)? Would telfast or aerius antihistamine meds. Work? Which one better

Hives.: Books are written discussing the many causes of hives. The most common cause would be a reaction to a new medication or food. It is often very hard to find the precise cause without doing an elimination diet and or stopping the inciting medication. Hives can also be caused by viruses, airborne allergies, cold, heat, friction and internal disease. ...Read more

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When should I stop taking ranitidine and an antihistamine when my hives are gone?

When should I stop taking ranitidine and an antihistamine when my hives are gone?

Ask your doctor: Typically antihistamines including h2 anti- histamines such as ranitidine are gradually tapered off after roughly a week of being hive free. It is best to consult with your prescribing physician first, since every case of hives can be different. ...Read more

Benadryl (Definition)

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


Dr. Paul Carter
626 doctors shared insights

Antihistamine (Definition)

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