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Doctor insights on: Topical Antihistamine Brands

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2 days of hive outbreak has gotten worse - unsure what caused it but this is not the 1st time. Been taking off-brand antihistamine to no effect. Help!

2 days of hive outbreak has gotten worse - unsure what caused it but this is not the 1st time. Been taking off-brand antihistamine to no effect. Help!

See a dermatologist: May be allergy. Maybe not. Zyrtec (cetirizine) (cetirazine) OTC 10mg. May need 2 or 3. Larger dose can make you sleepy. If severe, add prescription hydroxyzine 25mg at bedtime. If present over 6 weeks it is chronic urticaria which is usually not allergy. Avoid aspirin, alcohol. Beware of any and all pills or meds of any kind. Need precise diagnosis for best result. ...Read more

Dr. Paul Carter
601 doctors shared insights

Antihistamine (Definition)

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


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When do I need to take and oral antihistamine for itching as opposed to a topical cream?

When do I need to take and oral antihistamine for itching as opposed to a topical cream?

Itchy Skin: When the area of itch is too significant for a small amount of cream to cover. And there is nothing wrong with doing both. Itching can be an internal issue or an external issue. Antihistamines help to drastically reduce itch and are longer lasting, depending on the topical cream/ointment used. ...Read more

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I started to use Chloropyramine topical cream for releiving the itching from contact dermatitis on chest. is it good antihistamine cream for it?

I started to use Chloropyramine topical cream for releiving the itching from contact dermatitis on chest. is it good antihistamine cream for it?

Oral is better: It is not uncommon for topical application of antihistamines to cause sensitization reactions and to develop allergy to the antihistamine. A batter choice is to use the antihistamine orally and to apply calamine lotion to the area, If it is a true contact dermatitis the only effective way to eliminate the rash is with topical steroids. ...Read more

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What exactly the name, dose, regimen of topical corticosteroid and antihistamine that is used in lichen planus treatment? Patient aged 6 years

What exactly the name, dose, regimen of topical corticosteroid and antihistamine that is used in lichen planus treatment? Patient aged 6 years

See a doctor. : Most cases of lichen planus are relatively mild. Affected individuals who do not have symptoms do not need treatment. If the itch or appearance of the rash are unpleasant, topical corticosteroid creams may be applied. In some cases for localized, itchy, thick lesions, injections of corticosteroids may be given. You need to see a doctor for proper diagnosis and treatment. ...Read more

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How fast would a rash subside when using: antibiotics, cortisone, antihistamines and topical creams at the same time? Any chance it would do nothing?

Rash: It all depends on the cause of the rash. If it is an allergic rash for something topical like soap for instance then topical cortisone cream would be a good option for itching and redness. Antihistamines would help redness and swelling for an allergy rash. Antibiotic ointment help for topical bacterial infections. If you are having shingles (herpes zoster) none of these will help. ...Read more

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My ent instructions is to take antihistamine everyday .allegra Zyrtec and Claritin expensive .is the equate brand from Walmart just as strong ?

My ent instructions is to take antihistamine everyday .allegra Zyrtec and Claritin expensive .is the equate brand from Walmart just as strong ?

Likely: Generic antihistamine works just as well as the brand ones. Just look for the chemical name. Be sure that you are aiming your Flonase towards the side walls of your nose and not straight ahead also. ...Read more

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Raised lumps and extreme itching burning rash on limbs, antihistamine give some relief doc doc changed the brand of my meds. What to do now?

Raised lumps and extreme itching burning rash on limbs, antihistamine give some relief doc doc changed the brand of my meds. What to do now?

Sounds like...: Sounds like the assumption is that you're having an allergic reaction to your meds. If so, stopping it should be enough. Can take a while for your body to clear though. Continue anti-histamine. Avoid getting overheated (exertion or hot bath/shower). Can add topical steroid cream. See doctor if not better 7-10 days after change in meds. ...Read more