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Doctor insights on: Antihistamine For Rash

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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.

Dr. John Chiu
2,641 Doctors shared insights

Skin Rash (Definition)

A skin rash is a symptom in which a person has changes on part or all of his skin, such as color changes, bumps, blisters, oozing, peeling, ...Read more


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Which antihistamine for a rash?

Which antihistamine for a rash?

It depends on what: The rash is. If you have hives or an itchy rash - Benadryl (diphenhydramine) may be helpful.

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Can a 6week old baby take antihistamines for a facial rash that appeared after putting some cream on?

Can a 6week old baby take antihistamines for a facial rash that appeared after putting some cream on?

No: Antihistamines are generally not recommended for infants. Please see your GP for an examination and treatment. In the meantime please keep moisturising the skin with simple fatty cream

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Itch all over no rash. Antihistamines and creams no effect. Bloods clear for kid, lib, thyroid. Soap free shower. Scratching. Gbs '09 I had this too?

Itch all over no rash. Antihistamines and creams no effect. Bloods clear for kid, lib, thyroid. Soap free shower. Scratching. Gbs '09 I had this too?

Many possibilities: To help you some additional questions to answer: 1) any travel to outside of us or snorkeling/scuba activity? Some parasites, infections can manifest this way. 2) understand no soap being used - but chemicals are everywhere. Anything new that you are being exposed to? 3) sexually active? Pregnancy, std can cause these symptoms as well 4) psychological factors? Anxiety, depression, ocd, etc.

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Suddenly itching without rashes, after wearing new shirt. Took antihistamine but still feel the same. Severe at night cannot sleep. 2 days already.

Suddenly itching without rashes, after wearing new shirt. Took antihistamine but still feel the same. Severe at night cannot sleep. 2 days already.

Get checked: If you have already tried Benadryl (diphenhydramine) your doctor can prescribe stronger medicines depending on what you have. Good luck and avoid the new shirt as you may have developed an allergy to it.

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I develop rashes yesterday till now it covers half of my body& just recently found out I had lump on my nape? I took antihistamine thought it's allergy

I develop rashes yesterday till now it covers half of my body& just recently found out I had lump on my nape? I took antihistamine thought it's allergy

See details: See your primary care doctor or a dermatologist if the rash persists. The diagnostic possibilities are almost endless.

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Since 10 days, I am itching all over without any rashes. But when I scratch my skin gets damaged and red. Antihistamines only short term help no cure.

Since 10 days, I am itching all over without any rashes. But when I scratch my skin gets damaged and red. Antihistamines only short term help no cure.

Itching: Try Amlactin lotion and aveeno oatmeal bath in case dry skinbut follow up with doctor/urgent care this weekend. May be allergy to latex or other environmental/food issue. May need allergy referral

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My 1 year-old was diagnosed w chicken pox. Its been >1mth now n new rashes r growing. Y? Shudnt it resolve in 3 wks? Can antihistamine b given for itch?

My 1 year-old was diagnosed w chicken pox. Its been >1mth now n new rashes r growing. Y? Shudnt it resolve in 3 wks? Can antihistamine b given for itch?

I'm concerned.: There are three possibilities. (1) it's not chicken pox. (2) it's chicken pox but your child's immune system isn't working correctly due to a congenital immune defect. (3) it was chicken pox (aka varicella) but there is a secondary infection. The most severe of these are caused by the same streptococcus ("strep") that causes sore throats. See your doctor.

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What is the best antihistamine for polymorphous light eruption?

What is the best antihistamine for polymorphous light eruption?

PMLE: If your pmle is severe, your dermatologist may recomend one of the following: short course of oral steroids e.g. To cover a summer holiday. Polypodium leucotomas (heliocare™) beta carotene. Hydroxychloroquine. Uvb or puva - a special form of ultraviolet treatment for several weeks in early spring. Antihistamines: oral antihistamines like Diphenhydramine (bendaryl®) have been used to treat hives an.

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Systemic rash onset 3days ago, most body parts swollen sometimes even painful, antihistamine for 2days& not improved, no prev history or sth suspicious

Systemic rash onset 3days ago, most body parts swollen sometimes even painful, antihistamine for 2days& not improved, no prev history or sth suspicious

Several questions?: Is it related to foods or medications? Is it the first time? Did you have any difficulty in breathing? At any rate, you need to see your doctor as you may well need another medication and possibly low potency steroids for a short period, good luck

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A small neck rash a few days prior to getting a full body rash very quickly. Appears in a.M. Before foods or meds. Clears fast with no antihistamine?

A small neck rash a few days prior to getting a full body rash very quickly. Appears in a.M. Before foods or meds. Clears fast with no antihistamine?

Urticaria: Urticaria refers to a group of disorders affecting adults and children, in which red patches and weals occur in the skin. A wheel is a swelling of the surface skin. The skin swelling seen in urticaria is due to the release of chemicals such as histamine from mast cells in the skin which causes small blood vessels to leak. Treatment is with antihistamine or avoidance of the causative agent.

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I'm allergic to cold. Every time I swim, my whole body would appear reddish rash. How do I resist the rash? Can I take an antihistamine before swimmg?

Be cautious: It sounds like you may have cold urticaria. Antihistamines may help but be cautious because severe cold reactions may not be limited to skin rashes. Check with your dermatologist.

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How long does it take for antihistamines to work on your itchy rash?

How long does it take for antihistamines to work on your itchy rash?

IF they work. Fast.: Oral and especially topical antihistamines may have a slight- if any- effect on itching and will be noticeable quite soon after use.

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I've had chronic itch with no rash all over my body for quite some time. It responds very well to antihistamines. What could be the cause?

I've had chronic itch with no rash all over my body for quite some time. It responds very well to antihistamines. What could be the cause?

Itching: Chronic itching can have serval causes. From internal diseases to medications to allergies. Sometimes a condition called dermographism (which is excess histamine) will cause intense itching but will respond to antihistamines.

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Itching/welts/rash everyday if I don't take antihistamines, has been happening for over 2 years, what could b wrong? Itching occurs everywhere

Itching/welts/rash everyday if I don't take antihistamines, has been happening for over 2 years, what could b wrong? Itching occurs everywhere

Chronic urticaria: You likely have CU about 30-40% of which are thought to be from an autoimmune cause. IN the absence of throat swelling and given your response to antihistamine, this is more a quality of life than a health issue. An allergy consult may be beneficial.

Dr. Cornelia Franz
1,059 Doctors shared insights

Rash (Definition)

A rash is a change to skin condition which can affect color, appearance, or texture. It may or may not ...Read more


Dr. Paul Carter
634 Doctors shared insights

Antihistamine (Definition)

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