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Doctor insights on: Antihistamines Claritin

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If a red, itchy rash with no contact triggers improves with antihistamines (claritin (loratadine) or low dose doxepin) does that mean it is probably eczema?

If a red, itchy rash with no contact triggers improves with antihistamines (claritin (loratadine) or low dose doxepin) does that mean it is probably eczema?

Itchy rash: Antihistamines control the itch, whether it is eczema or not, the mechanism of itching is common to a number of rashes and antihistamines only help with the end result but not with the cause. To have a proper diagnosis, you need to have yourself evaluated by a dermatologist or allergist. ...Read more

Benadryl (Definition)

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


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My wife has graves disease (well controlled) and seasonal allergies. Does her condition preclude the use of antihistamines? Claritin (loratadine) 't enough.

My wife has graves disease (well controlled) and seasonal allergies. Does her condition preclude the use of antihistamines? Claritin (loratadine) 't enough.

No, it doesn't: If the graves disease is well controlled (an autoimmune thyroid disorder), then treatment of other conditions such as allergies is not a problem. Perhaps, i would avoid decongestants such as pseudo Ephedrine that are often added to the antihistamine, because it cause rapid pulse, palpitations. If Claritin (loratadine) not helpful, worth trying others, such as zyrtec, allegra, allerest, (but not with the 'd'). ...Read more

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How much antihistamine does Claritin (loratadine) have in it?

How much antihistamine does Claritin (loratadine) have in it?

Claritin (loratadine): Hello, the adult dose of Claritin (loratadine) is 10 mg. There is also filler advent added to the tablet but the mg of Loratadine (claritin) is 10. ...Read more

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Is it bad to take antihistamine and Claritin (loratadine) same day ?

Is it bad to take antihistamine and Claritin (loratadine) same day ?

Maybe: Claratin is an antihistamine. Do not take two antihistamines without the advice of a physician. ...Read more

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I see there is no way to cure eczema, but how much do antihistamines like claritin, (loratadine) clarinex, or zyrtec help prevent eczema?

Eczema - cure: Eczema can go away if it is caused by something like a food or chemical but it requires a thorough investigation by a allergist or dermatologist. Some hereditary forms cannot be cured but only controlled by medications. Antihistamines help to reduce itching but cannot cure this condition. ...Read more

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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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How many weeks does it take for claritin (loratadine) 10mg to work? How long should I give it a try before deciding to switch to a different antihistamine?

A few hours: Claritin (loratadine) should start working within a couple of hours. If it doesn't not help at all, then switching to another won't do you much good. If it does help somewhat, then you may try the other alternatives which may possess more antihistamine effect than Claritin (loratadine). ...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


Dr. Ashraf Abdel Azeem
506 doctors shared insights

Claritin (Definition)

Claritin is a non-sedating antihistamine which is a kind of antihistamine type drug (common ...Read more