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Doctor insights on: Antihistamine Itchy

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Can oral antihistamines stop the itchiness from allergies?

Can oral antihistamines stop the itchiness from allergies?

Antihistamine: It may help depending on which type of allergic reactions you get and which organ systems are affected. Can you be more specific? ...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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My right eye has swollen up red, rims of eyes are itchy. Antihistamine tablets working slowly but I have rough crystallised skin under and side eye?

My right eye has swollen up red, rims of eyes are itchy.  Antihistamine tablets working slowly but I have rough crystallised skin under and side eye?

Allergy: This appears to be an allergic reaction to something that comes in contact with your eye area(? eye glasses, cosmetics, hair spray). Don't apply any cortisone type cream as only special prescription ophthalmic preparations should be used in those areas in case the cream leaks into the eye. It may be best for you to consult an ophthalmologist for diagnosis and treatment. ...Read more

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Which third generation antihistamine is best for itchy flaky scalp and skin levocetirizine , desloratadine or fexofenadine ?

Which third generation antihistamine is best for itchy flaky scalp and skin levocetirizine , desloratadine or fexofenadine ?

None of them!: Good morning, itchy scalp is due to irritation to the nerves of skin of the scalp. There is a nerve signal going from the scalp to the brain telling that there is something not right on the scalp. Correcting the local condition of the scalp such as dryness, scaling, seborrhea, bacterial or fungal overgrowth, and skin flaking condition will relieve the itch. Antihistamines are not useful for this. ...Read more

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Getting a lot of itchiness of the whole body. Wha'ts the strongest antihistamine and cream to apply?

Getting a lot of itchiness of the whole body. Wha'ts the strongest antihistamine and cream to apply?

Rather oral: antihistamine if you've got whole body itching unless there are contraindications, which are few, and if the symptoms are really bothersome, better go to ER or urgent care ...Read more

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Itchy skin. Shower does not help, only antihistamine. Tried removing various items from my diet. Happens at anytime of the day.

Itchy skin. Shower does not help, only antihistamine. Tried removing various items from my diet. Happens at anytime of the day.

Not uncommon: Itchiness without rash is fairly common, and when it responds well to a single daily dose of antihistamine, such as otc Cetirizine 10mg, there isn't anything so far out of whack that we would be able to find anything wrong. If taking Cetirizine daily doesn't work, or if you develop a rash that accompanies the itching, see an allergist. Some people need to take Cetirizine for a long time; that's ok. ...Read more

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When i take antihistamine pills for hives, i get more itchy right after taking the pills before they kick in a few hrs later. am i allergic to pills?

When i take antihistamine pills for hives, i get more itchy right after taking the pills before they kick in a few hrs later. am i allergic to pills?

Be specific: You fail to indicate WHICH antihistamine. All antihistamines need time to see effect. Some are more effective than others. What type of hives, what specific trigger? Allergy to antihistamine is possible but not likely. Vague itching soon after a dose is not a good reason to suspect allergy. ...Read more

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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. ...Read more