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Doctor insights on: Loratadine Antihistamine

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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 husband is always suffering fron rhinitis and always taking loratadine antihistamine almost everyday. is it safe? is there some other med that will cure his rhinitis?

My husband is always suffering fron rhinitis and always taking loratadine antihistamine almost everyday. is it safe? is there some other med that will cure his rhinitis?

Yes, there are other: Allergy sufferer only taking loratadine. Loratadine is probably the least effective oral antihistamine. Try cetirizine or fexofenadine instead. Nasal steroid sprays (Flonase, nasacort) are even more effective than oral antihistamines if used consistently (every day) and with proper technique (point outwards towards ear). See allergist to determine what you are allergic to. ...Read more

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I have noticed that my body is immune to loratadine based antihistamines (doesn't make me tired) but any others do. Does this means tolerance?

I have noticed that my body is immune to loratadine based antihistamines (doesn't make me tired) but any others do. Does this means tolerance?

Non-sedating: Loratadine is considered a non-sedating antihistamine. It is supposed to treat allergic symptoms without making you drowsy. Other older antihistamines like benadryl (diphenhydramine) are very sedating. ...Read more

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Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Can Claritin (loratadine) non-drowsy antihistamine still cause drowsiness?

Yes: Claritin is a second generation antihistamine which causes much less drowsiness than first generation antihistamine, like benadryl (diphenhydramine). The number of people who feel drowsy on Claritin is so low that it is labeled "non-drowsy". But each of us is unique. I have plenty of patients who feel drowsy on claritin, especially petite women. ...Read more

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I was given hydrocortisone cream 1% & loratadine tablets, 10mg/antihistamine. Its been over 1 hour & the hives continue to appear & burn. Concerned?

I was given hydrocortisone cream 1% & loratadine tablets, 10mg/antihistamine. Its been over 1 hour & the hives continue to appear & burn. Concerned?

Hives treatment: It takes about 1 to 3 hours for Claritin (loratadine) to start working. If you still symptomatic and suffer this much, it is safe to take an extra one. Call your doctor if it does not go away later today. ...Read more

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I'm 17 and took 3 loratadine tablets, 10 mg/ Antihistamine in the last 24 hours, are there going to be any issues I should be worried about ?

I'm 17 and took 3 loratadine tablets, 10 mg/ Antihistamine in the last 24 hours, are there going to be any issues I should be worried about ?

Probably not but...: Long acting anti-histamines should not be used more than one in 24 hours. Taking more has been associated with heart issues but that is still unlikely to occur. If you have any chest palpitations you should be evaluated. For future reference, these medications can take 4 - 6 hours to work. If you are still not getting relief you can safely add a short acting anti-histamine (Benadryl). ...Read more