Doctor insights on:
Can I use anti histamine Fenistil gel (Dimethindene Maleate) for a bite while I'm in very early pregnancy?
No major risk: Most antihistamines are considered safe for pregnancy (Category B) nowadays although I am not familiar with the product you are using. I do not expect any measurable absorption from the topical application of an antihistamine on the skin and thus it would be extremely unlikely that even if a trace of it gets to the fetus. A hydrocortisone cream would work better on an itchy insect bite. ...Read more
Is it bad to take an antihistamine during a cold, i.e. does suppressing mucus make the cold last longer?
No value: Antihistamines have no value in the treatment of viral illnesses. ...Read more
Older ones do: First generation antihistamines (benadryl, clor-pheramine, atarax) cross the blood brain barrier and cause lethargy. Second generation (allegra, claritin, zyrtec, xyzal, (levocetirizine) clarinex) cause the blood brain barrier at a much lesser amount and more targeted to the h1 receptor. ...Read more