Diphenhydramine is an antihistamine used to relieve symptoms of allergy, hay fever and the common cold. These symptoms include rash, itching, watery eyes, itchy eyes/nose/throat, cough, runny nose and sneezing. It is also used to prevent and treat nausea, vomiting and dizziness caused by motion sickness. Diphenhydramine can also be used to help you relax and fall asleep.

This medication works by blocking a certain natural substance (histamine) that your body makes during an allergic reaction. Its drying effects on such symptoms as watery eyes and runny nose are caused by blocking another natural substance made by your body (acetylcholine).

Source: http://www.webmd.com/drugs/drug-7297-Q-Dryl+Oral.aspx?drugid=7297&drugname=Q-Dryl+Oral&source=0

Q-dryl Discussions

  1. link Buckink
    does q-dryl have cornstarch in it?
    what are the inactive ingredients in q-dryl?
    Buckink- over a year ago - in Q-Dryl
  2. link Gharvey
    taking q-dryl on empty stomach
    I took it first thing this morning and it made me very nervous, with shaking, 5 hours later, I still don't feel back to normal.
    Gharvey- over a year ago - in Q-Dryl
  3. link Janet2007
    dosage for a baby of 1 year
    can i give q-dryl to a baby of 1 year 1 month
    Janet2007- over a year ago - in Q-Dryl
  4. link Dinah1
    inactive ingreients
    The glycerin in Q-dryl is it made from pork or beef.
    Dinah1- over a year ago - in Q-Dryl
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