A few: Antihistamines have been around for many years & many that used to be prescription are now available over-the-counter. A few antihistamines are still prescription, including some first-generation (sedating) medicines like periactin or palgic as well as second-generation (less-sedating) medicines like xyzal (levocetirizine) and clarinex.
Answered 8/4/2015
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Yes: There are both sedating and non-sedating antihistamines that require a prescription. Some insurance companies will not pay for the prescription drugs Clarinex or xyzal, (levocetirizine) which are the slightly changed versions of Claritin and zyrtec, unless your physician requests "prior authorization".
Answered 6/24/2014
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