Taking an antihistamine like Benadryl (diphenhydramine ... The strongest over-the-counter itch pills included Xyzal (levocetirizine), but more research is needed. While many products are available ...

Though a typical Benadryl pill is 25 mg, you should only give your ... is a common over-the-counter medication that helps relieve itching, swelling, and other allergy symptoms.