Diphenhydramine and magnesium salicylate and Prefrin Liquifilm

• Generic Name: diphenhydramine / magnesium salicylate
• Dosage Forms: n.a.
• Other Brand Names: Doans PM

Diphenhydramine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose.

Magnesium salicylate is a nonsteroidal anti-inflammatory drug (NSAID) in a group of drugs called salicylates (sa-LIS-il-ates). This medicine works by reducing substances in the body that cause pain, fever, and inflammation.

Diphenhydramine and magnesium salicylate is a combination medicine used to treat back pain that keeps you awake during your normal sleeping hours.

This medicine may also be used for purposes not listed in this medication guide.

• Generic Name: phenylephrine ophthalmic
• Dosage Forms: n.a.
• Other Brand Names: AK-Dilate, Altafrin, Mydfrin, Neofrin, Relief, Isopto Frin, AK-Nefrin, Neo-Synephrine Ophthalmic, Phenoptic, Prefrin, Ocu-Phrin

Ophthalmic phenylephrine in strengths of 2.5 and 10% is used to dilate (enlarge) the pupil. It is used before eye examinations, before and after eye surgery, and to treat certain eye conditions. In the U.S., these preparations are available only with your doctor's prescription.