Generic Pamelor is in a group of drugs called tricyclic antidepressants. It is used for treating depression.

Generic Parafon is used for treating pain caused by muscle spasms.

Generic Parlodel is used for treating Parkinson disease, certain conditions caused by too much prolactin in the blood (eg, excessive or abnormal breast milk production), certain menstrual problems or abnormally large growth of certain body parts (acromegaly).

Generic Paxil is used for treating depression or obsessive-compulsive disorder (OCD). It may be used to treat panic disorder, posttraumatic stress disorder (PTSD), generalized anxiety disorder or social anxiety disorder.

Generic Paxil Extended-Release is used for treating depression, panic disorder, or social anxiety disorder. It may also be used to treat premenstrual dysphoric disorder (PMDD), a severe form of premenstrual syndrome.

Generic Pepcid is used for treating and preventing ulcers; treating and preventing heartburn associated with acid indigestion and sour stomach. It is also used to treat gastroesophageal reflux disease (GERD), conditions that cause increased acid secretion and esophagitis.

Generic Periactin is used to treat sneezing, runny nose, itching, watery eyes, hives, rashes, and other symptoms of allergies and the common cold.

Generic Persantine is used for preventing blood clots after heart valve surgery. It is used in combination with anticoagulants (eg, warfarin).

Generic PhosLo is used for reducing phosphate levels in late-stage kidney failure.

Generic Plan B is used for preventing pregnancy after unprotected sexual intercourse or suspected birth control failure.

Generic Plavix is used for reducing the risk of stroke or heart attack in patients who have already had a heart attack or stroke or have other circulatory problems due to narrowing and hardening of the arteries.

Generic Plendil is used for treating high blood pressure, alone or with other medications.

Generic Pletal is used for reducing attacks of intermittent claudication (pain, cramping, numbness, or weakness in the foot, hip, thigh, or buttocks) that may occur after walking.

Generic Ponstel is in a group of drugs called nonsteroidal anti-inflammatory drugs (NSAIDs). It is used to treat pain or inflammation caused by arthritis. It is also used to treat menstrual pain.

Generic Prandin is used for managing type 2 (non-insulin-dependent) diabetes. It is used in addition to diet and exercise to lower blood sugar in adults who cannot manage with diet, exercise, or diabetic medications alone. It may be used with other diabetes medicines.

Generic Pravachol is used lowering high cholesterol and triglycerides in certain patients. It also increases high-density lipoprotein (HDL, "good") cholesterol levels. It is used along with an appropriate diet. It is also used in certain patients to reduce the risk of heart attack, stroke and death due to coronary heart disease; to slow blood vessel blockage and to reduce the need for medical procedures to open blocked blood vessels. Generic Pravachol is an HMG-CoA reductase inhibitor, also known as a "statin." It works by reducing the production of certain fatty substances in the body, including cholesterol.

Generic Precose is used for treating type 2 diabetes in adults whose diabetes cannot be managed with diet alone. This medicine may be used alone, in combination with other oral diabetes medicines or with insulin.

Generic Premarin is used for treating certain symptoms of menopause (eg, hot flashes, vaginal dryness or itching). It is used to prevent osteoporosis (weak bones) after menopause in certain patients. It is also used in certain patients to treat low estrogen levels, prostate cancer or breast cancer.

Generic Prevacid decreases the amount of acid produced in the stomach. It is used to treat and prevent stomach and intestinal ulcers, erosive esophagitis (damage to the esophagus from stomach acid) and other conditions involving excessive stomach acid such as Zollinger-Ellison syndrome.

Generic Prilosec is used for treating heartburn or irritation of the esophagus caused by gastroesophageal reflux disease (GERD). It may also be used for short-term treatment of ulcers of the stomach or small intestines and to help prevent them from coming back; to treat conditions that cause your body to make too much stomach acid (eg, Zollinger-Ellison syndrome).

Generic Principen is an antibiotic in the penicillin group of drugs. It is used to treat many different types of infections caused by bacteria, such as ear infections, bladder infections, pneumonia, gonorrhea, and E. coli or salmonella infection.

Generic Pro-Banthine is used for treating stomach ulcers in combination with other medicines.

Generic Probalan is used in the treatment of chronic gout or gouty arthritis. These conditions are caused by too much uric acid in the blood. The medicine works by removing the extra uric acid from the body.

Generic Prograf is used for preventing organ rejection in patients following liver, kidney or heart transplant. It may be used along with other medicines.

Generic Propecia is used to treat symptoms of benign prostatic hyperplasia (BPH) in men with an enlarged prostate. It is also used for treating certain types of male pattern hair loss (androgenic alopecia) in men.

Generic Proscar is used for treating urinary problems caused by an enlarged prostate gland (benign prostatic hyperplasia, BPH). It is also used to lower the risk of needing surgery to treat BPH. It may be used with another medicine (doxazosin) to lower the risk of worsening BPH.

Generic Protonix is used to treat erosive esophagitis (damage to the esophagus from stomach acid), and other conditions involving excess stomach acid such as Zollinger-Ellison syndrome.

Generic Pyridium is used for relieving pain, burning, urgency, frequent urination, and discomfort caused by irritation of the lower urinary tract.