Brand Name Chemical Name Pamelor nortriptyline hydrochloride Parlodel bromocriptine mesylate Patanol olopatadine Paxil paroxetine hydrochloride Penicillin VK phenoxymethylpenicillin potassium Penlac ciclopirox Pepcid famotidine Persantine dipyridamole Phenergan promethazine Piascledine piascledine Plaquenil hydroxychloroquine sulfate Plavix clopidogrel Plendil felodipine Pletal cilostazol Ponstel mefenamic acid Prandin repaglinide Pravachol pravastatin Precose acarbose Pred Forte prednisolone acetate Prednisone prednisone Premarin conjugated estrogens Prempro conjugated estrogens+medroxyprogesterone acetate Prevacid lansoprazole Prilosec omeprazole Prinivil lisinopril Prinizide lisinopril & hydrochlorothiazide Pristiq desvenlafaxine Prometrium progesterone Propecia finasteride Propulsid cisapride Proscar finasteride Prothiaden dothiepin Protonix pantoprazole Protopic tacrolimus Provera medroxyprogesterone acetate Prozac fluoxetine hydrochloride Pulmicort budesonide Purinethol mercaptopurine