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Drugs: P
Learn about your prescription drugs and over-the-counter medicines. Includes side effects, dosage, special precautions, and more.
For FDA approved labels included in drug packages, see DailyMed.
- Phenergan® see Promethazine
- Phenergan® VC with Codeine (as a combination product containing Codeine, Phenylephrine, Promethazine) see Codeine
- Phenergan® with Codeine (as a combination product containing Codeine, Promethazine) see Codeine
- Phenobarbital
- Phenoxybenzamine
- Phentermine
- Phentermine and Topiramate
- Phenylalanine mustard see Melphalan Injection
- Phenylalanine mustard see Melphalan Flufenamide Injection
- Phenylalanine mustard see Melphalan
- Phenylephrine
- Phenylephrine Nasal Spray
- Phenytek® see Phenytoin
- Phenytoin
- Phenytoin Injection
- Phesgo® see Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf Injection
- Phexxi® see Lactic Acid, Citric Acid, and Potassium Bitartrate Vaginal Contraceptive
- Phillips' Liqui-Gels® see Stool Softeners
- PhosLo® see Calcium Acetate
- Phoslyra® see Calcium Acetate
- Phrenilin® with Caffeine and Codeine (as a combination product containing Acetaminophen, Butalbital, Caffeine, Codeine) see Acetaminophen, Butalbital, and Caffeine
- Phrenilin® with Caffeine, Codeine (as a combination product containing Acetaminophen, Butalbital, Caffeine, Codeine) see Acetaminophen and Codeine
- Phyllocontin® Tablets see Aminophylline
- Phytonadione
- Picato® see Ingenol Mebutate Topical
- Pifeltro® see Doravirine
- Pilocarpine
- Pilocarpine Ophthalmic
- Pilopine® HS see Pilocarpine Ophthalmic
- Pimavanserin
- Pimecrolimus Topical
- Pimozide
- Pin-X® see Pyrantel
- Pindolol
- Pink Bismuth® see Bismuth Subsalicylate
- Pioglitazone
- Piperacillin and Tazobactam Injection
- Piqray® see Alpelisib
- Pirbuterol Acetate Oral Inhalation
- Pirfenidone
- Piroxicam
- Pirtobrutinib
- Pitavastatin
- Pitocin® see Oxytocin Injection
- Pitolisant
- Plan B® One-Step see Levonorgestrel
- Plaquenil® see Hydroxychloroquine
- Platinol-AQ® see Cisplatin Injection
- Platinol® see Cisplatin Injection
- Plavix® see Clopidogrel
- Plazomicin Injection
- Plecanatide
- Plegridy® see Peginterferon Beta-1a Injection
- Plendil® see Felodipine
- Plenvu® see Polyethylene glycol-electrolyte solution (PEG-ES)
- Plerixafor Injection
- Pletal® see Cilostazol
- Pluratuss® (as a combination product containing Brompheniramine, Codeine, Phenylephrine) see Brompheniramine
- Pluvicto® see Lutetium Lu 177 Vipivotide Tetraxetan Injection
- PMB® (as a combination product containing Conjugated Estrogens, Meprobamate) see Meprobamate
- PMB® (as a combination product containing Conjugated Estrogens, Meprobamate) see Estrogen
- Pneumococcal Conjugate Vaccine
- Pneumococcal Polysaccharide Vaccine
- Pneumovax® 23 see Pneumococcal Polysaccharide Vaccine
- Polaramine® see Chlorpheniramine
- Polaramine® Expectorant (as a combination product containing Dexchlorpheniramine Maleate, Guaifenesin, and Pseudoephedrine Sulfate) see Chlorpheniramine
- Polaramine® Repetabs® see Chlorpheniramine
- Polaramine® Syrup see Chlorpheniramine
- Polatuzumab vedotin-piiq Injection
- Polibar ACB® see Barium Sulfate
- Polio Vaccine
- Polivy® see Polatuzumab vedotin-piiq Injection
- Poly Hist DHC® (as a combination product containing Dihydrocodeine, Phenylephrine, Pyrilamine) see Phenylephrine
- Poly Hist DM® (as a combination product containing Dextromethorphan, Phenylephrine, Pyrilamine) see Phenylephrine
- Poly Hist PD® (as a combination product containing Chlorpheniramine, Phenylephrine, Pyrilamine) see Phenylephrine
- Poly-Pred® (as a combination product containing Neomycin, Polymyxin B, Prednisolone) see Prednisolone Ophthalmic
- Poly-Tussin AC® (as a combination product containing Brompheniramine, Codeine, Phenylephrine) see Codeine
- Poly-Tussin AC® (as a combination product containing Brompheniramine, Codeine, Phenylephrine) see Phenylephrine
- Poly-Tussin DM® (as a combination product containing Chlorpheniramine, Dextromethorphan, Phenylephrine) see Phenylephrine
- Poly-Tussin EX® (as a combination product containing Dihydrocodeine, Guaifenesin, Phenylephrine) see Phenylephrine
- Poly-Tussin® AC (as a combination product containing Brompheniramine, Codeine, Phenylephrine) see Brompheniramine
- Polycillin-N® see Ampicillin Injection
- Polycillin® see Ampicillin
- Polyethylene Glycol 3350
- Polyethylene glycol-electrolyte solution (PEG-ES)
- Polygesic® (as a combination product containing Acetaminophen, Hydrocodone) see Hydrocodone Combination Products
- Polymox® Suspension see Amoxicillin
- Polymyxin B and Trimethoprim Ophthalmic
- Polymyxin E see Colistimethate Injection
- Polysporin® (as a combination product containing Bacitracin Zinc, Polymyxin B Sulfates) see Bacitracin Ophthalmic
- Polytan D® (as a combination product containing Dexbrompheniramine, Phenylephrine) see Phenylephrine
- Polytan DM® (as a combination product containing Dexbrompheniramine, Dextromethorphan, Phenylephrine, Pyrilamine) see Phenylephrine
- Polytrim® see Polymyxin B and Trimethoprim Ophthalmic
- Polyvent® (as a combination product containing Guaifenesin, Pseudoephedrine) see Pseudoephedrine
- Pomalidomide
- Pomalyst® see Pomalidomide
- Ponatinib
- Ponesimod
- Ponstel® see Mefenamic Acid
- Ponvory® see Ponesimod
* This branded product is no longer on the market. Generic alternatives may be available.
** These products are not currently approved by the FDA for safety, effectiveness, and quality. Federal law generally requires that prescription drugs in the U.S. be shown to be both safe and effective prior to marketing. Please see the FDA website for more information on unapproved drugs (http://www.fda.gov/AboutFDA/Transparency/Basics/ucm213030.htm ) and the approval process (http://www.fda.gov/Drugs/ResourcesForYou/Consumers/ucm054420.htm ).