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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.
- Peginterferon Alfa-2a Injection
- Peginterferon Alfa-2b (PEG-Intron)
- Peginterferon Alfa-2b Injection (Sylatron)
- Peginterferon Beta-1a Injection
- Pegloticase Injection
- Pegvaliase-pqpz Injection
- Pemazyre® see Pemigatinib
- Pembrolizumab Injection
- Pemetrexed Injection
- Pemfexy® see Pemetrexed Injection
- Pemigatinib
- Pen-Vee K® see Penicillin V Potassium
- Penapar-VK® see Penicillin V Potassium
- Penbritin-S® see Ampicillin Injection
- Penbritin® see Ampicillin
- Penbutolol
- Penciclovir Cream
- Penicillamine
- Penicillin G (Potassium, Sodium) Injection
- Penicillin G Benzathine and Penicillin G Procaine Injection
- Penicillin G Benzathine Injection
- Penicillin G Procaine Injection
- Penicillin V Potassium
- Penlac® Nail Lacquer see Ciclopirox Topical
- Pennsaid® see Diclofenac Topical (arthritis pain)
- PenPrep® see Magnesium Citrate
- Pentacarinat® see Pentamidine Injection
- Pentacel® (as a combination product containing Diphtheria, Tetanus Toxoids, Acellular Pertussis, Haemophilus influenzae type b, Polio Vaccine) see Diphtheria, Tetanus, and Pertussis (DTaP) Vaccine
- Pentacel® (as a combination product containing Diphtheria, Tetanus Toxoids, Acellular Pertussis, Haemophilus influenzae type b, Polio Vaccine) see Polio Vaccine
- Pentacel® (as a combination product containing Diphtheria, Tetanus Toxoids, Acellular Pertussis, Haemophilus influenzae type b, Polio Vaccine) see Haemophilus influenzae type b (Hib) Vaccine
- Pentafuside see Enfuvirtide Injection
- Pentam® see Pentamidine Injection
- Pentamidine Injection
- Pentamidine Oral Inhalation
- Pentasa® see Mesalamine
- Pentazine VC® (as a combination product containing Codeine, Phenylephrine, Promethazine) see Codeine
- Pentazine® with Codeine (as a combination product containing Codeine, Promethazine) see Codeine
- Pentazocine
- Pentolair® see Cyclopentolate Ophthalmic
- Pentosan Polysulfate
- Pentostatin Injection
- Pentoxifylline
- Pentoxil® see Pentoxifylline
- Pepaxto® see Melphalan Flufenamide Injection
- Pepcid see Famotidine Injection
- Pepcid® see Famotidine
- Pepcid® AC see Famotidine
- Pepcid® Complete (as a combination product containing Calcium Carbonate, Famotidine, Magnesium Hydroxide) see Famotidine
- Pepcid® RPD see Famotidine
- Pepsodent® see Fluoride
- Peptic Relief® see Bismuth Subsalicylate
- Pepto-Bismol® see Bismuth Subsalicylate
- Pepto® Diarrhea Control see Loperamide
- Peramivir Injection
- Perampanel
- Percocet® (as a combination product containing Acetaminophen, Oxycodone) see Acetaminophen
- Percocet® (as a combination product containing Acetaminophen, Oxycodone) see Oxycodone
- Percodan® (as a combination product containing Aspirin, Oxycodone) see Oxycodone
- Percodan® (as a combination product containing Aspirin, Oxycodone) see Aspirin
- Percolone® see Oxycodone
- Perdiem Fiber® see Psyllium
- Perdiem Overnight Relief® see Senna
- Perdiem® (as a combination product containing Psyllium, Senna) see Psyllium
- Perforomist® see Formoterol Oral Inhalation
- Peri-Colace® (as a combination product containing Docusate, Sennosides) see Senna
- Peri-Colace® (as a combination product containing Docusate, Sennosides) see Stool Softeners
- Periactin® see Cyproheptadine
- Perindopril
- Periostat® see Doxycycline
- Perjeta® see Pertuzumab Injection
- Perloxx® (as a combination product containing Acetaminophen, Oxycodone) see Oxycodone
- Permethrin Topical
- Permitil® see Fluphenazine
- Permole® see Dipyridamole
- Peroderm® see Benzoyl Peroxide Topical
- Peroxi-Care® see Fluoride
- Peroxin A® see Benzoyl Peroxide Topical
- Perphenazine
- Persa-Gel® see Benzoyl Peroxide Topical
- Persantine® see Dipyridamole
- Perseris® see Risperidone Injection
- Pertuzumab Injection
- Pertuzumab, Trastuzumab, and Hyaluronidase-zzxf Injection
- Pertzye® see Pancrelipase
- Pethidine see Meperidine
- Pexeva® see Paroxetine
- Pexidartinib
- PF-07321332 see Nirmatrelvir and Ritonavir
- Pfizerpen A-S® see Penicillin G Procaine Injection
- Pfizerpen® see Ampicillin
- Pfizerpen® see Penicillin G (Potassium, Sodium) Injection
- Pharmagesic® see Acetaminophen, Butalbital, and Caffeine
- Phazyme® see Simethicone
- Phenabid® (as a combination product containing Chlorpheniramine, Phenylephrine) see Phenylephrine
- Phenaphen® with Codeine (#2, #3, #4) see Acetaminophen and Codeine
- Phenazodine® see Phenazopyridine
- Phenazopyridine
- Phencarb GG® (as a combination product containing Carbetapentane, Guaifenesin, Phenylephrine) see Phenylephrine
- Phenelzine
- Phenergan VC® (as a combination product containing Phenylephrine, Promethazine) see Phenylephrine
* 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 ).