| Name | Aliases |
|---|---|
| Protopic Ointment (Tacrolimus) | Protopic |
| Proventil (Albuterol (Salbutamol Sulfate)) | Ventolin |
| Proventil-HFA (Albuterol (Salbutamol Sulfate)) | ProAir HFA, Ventolin Evohaler, Ventolin HFA |
| Provera (Medroxyprogesterone Acetate) | |
| Provigil (Modafinil) | |
| Prozac (Fluoxetine Hydrochloride) | |
| Prozac Liquid (Fluoxetine Hydrochloride) | |
| Prozac Weekly (Fluoxetine Hydrochloride) | |
| Prucalopride Succinate (Motegrity) | Resotrans |
| Pseudoephedrine Hydrochloride (Sudafed) | |
| Pseudoephedrine Hydrochloride / Acrivastine (Semprex D) | |
| Pseudoephedrine Hydrochloride / Triprolidine Hydrochloride (Aprodine) | |
| Pseudoephedrine Sulfate / Acetaminophen (Sinutab) | |
| Psorcon (Diflorasone Diacetate) | |
| Psyllium Husk Powder (Metamucil) | Metamucil Fibrecaps |
| Pulmicort Flexhaler (Budesonide) | Pulmicort Turbuhaler |
| Pulmicort Inhaler (Budesonide) | |
| Pulmicort Nebuamp (Budesonide) | Pulmicort Respules |
| Pulmicort Respules (Budesonide) | Pulmicort Nebuamp |
| Pulmicort Turbuhaler (Budesonide) | Pulmicort Flexhaler |