| Policresulen | 25322-68-3 |
| Poloxamer 188 | |
| Poloxamer 407 | |
| Poly Lactic-co-Glycolic Acid (PLGA) | |
| Polygeline | 9015-56-9 |
| Polyhexamethylene biguanide hydrochloride 20% solution | 32289-58-0 |
| Polyhexanide | 28757-47-3 |
| Polylysine | 101418-00-2 |
| Polynucleotides (PDRN) | 100403-24-5 |
| Polyquaternium 51 | 25104-18-1 |
| Polysaccharide Iron Complex (PIC) | 9004-66-4 |
| Polysulfated Glycosaminoglycans | |
| Polyvinylpolypyrrolidone (PVPP) | 25249-54-1 |
| Polyvinylpyrrolidone | 9003-39-8 |
| Ponazuril | 61477-40-5 |
| Porcine Gelatin Tannate | 9000-70-8 |
| Potassium DL-Aspartate Hemihydrate | |
| Potassium chlorate | 3811-04-9 |
| Potassium gluconate | 299-27-4 |
| Potassium permangante | 7722-64-7 |
| Povidone C-12 | |
| Povidone C-17 | |
| Povidone C-30 | |
| Povidone K-15 | |
| Povidone K-29/32 | |
| Pranoprofen | 52549-17-4 |
| Prednisolone Sodium Metasulfobenzoate | 630-67-1 |
| Prednisolone succinate | |
| Pregnenolone | 145-13-1 |
| Pridinol | |
| Pridinol Hydrochloride | 511-45-5 |
| Prilocaine Hydrochloride | 1786-81-8 |
| Procaine Hydrochloride | 51-05-8 |
| Procaterol | 72332-33-3 |
| Procaterol Hydrochloride Hemihydrate | 81262-93-3 |
| Promazine | 58-40-2 |
| Propacetamol | 66532-85-2 |
| Propamidine Isetionate | 140-63-6 |
| Propantheline | 298-50-0 |
| Propionamide | |