| Peripheral Nervous System Agents | Drugs that act principally at one or more sites within the peripheral neuroeffector sys... more | 573 | 3128 | Details |
| Peripheral Opioid Receptor Antagonists | Opioid receptor antagonists which act primarily on peripheral receptors due to limited ... more | 5 | 29 | Details |
| Peripheral Vasodilators | Not Available | 34 | 123 | Details |
| Peripherally Acting Antiobesity Products | Not Available | 1 | 8 | Details |
| Peroxidase, antagonists & inhibitors | Not Available | 0 | 0 | Details |
| Peroxidases | Biological molecules that possess catalytic activity. They may occur naturally or be sy... more | 0 | 0 | Details |
| Peroxides | A group of compounds that contain a bivalent O-O group, i.e., the oxygen atoms are univ... more | 10 | 229 | Details |
| Peroxisome Proliferator Receptor alpha Agonist | Not Available | 3 | 40 | Details |
| Peroxisome Proliferator Receptor gamma Agonist | Not Available | 2 | 23 | Details |
| Peroxisome Proliferator-activated Receptor Activity | Not Available | 2 | 23 | Details |
| Peroxisome Proliferator-activated Receptor Agonist | Not Available | 1 | 16 | Details |
| Peroxisome Proliferator-activated Receptor alpha Agonists | Not Available | 2 | 34 | Details |
| Peroxisome Proliferator-Activated Receptors, agonists | Not Available | 0 | 0 | Details |
| Peroxisome Proliferators | A class of nongenotoxic CARCINOGENS that induce the production of hepatic PEROXISOMES a... more | 2 | 2 | Details |
| Personal Care Products | Products used to maintain hygiene, health, and appearance. | 1 | 0 | Details |
| Pesticide Synergists | Chemicals that, while not possessing inherent pesticidal activity, nonetheless promote ... more | 2 | 6 | Details |
| Pesticides | Chemicals used to destroy pests of any sort. The concept includes fungicides (FUNGICIDE... more | 66 | 199 | Details |
| Phagocytes | Cells that can carry out the process of PHAGOCYTOSIS. | 0 | 0 | Details |
| Pharmaceutic Aids | Substances which are of little or no therapeutic value, but are necessary in the manufa... more | 36 | 123 | Details |
| Pharmaceutical Preparations | Drugs intended for human or veterinary use, presented in their finished dosage form. In... more | 166 | 684 | Details |
| Pharmaceutical Solutions | Homogeneous liquid preparations that contain one or more chemical substances dissolved,... more | 12 | 44 | Details |
| Pharmaceutical Vehicles | A carrier or inert medium used as a solvent (or diluent) in which the medicinally activ... more | 16 | 40 | Details |
| Pharmacologic Cardiac Stress Test Agent | Not Available | 1 | 1 | Details |
| Phenalenes | A group of AROMATIC HYDROCARBONS that have three rings joined as a triad around a singl... more | 1 | 3 | Details |
| Phenanthrenes | POLYCYCLIC AROMATIC HYDROCARBONS composed of three fused BENZENE rings. | 46 | 235 | Details |