| Administration, Topical | Not Available | 2 | 32 | Details |
| ADP Ribose Transferases | Enzymes that transfer the ADP-RIBOSE group of NAD or NADP to proteins or other small mo... more | 2 | 3 | Details |
| Adrenal Cortex Hormones | Not Available | 173 | 1010 | Details |
| Adrenals | Not Available | 17 | 178 | Details |
| Adrenergic Agents | Drugs that act on adrenergic receptors or affect the life cycle of adrenergic transmitt... more | 171 | 952 | Details |
| Adrenergic Agonists | Drugs that bind to and activate adrenergic receptors. | 105 | 443 | Details |
| Adrenergic alpha-1 Receptor Agonists | Compounds that bind to and activate ADRENERGIC ALPHA-1 RECEPTORS. | 27 | 204 | Details |
| Adrenergic alpha-1 Receptor Antagonists | Drugs that bind to and block the activation of ADRENERGIC ALPHA-1 RECEPTORS. | 60 | 950 | Details |
| Adrenergic alpha-2 Receptor Agonists | Compounds that bind to and activate ADRENERGIC ALPHA-2 RECEPTORS. | 32 | 237 | Details |
| Adrenergic alpha-2 Receptor Antagonists | Drugs that bind to and block the activation of ADRENERGIC ALPHA-2 RECEPTORS. | 7 | 36 | Details |
| Adrenergic alpha-Agonists | Drugs that selectively bind to and activate alpha adrenergic receptors. | 54 | 305 | Details |
| Adrenergic alpha-Antagonists | Drugs that bind to but do not activate alpha-adrenergic receptors thereby blocking the ... more | 76 | 1015 | Details |
| Adrenergic and Dopaminergic Agents | Not Available | 26 | 121 | Details |
| Adrenergic Antagonists | Drugs that bind to but do not activate ADRENERGIC RECEPTORS. Adrenergic antagonists blo... more | 118 | 1182 | Details |
| Adrenergic beta-1 Receptor Agonists | Compounds that bind to and activate ADRENERGIC BETA-1 RECEPTORS. | 12 | 78 | Details |
| Adrenergic beta-1 Receptor Antagonists | Drugs that bind to and block the activation of ADRENERGIC BETA-1 RECEPTORS. | 10 | 69 | Details |
| Adrenergic beta-2 Receptor Agonists | Compounds bind to and activate ADRENERGIC BETA-2 RECEPTORS. | 36 | 184 | Details |
| Adrenergic beta-3 Receptor Agonists | Compounds that bind to and activate ADRENERGIC BETA-3 RECEPTORS. | 10 | 85 | Details |
| Adrenergic beta-Agonists | Drugs that selectively bind to and activate beta-adrenergic receptors. | 58 | 243 | Details |
| Adrenergic beta-Antagonists | Drugs that bind to but do not activate beta-adrenergic receptors thereby blocking the a... more | 41 | 201 | Details |
| Adrenergic beta2-Antagonists | Not Available | 1 | 31 | Details |
| Adrenergic Uptake Inhibitors | Drugs that block the transport of adrenergic transmitters into axon terminals or into s... more | 26 | 299 | Details |
| Adrenergics for Systemic Use | Not Available | 16 | 41 | Details |
| Adrenergics, Inhalants | Not Available | 28 | 138 | Details |
| Adrenocortical Insufficiency | Not Available | 1 | 1 | Details |