| Hyperglycemia-Associated Agents | Not Available | 121 | 1347 | Details |
| Hyperpolarization-activated Cyclic Nucleotide-gated Channel Antagonists | Not Available | 1 | 3 | Details |
| Hyperpolarization-activated Cyclic Nucleotide-gated Channel Blocker | Not Available | 1 | 3 | Details |
| Hyperpolarized Contrast Agent | Not Available | 1 | 1 | Details |
| Hypersensitivity, drug therapy | Not Available | 1 | 0 | Details |
| Hypertension, Pulmonary | Not Available | 1 | 11 | Details |
| Hypnotics (Nonbenzodiazepine) | Not Available | 8 | 37 | Details |
| Hypnotics and Sedatives | Drugs used to induce drowsiness or sleep or to reduce psychological excitement or anxiety. | 110 | 609 | Details |
| Hypnotics, barbituric acid derivatives | Not Available | 0 | 0 | Details |
| Hypnotics/sedatives, zolpidem derivatives | Not Available | 0 | 0 | Details |
| Hypnotics/tranquilizers, zopiclone and derivatives | Not Available | 0 | 0 | Details |
| Hypoglycemia-Associated Agents | Not Available | 62 | 571 | Details |
| Hypoglycemia-Treating Agents | Agents used in the treatment of hypoglycemia (i.e. low blood sugar). | 1 | 9 | Details |
| Hypoglycemics, phenformin derivatives | Not Available | 0 | 0 | Details |
| Hypolipidemic Agents | Substances that lower the levels of certain LIPIDS in the BLOOD. They are used to treat... more | 64 | 382 | Details |
| Hypolipidemic Agents Indicated for Hyperlipidemia | Agents that have been assigned indications for the lowering of serum lipid levels. Not ... more | 24 | 245 | Details |
| Hyponatremia | Not Available | 0 | 0 | Details |
| Hypophosphatasia, drug therapy | Not Available | 1 | 1 | Details |
| Hypotensive Agents | Agents that cause hypotension, whether it is for a therapeutic indication or as an off-... more | 176 | 1651 | Details |
| Hypothalamic Hormones | Peptide hormones produced by NEURONS of various regions in the HYPOTHALAMUS. They are r... more | 44 | 162 | Details |
| Hypoxia-inducible Factor Inhibitor | Not Available | 1 | 8 | Details |
| Hypoxia-inducible Factor Prolyl Hydroxylase Inhibitor | Not Available | 2 | 28 | Details |
| Hypoxia-Inducible Factor-Proline Dioxygenases, antagonists & inhibitors | Not Available | 3 | 38 | Details |
| I.V. Solution Additives | Not Available | 22 | 203 | Details |
| i.v. Solutions | Not Available | 4 | 11 | Details |