| Halcinonide |
| Haloperidol Decanoate |
| Haloperidol* |
| Halopredone Acetate |
| Halothane* |
| Haloxazolam* |
| Helenien |
| Hepronicate |
| Hexoprenaline Sulfate |
| Homatropine Hydrobromide* |
| Homochlorcyclizine Hydrochloride* |
| Hydralazine Hydrochloride* |
| Hydrochlorothiazide* |
| Hydrocortisone Acetate* |
| Hydrocortisone Butyrate* |
| Hydrocortisone Sodium Phosphate* |
| Hydrocortisone Sodium Succinate* |
| Hydrocortisone Succinate* |
| Hydrocortisone* |
| Hydrocotarnine Hydrochloride* |
| Hydroflumethiazide |
| Hydroxycarbamide |
| Hydroxyprogesterone Caproate |
| Hydroxyzine Hydrochloride* |
| Hydroxyzine Pamoate* |
| Hymecromone* |