List C Drug Class

Doxycycline (Vibramycin)

Tetracycline Antibiotic

Enalapril (Vasotec)

Angiotensin-converting enzyme (ACE) inhibitor

Enoxaparin (Lovenox)

Low Molecular Weight Heparin (LMWH)

Epinephrine (Adrenalin)

Sympathomimetic

Erythromycin (Ilotycin)

Macrolide antibiotic

Famotidine (Pepcid)

Histamine-2 receptor antagonist

Fentanyl (Duragesic)

Opioid analgesic

Ferrous sulfate (Ferosol)

Iron supplement

Fidaxomicin (Dificid)

Macrolide antibiotic

Finasteride (Proscar)

5 alpha-reductase inhibitor

Fluconazole (Diflucan)

Azole antifungal

Furosemide (Lasix)

Loop diuretic

Gabapentin (Neurontin)

Gabapentinoid anticonvulsant

Gentamicin (Garamycin)

Aminoglycoside

Glucagon (GlucaGen)

Antihypoglycemic

Haloperidol (Haldol)

First-generation antipsychotic

Heparin

Anticoagulant

Hydralazine (Apresoline)

Direct-acting vasodilator antihypertensive

Hydrochlorothiazide (Hydrodiuril)

Thiazide diuretic

Hydrocodone-acetaminophen (Norco)

Opioid and non-opioid analgesic

Hydrocortisone (Cortef)

Glucocorticoid

Hydromorphone (Dilaudid)

Opioid analgesic

Hydroxyzine (Atarax)

First-generation antihistamine

Ibuprofen (Advil)

Nonsteroidal anti-inflammatory drug (NSAID)

Imipenem-cilastatin (Primaxin)

Carbapenem and beta-lactamase inhibitor antibiotic