Isoniazid
- TRADE NAMES: Cemidon; Diazid; Isotamine; Isozid; Nicotibine; Nicozid; PMS-Isoniazid; Rifamate (Sanofi-Aventis); Rifater (Sanofi-Aventis); Tibinide
- INDICATIONS: Tuberculosis
- SYNONYM: INH
- CLASS: Antibiotic, Antimicrobial, Antimycobacterial (including antitubercular)
- HALF-LIFE: <4 hours
CLINICALLY IMPORTANT, POTENTIALLY HAZARDOUS INTERACTIONS WITH:
Acetaminophen, Betamethasone, Ethosuximide, Insulin Aspart, Insulin Degludec, Insulin Detemir, Insulin Glargine, Insulin Glulisine, Itraconazole, Levodopa, Metformin, Phenytoin, Prednisolone, Propranolol, Rifampin, Rifapentine, Safinamide, Triamcinolone
PREGNANCY CATEGORY: C
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SKIN.
HAIR.
MUCOSAL.
CARDIOVASCULAR.
CENTRAL NERVOUS SYSTEM.
ENDOCRINE/METABOLIC.
GASTROINTESTINAL/HEPATIC.
HEMATOLOGIC.
NEUROMUSCULAR/SKELETAL.
OCULAR.
OTIC.
RENAL.
RESPIRATORY.
OTHER.
Page last updated 02/10/2022
Symbol key
Incidence 
- <1%
- 1-5%
- 5-10%
- 10-15%
- 15-20%
- 20-30%
- >30%
Seriousness
- Hospitalization possible
- Life threatening
- Fatal
Warnings in other populations
- Breast feeding
- Geriatric
- Pediatric
