Isoniazid (Isoniazidum; synonym: GINK; tubazid; list B ) is an anti-tuberculosis drug. Applied for the treatment of pulmonary tuberculosis, larynx and oral cavity, the mucous membrane of the gastrointestinal tract, with bone and articular tuberculosis. Assign inside of 0.1-0.2 g 3 times a day for a long time. Contraindications: mental illness, liver and kidney damage. When taking may occur dysfunction of the central nervous system, polyneuritis . Forms of release: powder and tablets of 0.1 and 0.2 g. See also Tuberculosis drugs .