welcome to healthcaremagic.com.Quadtab is a combination of Rifampicin 150 mg, INH 75 mg, pyrazinamide 400 mg, and ethambutol HCl 275 mg.
Possible side effects:
Rifampicin: Flu-like syndrome; hematopoietic reactions; cutaneous, GI & hepatic reactions; shortness of breath; shock & renal failure. Hypersensitivity
INH: Disturbances of hepatic function, convulsions, optic neuritis
& atrophy, memory impairment, toxic psychosis, hepatitis & peripheral neuropathy
Ethambutol: Decreased visual acuity due to optic neuritis; joint pain, anaphylactoid reactions, dermatitis, pruritus, anorexia, nausea, vomiting, abdominal pain
, fever, GI upset, malaise, headache, dizziness, mental confusion
, disorientation, hallucinations.Laryngitis is not a known side effect.It could be infection.