Ethambutol should be used very cautiously in childhood tuberculosis due to which of its side effect?: (A) Ocular toxicity, (B) Renal damage, (C) Hepatotoxicity, (D) Clofazamine
Answer is A. Ans. a (Ocular toxicitv). (Ref. KD Trioathi, 5th ed., 704 & Harrison, Medicine 14th ed.. 428)DRUGS CAUSING OCULAR TOXICITY, MAINLY COLOR VISION ALTERATION# Barbiturates# Ethambutol (-red-green blindness)# Thiazides# Digoxin (yellow vision)# Sildenafil (Blue - green blindness)# Sulfonamides