# Chloramphenical is very effective against ?

$(a)\;\text{dysentry} \\ (b)\;\text{heart attack} \\(c)\;\text{tuberculosis} \\ (d)\;\text{eczema}$

Chloramphenical is a broad - spectrum antiluotic, Which can be given orally.
It is very effective against ryphoid, dysentry , acutefever, etc.
Hence a is the correct answer.