drug induced lupus

Question 1

features of drug induced lupus

Answer 1

arthralgia
myalgia
skin involvement and pulmonary

Question 2

antibodies positive in drug induced lupus

Answer 2

ANA positive, ds-DNA negative
anti-histone antibodies positive
anti-Ro, anti-smith

Question 3

causes of drug induced lupus

Answer 3

most common: procainamide and hydralazine

less common: isoniazid, minocycline, phenytoin