Drug causes sun sensitivity. Pt should use sunscreen, cover skin with clothing and a hat, and avoid the sun/tanning beds.
Pt should maintain adequate hydration during therapy to prevent crystalluria and renal stone formation.
Patient should also report signs/symptoms of a severe skin reaction such as Stevens-Johnson syndrome (flu-like symptoms, spreading red rash, or skin/mucous membrane blistering) or toxic epidermal necrolysis (widespread peeling/blistering of skin).
Advise patient to immediately report signs/symptoms of fulminant hepatic necrosis (somnolence, confusion, jaundice, abdominal pain), blood dyscrasia, severe diarrhea, or shortness of breath.