A 35 yo patient with HIV is prescribed sulfamethoxazole / trimethoprim for prophylaxis of Pneumocystis. After a few days of therapy the patient develops what is considered to be a fairly severe dermatologic reaction. Which of the following is a suitable alternative?
a) atovaquone (Mepron)
b) dapsone
c) pentamidine (Pentam)
d) continue SMX / TMP