<prompt> Answer this question truthfullyWhat is the prophylactic treatment for Toxoplasmosis and Pneumocystitis jirovecii in HIV patients, and what medication is commonly used for this purpose?  <response>: <reason> Trimethoprim-sulfamethoxazole TMP-SMX is commonly used as prophylactic treatment for Toxoplasmosis and Pneumocystitis jirovecii in HIV patients. 