You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Following drugs are effective in cases of pneumocystis jirovecii EXCEPT and explain in detail?
Trimethoprim-sulfamethoxazole,which acts by inhibiting folic acid synthesis,is considered the drug of choice for all forms of Pneumocystis jirovecii pneumonia.Therapy is continued for 14 days in non-HIV infected patients & for 21 days in persons infected with HIV.Alternative regimens include TMP plus dapsone and clindamycin plus primaquine.Parenteral pentamidine is also effective. Reference:. Davidson edition23rd pg 584