Trimethoprim/sulfamethoxazole (TMP/SMX), also known as co-trimoxazole among other names, is an antibiotic used to treat a variety of bacterial infections. It consists of one part trimethoprim to five parts sulfamethoxazole. It is used for urinary tract infections, MRSA skin infections, travelers' diarrhea, respiratory tract infections, and cholera, among others. It may be used both to treat and prevent pneumocystis pneumonia in people with HIV/AIDS.
1 - Reaction at site of tick bite can last days, even weeks. 2  Lyme rash occurs at the site of the tick bite in 80% of people with early Lyme disease. 3  Incubation period from tick bite to rash is 3-30 days (usually 3-10 days).f the rash is Lyme, it will get bigger over days or weeks and will not fade over the next few days. Only 2% of tick bites result in Lyme disease. A Lyme rash occurs at the site of the tick bite in 80% of people who have early Lyme disease.
Stage 1: Early localized Lyme disease (1 to 4 weeks). Early localized Lyme disease develops days to weeks after you become infected. You may have: 1  An expanding, circular red rash (erythema migrans). 2  Flu-like symptoms, with or without the rash. 3  The symptoms include: 4  Lack of energy. 5  Headache and stiff neck.