Apo-Sulfatrim

I took this while I was taking Azithromycin. Usually a LLMD will prescribe two or more medications for Lyme co-infections because they form colonies inside your body and build cysts around the colonies to protect themselves. Two antibiotics or more will break these cysts.  Here is some information on Apo-Sulfatrim.
While you are on antibiotics it's good to pay attention to which one makes you feel like you are getting the most progress in eliminating your infection and make sure you communicate this with you LLMD. Don't be afraid to say how you really feel. LLMD's get it. Here is some information on this particular antibiotic:

 Uses For Apo-Sulfatrim

Sulfamethoxazole and trimethoprim combination is used to treat infections such as urinary tract infections, middle ear infections (otitis media), bronchitis, traveler's diarrhea, and shigellosis (bacillary dysentery). This medicine is also used to prevent or treat Pneumocystis jiroveci pneumonia or Pneumocystis carinii pneumonia (PCP), a very serious kind of pneumonia. This type of pneumonia occurs more commonly in patients whose immune systems are not working normally, such as cancer patients, transplant patients, and patients with acquired immune deficiency syndrome (AIDS).

Slideshow: 10 Things to Know About Antibiotic Resistance

Sulfamethoxazole and trimethoprim combination is an antibiotic. It works by eliminating the bacteria that cause many kinds of infections. This medicine will not work for colds, flu, or other virus infections.
This medicine is available only with your doctor's prescription.