I am allergic to sulfa drugs. what antibiotics can i take???

Many: Sulfa drugs are only one class of drugs. Which class or specific drug would depend on what you need it for.

Many options: There are several dozen different antibiotics in common use. If you are allergic to sulfa, then avoid it at all cost. The antibiotic you need of the many available depends upon what is being treated. Do you need this for pneumonia, GI infection, bladder infection, skin infection or other issues. Check with you regular doctor to see what is the best option for your infection.

Antibiotics : There are various Other group of antibiotics which can be given . Based on infection your doctor can prescribe the appropriate antibiotics