Sultafix 750mg Tablet can be taken with or without food It is important to take it regularly at consistent intervals according to your doctors schedule Taking it at the same time every day will help you remember to take it The dosage will depend on the reason for your treatment but it is important to complete the entire course as prescribed by your doctor Even if you start feeling better do not stop taking it early By doing so some bacteria may survive and the infection could return The most common side effects of this medication include vomiting nausea and diarrhea These side effects are usually mild but if they bother you or persist for more than a few days it is important to inform your doctor Before using this medication please inform your doctor if you are allergic to any antibiotics or if you have any kidney or liver problems This medication is generally considered safe to use during pregnancy and breastfeeding if prescribed by a doctor