Precimax-Forte, Ceftriaxone and Sulbactam for Injection 1.5g for IM and IV use only administered to treat bacterial infections. This combination of medicine kills bacteria as well as prevents the bacteria from forming a protective covering for their survival. This medication even works on bacteria that have developed resistance. The patient must complete the entire course of medication. The side effects of Precimax-Forte are rash, allergic reaction, and diarrhea. In order to prevent the side effects, eat food and take plenty of fluids.