See Available Brands of Ampicillin + Cloxacillin in India. L - Cautioned in lactation. Ampicillin exerts bactericidal action on both gm+ve and gm-ve organisms. This medicine contains ampicillin and cloxacillin, both damage the bacteria by acting on the bacterial cell wall formation. Ampiclox is also used to prevent & treat bacterial infections in the premature or newborn child, and to treat wound and respiratory system infections after an operation. Cloxacillin is an antibiotic useful for the treatment of a number of bacterial infections. This includes impetigo, cellulitis, pneumonia, septic arthritis, and otitis externa. It is not effective for methicillin-resistant Staphylococcus aureus (MRSA). It is used by mouth and by injection. Ampicillin+Cloxacillin is used to treat patients with bacterial infections. It is a semi-synthetic derivative of the drug penicillin. It is used to treat urinary tract and respiratory tract infections, meningitis, gonorrhea and infections of the stomach or intestine. Uses. Cloxacillin is used to treat a wide variety of bacterial infections. This medication is a type of penicillin antibiotic. It works by stopping the growth of bacteria. If you need to store Ampicillin (ampicillin injection solution) at home, talk with your doctor, nurse, or pharmacist about how to store it. Consumer information use If your symptoms or health problems do not get better or if they become worse, call your doctor. Ampicillin for Oral Suspension, USP provides ampicillin trihydrate equivalent to 125 mg/5 mL and 250 mg/5 mL ampicillin. Ampicillin for Oral Suspension also contains carboxymethylcellulose sodium, colloidal silicon dioxide, flavors, microcrystalline cellulose, sodium citrate, sodium propionate, and sucrose. Ampicillin exerts its effect by inhibiting the synthesis of the bacterial cell wall. Cloxacillin inhibits the third and final stage of bacterial cell wall synthesis. I have consulted a dermatologist and took ampicillin and cloxacillin tablets. The medicine works , but as soon as i stop it the infection The medicine works , but as soon as i stop it the infection Answer from Dr. Vijay Adhe.