The proper use of tobramycin ophthalmic ointment is topical application, not oral administration. Tobramycin ophthalmic ointment is generally used for topical anti-infective treatment of sensitive bacterial infections of the external eye, and the drug needs to be used according to the doctor’s instructions. This drug is only used for the eye, can not be taken orally or used in other parts of the body, before using the drug you need to gently wipe the skin around the eye with a sterilized cotton swab, the secretions in the eye as well as some of the tears cleaned up, and then applied with a cotton swab. Tobramycin ophthalmic ointment may cause adverse reactions during use, such as itching, redness and swelling of the eyelids. It is contraindicated in patients who are allergic to the drug or any of its ingredients. Pregnant as well as lactating women need to use it under the supervision of a medical professional.