Gentak Ophthalmic Ointment is used in the topical treatment of conjunctivitis caused by susceptible bacteria in dogs and cats. Conjunctivitis is a condition which mainly occurs in pets, and in animals of any age. Conjunctivitis refers to an inflammation of the conjunctiva, the tissue, which functions as a coating for the eye and lines the eyelids. The disease is often caused by viral infections, such as canine distemper, bacterial eye infections, parasites of the conjunctiva or eyelids, corneal diseases, disorders of the tear ducts, eyelid infections or abnormalities, exposure to external materials such as fibers, sand, chemicals, trauma, allergies and various other illnesses such as skin diseases. The major symptoms of conjunctivitis include discomfort, irritation, discharge from watery to thick pus and mucus, and redness of the eye.Gentak Ophthalmic Ointment is a sterile ointment, each gram of which contains Gentamicin sulfate or 3 mg Gentamicin in a base of mineral oil and white petrolatum. Gentak sulfate is essentially water soluble antibiotic belonging to the aminoglycoside group. It helps in combating different varieties of pathogenic gram-negative and gram-positive bacteria.