The full name of Gatifloxacin is Gatifloxacin Eye Drops. Tobramycin Eye Drops and Gatifloxacin Eye Drops are different in drug composition and mechanism of action, indications, adverse reactions, drug interactions and contraindications. 1. Composition and mechanism of action: tobramycin eye drops belongs to the aminoglycoside class of drugs, can inhibit bacterial protein synthesis and has a bactericidal effect; Gatifloxacin eye drops is a fluoroquinolone class of drugs, directly on the bacterial DNA, to play an antibacterial effect. 2. Indications: Tobramycin Eye Drops are used for localized infections of the external eye and appendages caused by sensitive bacteria; Gatifloxacin Eye Drops are mainly used to treat acute bacterial conjunctivitis caused by sensitive bacteria. 3. Adverse reactions: local irritation symptoms such as eyelid swelling and conjunctival erythema can occur after using Tobramycin Eye Drops; there can be tearing, eye pain, headache, eye dryness, keratitis, conjunctival irritation, conjunctival congestion, eyelid edema, visual acuity loss, taste disorders and other adverse reactions after using Gatifloxacin Eye Drops. 4. Drug interactions: tobramycin eye drops and other aminoglycosides when used in combination, can increase the toxicity of the ear, kidney, etc.; gatifloxacin eye drops and theophylline class of drugs when used in combination there may be interactions. 5. Contraindications: for tobramycin eye drops, allergic to the drug or other aminoglycosides is prohibited; for gatifloxacin eye drops, allergic to the drug or quinolones, diabetic patients are prohibited. If you need to use the above drugs patients, please under the guidance of the doctor strictly follow the instructions of the doctor to take medication, do not self-medication.