Keratitis does not exist with what medication is good for treatment, because there are various types of keratitis, such as bacterial keratitis, fungal keratitis, herpes simplex viral keratitis, etc. Different types of keratitis are suitable for different drugs. Different types of keratitis are suitable for different medications. The most common medications used to treat keratitis are cephalosporin, miconazole eye drops, acyclovir, and so on. 1. Bacterial keratitis: If you are suffering from bacterial keratitis, it is usually treated with local antibiotics, commonly used drugs are cephalosporin and tobramycin. 2. Fungal keratitis: If it is fungal keratitis, usually need to use local antifungal drug treatment, such as 0.5% mifeprazole ophthalmic solution, if it is a serious fungal infection, need to be combined with systemic use of antimicrobial agents, such as oral ketoconazole, fluconazole and so on. 3. Herpes simplex virus keratitis: for herpes simplex virus keratitis, generally need to use antiviral drugs, such as acyclovir, if the condition is serious, may need to oral acyclovir and other antiviral drugs, and sometimes may need to combine the use of glucocorticoids. Suffering from keratitis is recommended to actively go to the ophthalmology department of the regular hospital, under the guidance of the doctor to use the appropriate medication, you can not take medication without authorization, to avoid adverse effects on the body.