Conjunctivitis can be cured. Different types of conjunctivitis can be cured in different ways and take different amounts of time. The following are common: First, conjunctivitis caused by bacterial infection, due to Staphylococcus aureus, needs to be treated with antibacterial eye drops, commonly used are moxifloxacin eye drops, which can be cured with regular medication for about a week. Secondly, conjunctivitis caused by viral infection, due to herpes virus, coxsackie virus, adenovirus, you need to order eye drops that interfere with the synthesis of viral DNA to kill the virus, such as ganciclovir eye drops treatment, about half a month can be cured. Thirdly, conjunctivitis caused by allergic factors, need to use drugs to inhibit allergic reactions to be able to cure, you can order azathioprine hydrochloride eye drops, usually with 2-3 days to be able to improve, there is no way to completely remove the root cause of the disease, once contact with allergens will recur.