Diclofenac sodium eye drops should not be used for a long period of time, the maximum length of time that the drug can be used is four weeks after it is activated. Diclofenac Sodium Eye Drops itself is a non-steroidal anti-inflammatory drug, and its efficacy is relatively strong compared to other non-steroidal anti-inflammatory drugs. It can be used for the treatment of keratitis, uveitis, scleritis, allergic eye disease and so on. The precautions in the instructions for use of the drug clearly indicate that diclofenac sodium eye drops should be used for a maximum of four weeks after activation. Regardless of whether diclofenac sodium eye drops or other NSAIDs are used, patients may experience adverse reactions such as gastrointestinal bleeding, gastric ulcers, and perforation during treatment, which can be fatal. Patients should aim to use the lowest effective dose to cope with the disease for the shortest period of time, as required by the symptoms Before using diclofenac sodium eye drops, it is important to note that the drug must be contraindicated in people who are allergic to the drug, in severe heart failure, in the presence of active peptic ulcers or bleeding, in the presence of previous recurrent ulcers or bleeding, and in the perioperative period of coronary artery bypass surgery. Reduce the standardized use of diclofenac sodium eye drops as prescribed by the doctor and do not abuse it on your own.