Diclofenac Sodium Gel is a water-soluble, gel-like, over-the-counter medication that is used to relieve mild to moderate pain caused by muscles, soft tissues, joints, and other areas. Diclofenac Sodium Gel is a topical medication for the relief of pain caused by sprains, contusions, strains and other factors in muscles and soft tissues. Some patients may experience localized pimples, redness, and itching after using the medication. If there are allergies to non-steroidal anti-inflammatory drugs, propylene glycol, etc. is prohibited, avoid extensive use of the drug. Liver and renal insufficiency, as well as women during pregnancy and breastfeeding should not use this drug. Patients need to pay attention to their own physical changes during the use of the drug, and need to follow the doctor’s instructions to use the drug. If after a week, the effect of the drug is not obvious, you should consult a physician or pharmacist.