Fotarine, also known as diclofenac sodium, has side effects, mainly in the following areas: 1, is an anti-inflammatory and painkiller, if taken in excess for some diseases can only relieve symptoms, and can not get rid of the root of the disease, so can not be taken for a long time. 2, there is a significant stimulation of the gastrointestinal system, many patients with stomach discomfort, oral fotarine may be aggravated by pneumogastritis or gastric ulcer. The drug is not suitable for patients with asthma, especially allergic asthma, and may induce the aggravation of asthma. 5. It has an anti-platelet effect and is prone to bleeding disorders, for example, patients with a history of bleeding are not suitable for oral administration of this drug.