Fotalin is a non-steroidal anti-inflammatory and analgesic drug, the main component is diclofenac, mainly for sterile inflammation, including arthritis, tendonitis, ligamentitis, etc. can play an anti-inflammatory and analgesic effect. The course of Fotarine is not clearly defined, but it is not recommended to take it orally for a long time. 3-5 days of oral intake will be effective, and if the effect is not good enough to consult a doctor and adjust the medication plan. Because the side effects of the drug are relatively large, short-term oral is possible, long-term oral side effects are relatively large, the effect is not obvious when the drug should be replaced in a timely manner. Therefore, the oral duration of Fotarim is 3-5 days and should not be taken for a long time. In addition, if there is a relapse of symptoms and other situations, you can continue to take the drug after a week of discontinuation, this drug should be taken under the guidance of a physician.