Solidus is the trade name of tetraenylmenaquinone soft capsule, about how long to take tetraenylmenaquinone soft capsule for a course of treatment, there is no clear description, but clinically generally 4~6 weeks for 1 course of treatment. The main ingredient of the drug is tetraenylmenaquinone, which can promote bone formation and increase the amount of osteocalcin in the cell layer. Clinically the drug is used to increase bone mass in patients with osteoporosis. Adverse reactions such as headache, stomach upset, and rash have been reported during the use of the drug. It is contraindicated in patients being treated with warfarin sodium tablets. The drug is poorly absorbed when taken on an empty stomach, and patients should take it after meals; when a rash, redness of the skin and itching occur after use of the drug, the drug should be stopped immediately and the patient should go to the hospital in time. If you need to use the drug, it should be used under the guidance of a specialist, not self-medication to avoid adverse reactions.