Although the side effects of elixir are not yet clinically clear, the warm nature of the drug is not recommended for long-term infusion and may affect health. Elongation herb belongs to a kind of traditional Chinese medicine, the drug in the clinical medicinal use, the main choice is the dried whole grass of the stone pine plant of the stone pine family. It can serve to dispel wind and dampness (get rid of wind and dampness in the body), and relieve tendons and activate collaterals (stretch the tendons and bones, dredge the meridians and channels). It is mainly used for symptoms such as joint pain, unfavorable flexion and extension, and numbness of limbs caused by wind-cold-dampness paralysis (paralysis of limbs due to the invasion of the body by wind, cold and dampness). In addition, Elixir of Tendons can also be used to treat stasis, swelling and pain caused by bruises and injuries. However, the adverse reactions and contraindications of Elixir of Forsythia are still unclear, using Elixir of Forsythia to make water to drink can not replace the therapeutic effect of the drug, moreover, you can not use the drug to make water for a long time, to avoid the effect on the body. Specific medication is recommended under the guidance of a doctor, do not take medication without authorization.