Deer antler essence injection has the effect of enhancing muscle vitality and promoting cell metabolism. Deer antler essence injection is composed of deer antler. In clinical practice, it is mainly used for neurasthenia, loss of appetite, malnutrition, hypogonadism and amnesia. Adverse reactions and contraindications: with the use of Deer Antler Essence Injection, adverse reactions are currently unclear. Allergy to Sika deer antler etc. is prohibited. Precautions:After using Deer Antler Essence Injection for 2 weeks, if the symptoms of lumbar and knee soreness, impotence and premature ejaculation, women’s uterine cold and belt decline and other symptoms do not improve, you need to go to the hospital in time to see a doctor. If you need to use Deer Antler Essence Injection, you should consult a regular hospital and use it under the guidance of a doctor, do not use it on your own to avoid delaying your condition.