Methylcobalamin tablets are mainly used to treat peripheral neuropathy, including numbness, spontaneous pain, abnormal sensation, upright vertigo, excessive sweating, and thirst. They can also be used to improve neurological symptoms due to disc herniation, sciatica, facial palsy, and herpes zoster. The ingredient of methylcobalamin tablets is methylcobalamin, which is an endogenous coenzyme B12, this coenzyme is found in the blood and medulla of human body. Methylcobalamin is a coenzyme of methionine synthetase, which is involved in a number of reactions in the body and has a good effect on improving the conduction of neurons. Many peripheral nerve lesions will lead to neuronal conduction disorders, resulting in symptoms such as numbness, pain, abnormal sensation, etc. By taking methylcobalamin, some of the above neurological symptoms can be improved to a certain extent. Methylcobalamin can be used to treat a variety of peripheral peripheral nerve metabolic dysfunction and autonomic neuropathy, improve patients’ self-conscious symptoms, such as numbness, spontaneous pain, abnormal sensation, etc. It can improve the nerve symptoms caused by intervertebral disc herniation, sciatica, facial palsy, herpes zoster, etc. and shorten the recovery time. As for the specific dosage of methylcobalamin, it must be decided with the clinical and patient’s condition, etc. Please refer to the doctor’s face-to-face guidance. During the medication period, there may be gastrointestinal discomfort, loss of appetite, nausea, vomiting, diarrhea and other discomforts, and the symptoms are generally mild and can disappear after stopping the medication. If the symptoms are particularly severe, you can consult your physician to adjust the medication regimen.