Methylcobalamin and vincristine tablets can be taken together. Methylcobalamin has a good improving effect on neuron conduction and is used in the treatment of megaloblastic anemia caused by vitamin B12 deficiency, as well as in peripheral neuropathy. Occasionally, rash, headache, feverish feeling, sweating, pain and hardness at the site of intramuscular injection. Can cause severe allergic reactions such as decreased blood pressure and dyspnea. When using Methylcobalamin Tablets and Methylcobalamin Capsules, patients are not advised to use them for a prolonged period of time. If symptoms are not significantly relieved after 1 month of use, it is recommended to stop using the drug. Prolonged use of these medicines is not recommended if the patient is a worker working with mercury or related compounds. Vincristine tablets, the indications are applicable to the sequelae of cerebral infarction, sequelae of cerebral hemorrhage, cerebral arteriosclerosis and so on. Sometimes rash, urticaria, itching allergic symptoms can occur, at this time the drug should be stopped. Intracranial hemorrhage is prohibited in the acute stage. The indications of methylcobalamin and vincristine tablets are peripheral neuropathy, but also used for a variety of neuritis neuralgia, autonomic nervous disorders and other related symptoms, which can play a role in nutritive nerves and promote the repair of damaged nerves. In addition, some patients occasionally occur gastrointestinal reactions after taking the drug, such as loss of appetite, nausea, vomiting or diarrhea, etc., the occurrence of the above symptoms need to be timely hospital consultation, in addition, do not unauthorized adjustment of the dose of the drug, follow the doctor’s instructions to take medication.