Methylcobalamin tablets may have adverse reactions such as flushing, but after stopping the drug for a period of time will be restored, and will not exist for a long time, the performance may be caused by allergic dermatitis and so on. Methylcobalamin tablets belong to a kind of western medicine, in the clinic is mainly good at the treatment of peripheral neuropathy, because the drug can be nutritious nerve. For example, cervical spondylosis and lumbar disc herniation can be treated with the aid of this drug. However, a very small number of people taking methylcobalamin tablets may experience allergic reactions such as flushing, however, it can usually be recovered within a short period of time after stopping the drug. If long-term flushing occurs, it is often considered to be the presence of facial atopic dermatitis and other diseases, you can choose chlorpheniramine maleate and other treatments. Consult your doctor for specific medication.