Methylcobalamin dosage forms commonly available on the market, generally there is not much difference between, can treat peripheral neuropathy, etc., follow the doctor’s instructions to buy can be. Mecobalamin common dosage forms include tablets, capsules, injections, oral medication is generally used for the treatment of peripheral neuropathy, injections in addition to the treatment of peripheral neuropathy, can also be used for the treatment of and because of the lack of vitamin B12 caused by megaloblastic anemia. Some patients using methylcobalamin will appear nausea and vomiting, diarrhea, loss of appetite, allergies and other adverse reactions, allergic to the product and components of the patient is prohibited, and engaged in and mercury and its compounds related to the industry patients should try to avoid long-term use of large quantities. If you feel unwell after using the drug, it is recommended that you go to a regular hospital in time, and follow the doctor’s instructions for symptomatic treatment with medication.