Read the side effects of Mecobalamin as described in the medical literature. In case of any doubt consult your doctor or pharmacist.
Loss of appetite, nausea, vomiting and diarrhea.
Rash, headache, hot sensation, sweating, itching , swelling and pain/induration at injection site.
Other Precautions :
Avoid excess dosage.
Methylcobalamin might need to be taken with adenosylcobalamin for maximum benefit.
Please check with your doctor before taking these drug combination.