Dosage & administration:
- Mecobal 
(mecobalamin) it's daily dose for adults is 3 tablets in 3 divided doses. 
Contraindications :
- Mecobal 
(mecobalamin) is contraindicated in patients with hypersensitivity to 
mecobalamine, cobalt or to other vitamin B12 substances including cyanocobalamin 
and hydroxyl cobalamin.
Precautions :
- Mecobal 
(mecobalamin) should be used with caution in patients whose occupation requires 
handling mercury of it's components (prolong use of large dose) .
- Mecobal 
(mecobalamin) should not be administered for extensive periods (months) to 
patient who show no clinical response.
Drug interactions :
- Mecobal 
(mecobalamin) absorption may be decreases by colchicin, aminoglycosidic 
antibiotics, amino salicylic acid and its salts and by excessive alcohol intake 
lasting longer than 2 weeks.
 Side effect :
- Mecobal 
(mecobalamin) has rarely anorexia, nausea, diarrhea, skin rash.
 Use in pregnancy and lactation.
- Mecobal 
(mecobalamin) is recommended for use in pregnancy and lactation.