My daughter gives me my B12 shots at home. I used to open a bottle use it for that time and again three weeks later than throw the bottle and start a new one next time. My insurance has decided that since a bottle has 10 doses I should use it for 10 times before obtaining a new bottle. What is the shelf life of an opened bottle? My anemia is getting much worse. Could this be the reason?
Are you using the 10ml multivial?
As long as you follow the advised storage instructions ie. store at 20°-25°C and protect from light, and the vial is still in date ie. it has not passed the expiry date which will be on the vial somewhere, then it is fine to use.
You could ask for the 1ml single dose vials.
- Cyanocobalamin Information for Consumers
- Cyanocobalamin Information for Healthcare Professionals (includes dosage details)
- Side Effects of Cyanocobalamin (detailed)
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