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A member asked:

I have an unopened vial of cyanocobalamin that is a couple years expired. what would happen if i used it?

A doctor has provided 1 answer
Dr. Edward Goldberg answered

DO NOT USE IT: Never use expired medication for any purpose, especially injectable medications.

Dr Ali agreed

Answered 9/29/2012

5.8k views

Thank

Related Questions

A member asked:

My vitamin B12 went from 178 to 758 on my next blood test 2 years later. Would a daily supplement really raise it that much? I am a 50 yr old woman.

A doctor has provided 1 answer

A member asked:

How long does it take for vitamin b12 deficiency to cause permanent damage?Is it possible to reverse?26 years old with 5 years of cognitive problems

A doctor has provided 1 answer

A member asked:

Im taking prilosec 20 mg in the morning and pepcid 20mg for 2 years or more at night. i read that both medicines can cause LOW vitamin B12 or Low iron?? do you still think i should take them both everyday ?

A doctor has provided 1 answer

A member asked:

I've had symptoms of vitamin B12 deficiency for years, does it mean that ill have permanent nerve damage?

A doctor has provided 1 answer

A member asked:

I have woozy feeling,brain fog and eyesight problems from 2 years now,I have had every test possible which are clear except low vitamin b12(227pg/ml).

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