how long is b12 injection good after expiration date Hi I bought the injectable liquid but there's no use by on it or you have to use it once it's opened. Anyone know the answer? TIA x When should B12 (vitamin B12)

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If clinically appropriate, treatment options may be discussed and fulfilled through licensed providers and pharmacies where permitted

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At the moment I feel like I cant take flucanazole until my potassium is back up to a normal level (if it is low) I have the same history with regards to being prescribed injections and then taken off them after several years and so went to self injections