are b12 injections painful

Side Effects of B12 Injection (Common and Serious) | Credihealth https://avionbiolabs.co.uk/products/official/bac-water-3ml.png IV drip One well-documented interaction is with certain anti-epileptic drugs: high-dose pyridoxine may reduce the plasma levels of phenytoin and phenobarbital by enhancing their hepatic metabolism, potentially diminishing their anticonvulsant efficacy Size:30 ml

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