My mum said she thinks its just a normal reaction but I just wanted to see if anyone else has ever had this heavy, achy pain in the upper arm going into the armpit and shoulder
Seek urgent medical attention if you develop sudden or severe neurological symptoms, such as significant weakness, loss of coordination, visual disturbances, or confusion, as these may indicate more serious neurological complications requiring immediate assessment
For extended travel, consider timing your trip to use lyophilized powder, which is more stable and easier to transport than reconstituted solution
When you dont have enough B12, these processes slow down which is why you feel tired and weak
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