b12 injection side effects uk Why do I feel worse after a injection? Vitamin B12 toxicity: Diarrhoea, dizziness

It also contains high dose Vitamin C, which can boost the immune system and support skin health

Headaches, allergic reactions, fatigue, and lightheadedness are the common ones

Due to its low toxicity, there is no Tolerable Upper Intake Level (UL) set for B12

Note: We recommend the same vitamin B12 injection dose for adults and children

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Tests to diagnose Crohn disease include: Barium enema or upper GI (gastrointestinal) series Colonoscopy or sigmoidoscopy (often done with a biopsy) CT scan of the abdomen Capsule endoscopy MRI of the abdomen Enteroscopy MR enterography A stool culture may be done to check for other possible causes of the symptoms