Common Side Effects Mild injection site pain or swelling Slight nausea or dizziness Temporary flushing or warmth sensation Mild stomach discomfort Rare & Serious Side Effects Severe allergic reactions (rash, itching, swelling) Breathing difficulty or hypersensitivity Irregular heartbeat (rare cases) Strong reaction to Vitamin B12 or Vitamin C sensitivity Most side effects are temporary and resolve with proper medical care
On the other hand, haloperidol given after morphine prolongs the reaction time compared to the morphine group
55 SakamotoK.YonokiY.KubotaY.KuwagataM.SaitoM.NakaharaT.et al (2006)
Methylcobalamin B12 is also indicated in those with pernicious anemia, diabetes, neuropathy, heart disease, circadian rhythm sleep disorders, memory loss, depression, fatigue, AIDS, inflammatory bowel disease (IBD), Lyme disease, osteoporosis, tendonitis, psychiatric disorders, Alzheimers disease, liver and kidney disease, and asthma
Active pancreatitis is an absolute hold
