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Severe Vitamin B12 Deficiency In cases of severe vitamin B12 deficiency that require rapid correction, such as neurological symptoms or complications, healthcare providers may opt for methylcobalamin injections to ensure a quick increase in B12 levels

Yup I know about temporal inflamed arteries but my problem is different as prominent veins are appearing not only in head area but hands and feet too

GLP-1 (Tirzepatide & Semaglutide) Units Calculator Convert GLP-1 doses into syringe units and mL

Serious or Rare Side Effects These are less common but require immediate medical attention : Severe nausea or vomiting leading to dehydration Persistent stomach pain (which could indicate pancreatitis) Gallbladder issues such as gallstones or inflammation Rapid heartbeat or dizziness Allergic reactions (rash, swelling, or difficulty breathing) Who Should Be Cautious