In single cases, conditions of shock have been observed after treatment with Thiamine HCl or Cyanocobalamin injections.
Gastrointestinal complaints, such as nausea, vomiting, diarrhoea or abdominal pain may occur.
Individual cases of acne have been reported after high parenteral dose of Cyanocobalamin.
Injection site reactions may occur.
Speak to a doctor, if such symptoms or other unwanted effects occur.
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