Injectable codeine is obtainable for subcutaneous or intramuscular injection only; intravenous injection is contraindicated, as this may result in nonimmune mast-mobile degranulation and resulting anaphylactoid response. Codeine suppositories are marketed in certain international locations. Codeine is really an opiate and an agonist on the mu opioid receptor (MOR). It acts https://codeingil.com/