What drug is used by patients with diabetes mellitus? Why is it administered intravenously, intramuscularly or subcutaneously, and not taken in the form of tablets, capsules, mixtures?
1. Patients with diabetes mellitus are administered insulin.
2. Insulin is a protein and, like all proteins, is influenced by digestive enzymes in the stomach and small intestine. It should enter the bloodstream not in the form of individual amino acids, but as a whole, while maintaining its hormonal activity. Therefore, it is administered intravenously, intramuscularly or subcutaneously.
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