Insulin pump with subcutaneous injection. Play multimedia content Subcutaneous injection administration
Subcutaneous injection involves the introduction of medications into subcutaneous tissue. It is mainly used when it is desired that the medication is absorbed slowly.
Absorption into the subcutaneous tissue is performed by simple diffusion between the subcutaneous tissue and the blood, the rate of absorption is maintained and slow, which ensures a sustained effect.
Most subcutaneous drugs are liquid and water-soluble and non-irritating in tissue, because the subcutaneous tissue contains pain receptors, irritants can cause pain and tissue necrosis.
The most common areas for subcutaneous puncture are: arms, thighs, periumbilical region. All of them are characterized by low vascularization.
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