As we know, there are many different types of drugs, some are used orally, some are used by injection or infusion... Injectable drugs are divided into intravenous injection, intramuscular injection, subcutaneous injection, intradermal injection,... The buttocks are a commonly chosen location when using intramuscular injections.

Subcutaneous injection is one of the commonly used techniques today. It is also an important injection technique.

In medicine, drugs are used through many different routes such as oral, injection, infusion, topical application, .... of which the most common are still oral and injection. Almost all patients can take medicine by themselves, but injections must mostly be performed by medical staff.