What is the difference between subcutaneous injection and intramuscular injection

There are many injection methods, such as hanging needles, which inject the medicinal liquid into the venous blood vessels. This method absorbs quickly and achieves the effect of the medicine quickly.

Say intramuscular injection, subcutaneous injection, intradermal injection.

Human tissue, from the outside to the inside, is the epidermis, dermis, subcutaneous tissue, and muscle.

Intradermal injection is to inject the liquid into the epidermis and dermis. Like penicillin skin test, it is an intradermal needle, so the absorption is relatively slow, and even allergies will be detected in time.

Subcutaneous injection is the injection of liquid medicine into the subcutaneous tissue, like vaccination is subcutaneous injection.

Intramuscular injection, in addition to skin test, vaccination, general drugs, must be absorbed quickly, or we require that the drug cannot be absorbed quickly, because rapid absorption will have adverse effects, usually intramuscular injection.

Intramuscular injection, the intramuscular injection site has the gluteus maximus, which is what we usually call the butt needle, with gluteus medius and gluteus minimus, (usually a child hits this place because his gluteus maximus is not yet fully developed to prevent damage. sciatic nerve), there are also injections into the vastus lateralis muscle, and injections into the deltoid muscle of the upper arm.

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