Subcutaneous injection, intramuscular injection and static (pulse) push each used in what place?

Subcutaneous injection: Used when the drug needs to be effective quickly and cannot or should not be administered orally. If insulin is taken orally in the gastrointestinal tract is easily destroyed by digestive enzymes, lose its effect, and subcutaneous injection is quickly absorbed.

2. Administered as a local anesthetic or preoperatively.

3. Vaccination.

Intramuscular injection is mainly suitable for: unfavorable or cannot do intravenous injection, the requirement is more rapid than subcutaneous injection when the curative effect, and injection irritation is stronger or the drug dosage is larger.

Intravenous injection:

1. Drugs should not be administered orally, subcutaneously or intramuscularly, other methods are needed

When the effect occurs rapidly, intravenous injection or intravenous infusion can be used.

2. The drug is not suitable for other injection methods because of its high concentration, irritation and quantity.

3. For diagnostic and experimental examination, intravenous injection of drugs, such as liver, kidney, gallbladder X-ray film.

4. Fluids and blood transfusions.

5. It is used for intravenous nutrition therapy.

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