What is the difference between intramuscular injection and intravenous injection

Intramuscular INJECTION AND intravenous injection ARE differentiated, the main difference is: injection method and place are different, the drug nature of the injection is different, therapeutic purpose and indications are different.

1. Intramuscular injection is to inject the liquid medicine into the muscle tissue through a syringe to achieve the purpose of curing diseases. The method is simpler and safer than intravenous medication. Blood vessels of muscle tissue are abundant, drug absorption is faster than subcutaneous, pain is lighter than subcutaneous, injection volume is larger than subcutaneous, etc.

Intramuscular injection is mainly suitable for: not suitable or can not do subcutaneous or intravenous injection of drugs; Drugs that require more rapid efficacy than subcutaneous injections; And the drug that inject EXCITant is stronger or dosage is larger, STILL have the oily agent THAT cannot inject intravenously or suspension agent can make muscle injection.

2, intravenous injection is directly injected into the venous blood tube, the effect is rapid, the operation is more strict than intramuscular injection, the risk is relatively large, often used in emergency patients, in order to quickly play the curative effect.

Indications and purposes of intravenous injection are as follows:

1) The drug should not be administered orally, subcutaneously or intramuscularly. If it needs to take effect quickly, intravenous injection can be used.

2) Other injection methods should not be taken because of the high concentration, irritation and quantity of drugs.

3) For diagnosis and test examination, intravenous injection of drugs, such as liver, kidney, gallbladder X-ray film.

4) Infusion and blood transfusion, for intravenous nutrition therapy, etc.

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