Using a growth hormone pen is a way to treat growth hormone deficiency in children at home that parents can do. By injecting recombinant growth hormone under the skin according to the instructions for use with a dose calculated by a pediatric endocrinologist, children still have the opportunity to grow up like their peers.

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.

Intravenous injection is one of the important and widely used injection techniques today. However, this technique also has many risks for patients.

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.

Intramuscular injection is the technique of delivering a drug into the muscle (in the muscle), from which the drug is absorbed into the body quickly and effectively. Pain in the biceps injection no longer depends on the location, speed of injection, type of needle, needle withdrawal, type of drug injected as well as patient psychology.

When using injections, the effect can be achieved faster and stronger. The drug can be administered in different ways, such as intravenously, intramuscularly, or under the skin. Either way, the principle of using injection drugs is to be followed to ensure the safety of the patient's health.