Asked by: Leonhard Saiago
medical health vaccines

What is the difference between intradermal and intramuscular?

Last Updated: 27th January, 2020

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Each type targets a different skin layer: Subcutaneous injections are administered in the fat layer, underneath the skin. Intramuscular injections are delivered into the muscle. Intradermal injections are delivered into the dermis, or the skin layer underneath the epidermis (which is the upper skin layer).

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People also ask, how do you give an intradermal injection?

Hold syringe at a 5- to 15-degree angle from the site. Place the needle almost flat against the patient's skin, bevel side up, and insert needle into the skin. Insert the needle only about 1/4 in., with the entire bevel under the skin.

Additionally, what does intradermal mean? Adjective. intradermal (not comparable) In medicine, injections or infusions fall into the parenteral category of drug/substance delivery methods. Intradermal means within, about, or below a dermal tissue layer (typically the skin) and describes the location of administration.

Keeping this in consideration, why do we give intradermal injections?

AN INTRADERMAL injection may be given for diagnostic purposes, such as allergy or tuberculosis testing. Medication injected into the dermis is absorbed slowly because of this skin layer's limited blood supply.

What happens if a subcutaneous injection is given intradermally?

Intradermal Drug Administration. Intradermal or subcutaneous injection avoids the barrier presented by the stratum corneum, and entry into the general circulation is limited mainly by the rate of blood flow to the site of injection.

Related Question Answers

Mustapha Rahmatullin

Professional

What are the three ways to give injections?

The three main routes are intradermal (ID) injection, subcutaneous (SC) injection and intramuscular (IM) injection. Each type targets a different skin layer: Subcutaneous injections are administered in the fat layer, underneath the skin. Intramuscular injections are delivered into the muscle.

Gonzalina Boschmans

Professional

Where do you give intradermal injections?

Choose the injection site.
Intradermal injections are usually given on the inner surface of the forearm. Choose an injection site that is free of hair, moles, rashes, scars, and other skin lesions. Intradermal injections can also be administered on the patient's thigh or the back of their upper arm.

Ioar Volgel

Explainer

Do I need to aspirate a subcutaneous injection?

Don't administer irritating medications, which can cause a sterile abscess or tissue necrosis. Don't aspirate after inserting the needle (to prevent tissue damage, hematoma formation, and bruising). The likelihood of injecting into a blood vessel is small.

Zorion Eggerstorfer

Explainer

What is the Z track method?

Overview. When a medication is injected directly into muscle, it is called an intramuscular injection (IM). The Z-track method is a type of IM injection technique used to prevent tracking (leakage) of the medication into the subcutaneous tissue (underneath the skin).

Svyatoslav Malko

Explainer

Where is intradermal injection given?

Intradermal injection, often abbreviated ID, is a shallow or superficial injection of a substance into the dermis, which is located between the epidermis and the hypodermis. This route is relatively rare compared to injections into the subcutaneous tissue or muscle.

Anette Holtschmit

Pundit

What are the types of injection?

Needle insertion angles for 4 types of injections: intramuscular, subcutaneous, intravenous, and intradermal injection.

Suiju Mutu

Pundit

How deep should a subcutaneous injection be?

Subcutaneous injections can be given straight in at a 90 degree angle or at a 45 degree angle. Give the injection at a 90 degree angle if you can grasp 2 inches of skin between your thumb and first finger. If you can grasp only 1 inch of skin, give the injection at a 45 degree angle.

Eartha Mamouni

Pundit

What vaccines are given intradermal?

Efficacy and safety of ID vaccines in infants and children
  • Inactivated split influenza vaccine.
  • Poliovirus vaccine.
  • Rabies vaccine.
  • Hepatitis B virus vaccine.
  • Hepatitis A virus vaccine.
  • Measles vaccine.
  • Conjugated polysaccharide vaccine.

Nourreddine Krenger

Teacher

What is the use of IV injection?

The intravenous route is the fastest way to deliver medications and fluid replacement throughout the body, because they are introduced directly into the circulation. Intravenous therapy may be used for fluid volume replacement, to correct electrolyte imbalances, to deliver medications, and for blood transfusions.

Delma Griebel

Teacher

What injections are given subcutaneously?

A subcutaneous injection is administered as a bolus into the subcutis, the layer of skin directly below the dermis and epidermis, collectively referred to as the cutis. Subcutaneous injections are highly effective in administering medications such as insulin, morphine, diacetylmorphine and goserelin.

Stormy Gayoso

Teacher

What does intradermal mean in medical terms?

Medical Definition of intradermal
: situated, occurring, or done within or between the layers of the skin also : administered by entering the skin intradermal injections.

Andrei Prato

Teacher

Is insulin an intradermal?

Intradermal injection or infusion — which dispenses insulin into the first layers of the skin — is one of the methods that is being explored as a means of delivering the insulin more quickly. Today, intradermal shots help identify allergies, treat rabies, or test for exposure to illnesses such as tuberculosis.

Abderraouf Urquixo

Reviewer

How do you give an injection?

Hold the skin around where you will give the injection: With your free hand, gently press on and pull the skin so that it is slightly tight. Insert the needle into the muscle: Hold the syringe barrel tightly and use your wrist to inject the needle through the skin and into the muscle at a 90 degree angle.

Ludivino Barroeta

Reviewer

Why should you let the skin dry before giving an injection?

They suggest best practice by advising nurses to clean the skin prior to injection to reduce the risk of contamination from the patient's skin flora. Swabbing the injection site with a saturated 70% alcohol swab for 30 seconds and allowing to dry for 30 seconds is essential in order to reduce the number of pathogens.

Pelagia Blievernicht

Reviewer

What does Intragalactic mean?

Definition of intragalactic. : situated or occurring within the confines of a single galaxy.

Roshan Memis

Reviewer

What happens if an intramuscular injection is given subcutaneously?

Intramuscular injections are absorbed faster than subcutaneous injections. This is because muscle tissue has a greater blood supply than the tissue just under the skin. Muscle tissue can also hold a larger volume of medication than subcutaneous tissue.

Elda Celorico

Supporter

How long do subcutaneous injections take to work?

Subcutaneous means under the skin. In this type of injection, a short needle is used to inject a drug into the tissue layer between the skin and the muscle. Medication given this way is usually absorbed more slowly than if injected into a vein, sometimes over a period of 24 hours.