How to Give a Heparin Shot

Co-authored by Marsha Durkin, RN

Last Updated: June 30, 2022 References

Heparin is a blood thinner commonly used to prevent blood clots that may form as a result of many different medical conditions, treatments, and circumstances. ^{[1]
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MedlinePlus
Collection of medical information sourced from the US National Library of Medicine
Go to source} Heparin may be used to keep blood flow smooth during dialysis, during blood transfusions, after surgical procedures, and in many other cases. Due to its potentially serious impact on your body, heparin should only be used under the guidance of a medical professional. Giving heparin, though, is a simple procedure. As long as you verify the medicine is safe, properly prepare it, and inject it in a recommended fashion, you shouldn't have a problem giving a heparin shot.

Part 1

Part 1 of 3:

Examining Heparin Before Use

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Heparin should be stored at room temperature. It should not be exposed to heat, extreme cold, or direct light. If your medicine has frozen at some point, you'll need to discard it. ^{[2]
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After you've made sure the medicine has been stored appropriately, look at the expiration date. Verify that the medicine is still good. If it is not, do not use it. ^{[3]
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3
Note the prescribed amount. Before injecting heparin, you need to make a good note of the amount of the drug you need to inject. This is important, as too little of the medication won't have the desired effect and too much could hurt you. ^{[4]
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MedlinePlus
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- It is best to write down the amount of heparin you need to inject so you'll know how much you need to fill your syringe with.

Part 2

Part 2 of 3:

Preparing Heparin

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1
Wash your hands. Before you handle the syringe or vial of heparin, you should wash your hands thoroughly. This is important, as failure to wash your hands could introduce bacteria to the syringe – resulting in infection at the injection site. ^{[5]
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- Use antibacterial soap.
2
Remove the cap and roll the vial. Your vial of heparin will be covered with a plastic cap. Make sure to remove the cap and discard it. Then, take the bottle in your hands and slowly roll the bottle back and forth. This will mix the medicine in preparation for injection. ^{[6]
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- Do not shake the bottle.
This will sanitize it and lower the chances of infection. If you don't wipe the top, you could introduce bacteria into your body. ^{[7]
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Remove the cap of the needle and avoid touching it. Then, pull back the plunger of the syringe to the point that corresponds with the amount of medicine you will need to inject. This will fill the plunger with air. ^{[8]
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Firmly insert the needle into the rubber stopper of the vial. Push it in a steady fashion. Then push the plunger of the syringe down. This way, the air from the syringe will go into the vial. ^{[9]
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6
Turn the bottle upside down and pull back the plunger. After you injected air into the vial, you'll need to flip the bottle upside down while the needle is still in it. Then, pull the plunger back to the point specified by the prescription. ^{[10]
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- Make sure the liquid covers the needle tip or you will pull back air rather than the medication.
- Review the dosage amount with the doctor or nurse before leaving with your prescription. Make sure not to fill the syringe with any more or any less of the medicine than the doctor has recommended.
Carefully withdraw the needle from the bottle. Then, place the bottle down. At the same time, make sure the needle doesn't touch anything. ^{[11]
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MedlinePlus
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Go to source} Then, hold the syringe needle up, tap to remove air bubbles, and prepare the syringe by pushing the plunger down. This will move the heparin into the needle, making it ready for insertion.

Part 3

Part 3 of 3:

Injecting Heparin

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1
Pick a spot to give the injection. Choose a spot on your body where you want to give yourself the shot. You can inject it into your abdomen, thighs, or the outer deltoid area of your upper arm. Ultimately, the site of injection is up to you. To decide, you may want to consider the discomfort involved and possible bruising. ^{[12]
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- Don't give yourself a shot into any area of your body that is bruised, swollen, or tender.
- Don't give your heparin shot within 1 inch (2.54 cm) of a scar or 2 inches (5.08 cm) of your bellybutton.
Using your fingers and a thumb, pinch some of your skin together. By doing this, you'll create an area of extra skin and fatty tissue where you can inject the heparin. If you don't do this, you could wind up injecting the heparin into your muscle. ^{[13]
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Take the syringe and push it into your skin at a 45-degree angle. Make sure you push the needle all the way into the pinched-up fold of your skin and into your fatty tissue. ^{[14]
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4
Push down on the plunger. After you've inserted the needle, push the plunger down in a slow and steady manner. This will release the heparin into your fatty tissue. Make sure not to push down too quickly, as you need to provide time for the heparin to spread out from the site of injection. ^{[15]
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- Leave the needle in for 5 seconds after you've pushed the plunger down.
5
Remove the needle and bandage yourself. Steadily withdraw the needle at the same angle you inserted it. Place the syringe down and press a piece of gauze against the injection site. Hold it until the injection point no longer bleeds. ^{[16]
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- Discard the gauze and cover the injection site with a Band-Aid.
- Discard the needle in an appropriate container. ^{[17]
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Tips

For optimal results, always rotate your injection sites so that the medicine is put in through healthy tissue.

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Every time you give yourself a shot, write down injection documentation, dosage, site, time, and date information.

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Try using an old laundry detergent container as your disposal container.

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Warnings

Make sure to label your disposal container “sharps container."

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Always keep heparin and needles out of reach and away from children.

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Things You'll Need

Heparin
Needles
Syringes
Alcohol wipes
A disposal container for needles and syringes

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How to Give a Heparin Shot

Steps

Examining Heparin Before Use

Preparing Heparin

Injecting Heparin

Expert Q&A

Tips

Warnings

Things You'll Need

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