Bleeding After an Injection

Bleeding After an Injection

If you're not sure what you're doing, please book an Injection Training Session with one of our nurses. You can do so as an add-on through the Treatment Recommendation form.

Experiencing bleeding after an intramuscular (IM) injection occasionally is relatively common and typically not a cause for alarm. This situation can arise due to various factors, such as inadvertently nicking a small blood vessel during the injection process. The human body contains numerous small blood vessels in the muscle and subcutaneous layers, making it possible to pierce one with the needle either while inserting or withdrawing it.

The choice of needle size and the technique applied during the injection can also influence the likelihood of post-injection bleeding. Although a consistent technique may have been employed, slight variations in anatomy or differences in the exact injection site could lead to varying outcomes.

Concerning the depth of the injection, utilizing 90% of a 1.5-inch needle is generally adequate for reaching muscle tissue. However, individual anatomical differences or minor deviations in the chosen site for injection can impact this.

Rapid withdrawal of the needle might cause a bit more bleeding compared to a slower removal, though this factor is not usually the main cause of bleeding.

Immediate application of direct pressure to the injection site after needle withdrawal for a minute or two can effectively manage bleeding. This approach helps stop the bleeding and aids in closing the skin’s puncture site.

Should there be continuous bleeding, significant swelling, signs of infection (such as redness, warmth, persistent pain, or fever), or if bleeding after injections becomes a recurring issue, seeking advice from a healthcare provider is recommended. They can evaluate the injection technique and site, offering necessary adjustments or advice.

Rotating injection sites for regular injections is advised to minimize tissue damage and the risk of complications. Monitoring the injection site for any adverse reactions in the following days and maintaining proper hygiene practices are also crucial to prevent infection.


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