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What's the difference between an injection and an infusion?

It can be confusing to understand the differences between injections, infusions, shots, and IVs. To shed light on these terms, and the distinctions between methods, we'll outline the processes and benefits of each, as a joint practice offering ketamine infusion therapy, and IV hydration infusions. 


An injection uses a syringe to deliver medication or fluids into the body. Injections can be placed into numerous parts of the body, usually in muscle. For example, injections of a vaccine may go into the arm muscle. This method allows for a rapid introduction of the substance directly into the bloodstream. 

Some of the injections we offer at Freedom IV Hydration Centers include: 

  • Skin Brightening (Gluthaione)

  • With active ingredients including gluthaione and vitamin C, these injections can fight dehydration, dull skin, fine lines, and even low energy.

  • B12

  • These energetic injections can provide a boost to fight fatigue and muscle weakness, and even enhance your mood. 

  • ImmunoBoosts

  • These can help fight infections by bringing in zinc, vitamin C, and glutathione.


Infusions are a slower, continuous administration of a substance into the body through an intravenous drip (also known as IV). This method involves a steady flow of the medication or fluid over time, using a sustained/controlled release. These infusions are usually placed through a needle in the arm or hand. You’re likely familiar with a saline drip during a hospital stay; those are examples of infusions. 

A woman getting an infusion and playing on her phone

Some of the infusions we offer at our practices include:

Ketamine Infusion Therapy:

Ketamine infusion therapy can help those battling mental health disorders such as treatment-resistant depression, PTSD, and chronic anxiety. These infusions are administered in a professionally-monitored environment, in slow doses, and usually over the course of about 40 minutes. Studies show they can be life-changing.

Infusions for Hydration:

IV hydration infusions deliver a combination of fluids and electrolytes directly into the bloodstream. These types of infusions are customizable based on patient deficiencies and needs, and are ideal for hydration and energy. 

Our sister practices, Freedom Ketamine Treatment Centers and Freedom IV Hydration Centers, take pride in offering cutting-edge ketamine infusion therapy and IV hydration services. Our physician-led team has been working in the DC, Maryland, and Virginia area since 2016, and ensures a personalized approach to each patient's unique needs. 

Understanding the nuances between injections and infusions is crucial for making informed decisions about your treatment options. Whether you’re seeking relief through ketamine infusion therapy or revitalizing your life with IV hydration, our team is ready to support your journey at any of our six locations. Contact us today to get started. 

The infusions provided and their benefits have not been fully evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

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