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Curious about the SC and SQ medical abbreviations you’ve come across? Here’s a simple way to look at it.
SC and SQ are both abbreviations for subcutaneous, which means “under the skin.”
Healthcare workers use these terms when talking about injections given into the fatty tissue just below the skin. You might see SC (more common nowadays) or SQ written on medical instructions or labels.
Both mean exactly the same thing and are used interchangeably, so you don’t need to worry if you see either one.
A subcutaneous (SC or SQ) injection goes into the soft layer of fat between your skin and muscles. This area has fewer blood vessels, so the medication absorbs more slowly compared to a muscle injection.
Common areas of the body where these injections are given include:
These areas are chosen because they have enough fatty tissue and are easy to reach.
SC or SQ injections are used because they are simple, effective, and don’t require deep penetration into the body. They allow medications to be absorbed slowly and steadily, which is ideal for some treatments.
Situations where SC/SQ injections are preferred:
This method is less intimidating than other injection types and is often recommended for ongoing care.
Many types of treatments use the SC/SQ route because of its simplicity and effectiveness. These often include:
This method works well for people managing long-term conditions, offering a convenient way to receive necessary care at home.
Giving a subcutaneous injection may feel scary at first, but it becomes easier with practice. Here’s a simple step-by-step guide:
Both SC and SQ mean the same thing, but some organizations prefer SC because it avoids confusion with other abbreviations.
However:
If you’re ever unsure, you can simply say “subcutaneous,” and everyone will know what you mean.
Besides SC and SQ, you might also see the abbreviation subq in some places.
All of these mean the same thing: an injection given into the fatty layer under the skin.
When learning about SC or SQ, you may also notice other medical abbreviations for different ways medications are given. These show the route the medicine takes in your body:
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Please Note!This tool is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always consult a professional before taking any action.
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