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Injection sites & preparation
We only recommend two injection sites: the glute (ventrogluteal) and the deltoid. Watch these videos to learn how to prepare and inject safely.
How to prepare for an injection
Where to inject: glute & deltoid
IM (intramuscular): Glute (ventrogluteal — safest) and deltoid (small volumes only). Use 23-25g needle, 1-1.5 inch.
SubQ (subcutaneous): Abdomen, outer thigh. Use 27-30g needle, 0.5 inch. Best for volumes under 0.5ml.
Rotate between sites. Never inject into the quads, inner thigh, calves, or near visible veins.
When something goes wrong
Normal
Soreness for 1-3 days (PIP), small amount of blood, minor bruising, small lump from subQ leak. All resolve on their own.
See a doctor
Swelling worsening after 48h, spreading redness, pain beyond 5 days, fever after injection.
A&E / call 999
Abscess (hard, hot, painful lump), red line tracking from injection site, difficulty breathing. Tell medical staff what you injected. They need to know.