The short answer

Giving yourself a GLP-1 shot is usually simpler than it sounds — most pens are "press and click." There are two kinds: simple single-dose auto-injector pens (like the Wegovy pen) and multi-dose "dial-a-dose" pens (like Ozempic and the Zepbound KwikPen the Medicare Bridge covers). This is a general guide to walk you through it — but always follow the printed Instructions for Use that came with your pen and the training your nurse or pharmacist gave you, and never change your prescribed dose.

Before you start: what to have ready

  • Your pen (some people find it stings less at room temperature — check your instructions before leaving it out)
  • An alcohol swab (or soap and water)
  • A cotton ball or gauze pad
  • An FDA-cleared sharps container (no container yet? a heavy-duty plastic bottle with a tight lid, like a laundry-detergent bottle, works in a pinch — never put needles loose in the trash)
  • For dial pens (Ozempic, Zepbound KwikPen): a new pen needle

Step 1 — Check the pen

  • Confirm it is the right medicine, undamaged, and not expired.
  • Look at the window: the liquid should be clear and colorless. Do not use it if it is cloudy or has particles.
  • Make sure it is set to deliver the dose your doctor prescribed.

Step 2 — Pick and clean a spot

There are three approved areas: the lower stomach (stay at least 2 inches from your belly button), the front of your thigh, or the back of your upper arm (easiest with a helper).

  • Wash your hands.
  • Wipe the spot with the alcohol swab and let it air-dry completely — injecting while it is still wet is what stings.
  • Rotate to a different spot each week so the skin does not get lumpy or irritated.

Step 3 — Give the injection

If you have a single-dose auto-injector (Wegovy pen, or a single-dose Zepbound/Mounjaro pen) — the needle is built in and hidden, with no priming or assembly:

  1. Pull off the cap (or unlock the pen, depending on your model).
  2. Press the needle end firmly and straight against the clean skin.
  3. Keep pressing — you will hear a first click (it started) and see a colored bar move in the window.
  4. Hold for about 6 to 10 seconds, until the second click and the bar stops. That means the full dose is in.
  5. Lift the pen straight off.

If you have a multi-dose dial pen (Ozempic, the Zepbound KwikPen):

  1. Attach a new needle and remove its caps.
  2. Prime it as your instructions show (a drop appears) so you are not injecting air.
  3. Dial to your prescribed dose.
  4. Insert, press the button, and hold until the dose counter returns to 0, then count a few more seconds.
  5. Remove the needle and drop it in your sharps container right away.

Step 4 — After the shot

  • A tiny drop of blood is normal — press gently with gauze, do not rub.
  • Put the whole single-dose pen, or the used needle, straight into the sharps container. Never recap a needle by hand.
  • Jot down the date and which spot you used, so you remember to rotate next week.

Tips for a more comfortable shot

  • Let the pen warm to room temperature if your instructions allow — cold medicine can sting.
  • Let the alcohol dry fully before injecting.
  • Relax the muscle; a tense spot hurts more.
  • On dial pens, a fresh needle every time is sharper and hurts less.
  • Rotating sites prevents sore lumps.

When to call your doctor or pharmacist

  • If the pen jams or you are not sure the full dose went in.
  • For a missed dose — do not guess; your pen's instructions or your pharmacist will tell you exactly what to do.
  • For anything beyond mild redness — significant swelling, a spreading rash, or trouble breathing means seek care right away.
  • Your pharmacist can give you a hands-on demonstration the first time. Many are glad to — there is no shame in asking.

Where this fits in

If you have not started yet and you are on Medicare, the first questions are usually coverage and cost — see the Medicare GLP-1 guide and the 2-minute eligibility quiz, and use the provider directory to find a prescriber. Once you are going, our guides on stopping nausea and preventing muscle loss cover the rest of the early weeks.

Data note

Data as of June 2026. This is a general guide based on common GLP-1 pen instructions; pens differ, and yours may work slightly differently. Always follow the printed Instructions for Use that came with your specific pen and the training from your doctor, nurse, or pharmacist. This is educational, not medical advice, and does not replace your device's instructions. Never change your prescribed dose.