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Tirzepatide and Semaglutide Injection Guide

Medical Weight Loss Offered in Chesterfield MO, Dallas Texas, Missouri, Illinois, Texas, Kansas, Florida, Delaware, Arizona, New York, Tennessee, Ohio, Michigan, Nevada and Washington State.

Starting your weight loss journey with tirzepatide is simple, safe, and highly effective when done correctly. This guide will walk you through exactly how to prepare and administer your weekly injection with confidence.
Tirzepatide
What Is Tirzepatide and Semaglutide?
Tirzepatide/Semagluide are GLP-1s! They are a once-weekly injectable medication that helps regulate blood sugar, reduce appetite, and promote sustainable weight loss. It works by targeting key metabolic pathways to help your body burn fat more efficiently and reduce cravings.
What You’ll Receive

Your medication kit includes everything you need:

  • Tirzepatide/Semaglutide vial
  • Syringes
  • Alcohol prep pads

If anything is missing, please contact our team before administering your dose.

Tirzepatide Vial Picture


Young lady holding vials
Dosing Schedule
  • Inject once weekly
  • Choose the same day each week
  • Take at any time of day, with or without food

Your provider will guide your dose titration schedule to ensure optimal results and minimize side effects.

Washing hands
Before You Start
  • Wash your hands thoroughly
  • Clean a flat workspace
  • Remove medication from the refrigerator 5–10 minutes before use
Extracting Tirzepatide
Step 1: Prepare Your Dose
  1. Clean the top of the vial with an alcohol pad
  2. Remove the cap from the syringe
  3. Pull back the plunger to draw in air (equal to your dose)
  4. Insert needle into vial and inject air
  5. Turn vial upside down
  6. Draw the prescribed dose into the syringe
  7. Remove air bubbles by gently tapping the syringe  
Abdomen injection
Step 2: Choose an Injection Site

Tirzepatide/Semaglutide is injected into the fatty tissue (subcutaneous layer).

Recommended areas:

  • Abdomen (at least 2 inches from the belly button)
  • Front of thighs
  • Back of upper arms

Rotate injection sites weekly to prevent irritation.

Applying Abdomen injection
Step 3: Inject the Medication
  1. Clean the injection site with an alcohol pad
  2. Gently pinch the skin
  3. Insert the needle at a 90° angle
  4. Slowly push the plunger until all medication is delivered
  5. Wait 5 seconds before removing the needle
Dispose of the syringe in a sharps container
Step 4: After Your Injection
  • Dispose of the syringe in a sharps container
  • Do not reuse needles
  • Return medication to the refrigerator immediately
Syringe Refrigerator
Storage Instructions
  • Keep refrigerated (36°F–46°F)
  • Do not freeze
  • Protect from direct light
  • Keep out of reach of children
Happy middle aged couple
Tips for Best Results
  • Stay consistent with your weekly schedule
  • Follow your provider’s dosing plan carefully
  • Stay hydrated and prioritize protein intake
  • Expect gradual, sustainable weight loss
Middle aged lady without appetite
Common Side Effects

Some patients may experience:

  • Nausea
  • Decreased appetite
  • Mild fatigue
  • Constipation

These are typically temporary and improve as your body adjusts.

Happy lady making a call
When to Contact Your Provider

Reach out to our team if you experience:

  • Severe or persistent nausea/vomiting
  • Signs of dehydration
  • Injection site reactions that worsen
  • Any concerns about your dosing
Tirzepatide Vial Picture


You’re Not Alone
At STL Medical Weight Loss, we provide ongoing medical support throughout your journey. If you have any questions about your medication, dosing, or results, our team is here to help.
Ready to Get Started?

Book your consultation today and take the first step toward lasting weight loss.