What the 3.75 mg Dose Stage Means in Practice
Mounjaro is a once-weekly injectable medicine whose active substance, tirzepatide, acts on both GLP-1 and GIP receptors involved in appetite regulation. According to the electronic Medicines Compendium (eMC), the medicine is typically started at a low dose and increased incrementally over a number of weeks — a process called titration — to help the body adjust and to minimise side effects.
Where 3.75 mg fits in the titration schedule
The commonly referenced dose strengths for Mounjaro range from 2.5 mg up to 15 mg. The 3.75 mg level sits between the starting 2.5 mg dose and the next standard step of 5 mg of Mounjaro. Not every titration pathway includes this exact step — your prescriber will determine the schedule that is right for you, which may or may not pass through 3.75 mg.
How this compares with other dose stages
If you are curious about the dose stage directly below, you can read about the lower Mounjaro dose stages, or explore what moving up to the next stages of the Mounjaro dose schedule generally involves. Understanding the full titration picture can help you have more informed conversations with your prescriber at each review.
A note on Wegovy at this stage
People sometimes search for Wegovy 0.75 mg alongside Mounjaro 3.75 mg, as both represent intermediate titration steps on their respective medicines. Wegovy (semaglutide) follows its own separate dose schedule and mechanism — it is a GLP-1 receptor agonist rather than the dual GIP and GLP-1 agonist that tirzepatide is. If you have questions about which medicine or dose is right for you, that conversation belongs with your prescriber.
Side effects at this stage
Gastrointestinal effects such as nausea, constipation, or indigestion are commonly reported during titration and may be noticeable around a dose step. These often ease as the body settles at a given level. If side effects feel severe, persistent, or concerning at any point, contact your healthcare professional — do not wait until your next scheduled appointment. You can also read more about what to expect at the 3.75 mg stage in more detail.
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Tracking Your Dose Schedule with GLP Trackr
Keeping an accurate record of where you are in your titration is one of the most practical things you can do while on Mounjaro — and that is exactly where GLP Trackr's dose logging feature comes in.
Every time you take your weekly injection, you can log the dose strength, date, and time directly in the app. This means you always have a clear, timestamped record of your current dose stage — useful for your own peace of mind and genuinely helpful to bring to your next prescriber appointment. The app's doctor report feature lets you pull together a summary of your dose history alongside weight changes and any side effects you have logged, so your prescriber has the full picture when deciding whether to adjust your schedule.
You can also set a dose reminder so a weekly injection is never accidentally forgotten — consistency matters throughout the titration process.
Any decision about your dose — including whether to stay at 3.75 mg, move up, or pause — should always be made with your prescriber, never independently. GLP Trackr helps you record and report your journey; it is not a substitute for that clinical guidance.
Ready to keep your titration on track? Download GLP Trackr on the App Store or Google Play and start a free 7-day trial — your dose history, reminders, and progress summaries all in one place.
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Start every day with a 60-second wellness check-in. Log how you're feeling, track nausea, appetite, energy, and mood — giving you and your care team a complete picture of how your medication is working.
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Log every dose with a single tap. Track your dose history, phase in your cycle, estimated medication levels, and upcoming injection dates — with reminders so you never miss a scheduled shot.
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Staying hydrated is especially important on GLP-1 medications. Set daily water targets, log intake throughout the day, and receive smart nudges when you're falling behind your goal.
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Beautiful, easy-to-read charts show your weight loss trajectory, weekly nutrition trends, medication responses, and wellbeing scores over time — turning raw data into genuine insights.
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Log walks, workouts, and movement with activity targets that flex with your energy levels. On lower-energy dose days, gentler targets keep you moving without burning out.
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Frequently asked questions.
Mounjaro 3.75 mg is an intermediate dose strength of tirzepatide, sometimes used during the gradual titration process. It sits between the 2.5 mg starting dose and the 5 mg step. Whether this dose is included in your schedule is a decision made by your prescriber.
Dose decisions for Mounjaro are made by your prescriber or doctor based on your individual response, tolerability, and medical history. Titration is gradual by design to help minimise side effects. You should never adjust your dose without guidance from your healthcare professional.
If you miss a dose of Mounjaro, contact your prescriber or refer to the patient information leaflet that came with your medicine for guidance. Do not double up or change your schedule independently. You can log a missed dose in GLP Trackr to help you discuss it at your next appointment.
Nausea and other gastrointestinal effects are commonly reported during Mounjaro titration and may be noticeable around a dose step. For many people they ease over time. If symptoms are severe, persistent, or worrying, speak with your healthcare professional promptly rather than waiting.
GLP Trackr lets you log each weekly injection with the dose strength, date, and time. You can set dose reminders and generate a doctor report summarising your dose history and progress — useful for prescriber appointments. The app supports your journey; all dose decisions remain with your prescriber.