Titration, properly explained
When to step up, when to hold, when to go back down, and why restarting after a gap is the one genuinely dangerous mistake.
Updated 2026-09-18
The climb is where people quit. Not the first injection, not the cost — the fortnight after a dose goes up and nobody told you that was normal, or that you were allowed to stop climbing.
The principle is simple: start low, go up slowly, and stop where it works. The complication is that "slowly" is a clinical judgement rather than a fixed schedule, and a lot of programmes run it as a calendar instead — which is how people end up at a dose their body was not ready for.
Permission to go slowly
You are allowed to hold. You are allowed to go back down. Neither is failure, and a programme that treats the four-week schedule as an obligation rather than a default is running a calendar, not your care. If the last increase has not settled, that is information for your prescriber, not a reason to push through.
The two ladders
| Step | Tirzepatide | Semaglutide |
|---|---|---|
| 1 | 2.5 mg — acclimatisation | 0.25 mg — acclimatisation |
| 2 | 5 mg — first therapeutic dose | 0.5 mg |
| 3 | 7.5 mg | 1 mg — therapeutic |
| 4 | 10 mg — trial dose (19.5% avg) | 1.7 mg |
| 5 | 12.5 mg | 2.4 mg — maintenance (14.9% avg) |
| 6 | 15 mg — maximum (20.9% avg) | — |
Each step is roughly four weeks. That is a default, not a rule, and the trial averages are averages rather than targets.
When to step up
- You have been at the current dose about four weeks.
- Side effects from the last increase have settled rather than merely become tolerable.
- The appetite effect has faded noticeably — this is the actual signal that a step is due.
- You are not in the middle of something that would make a rough fortnight unmanageable. Delaying a step around a holiday or a work deadline is entirely reasonable.
When to step back down
Going down a rung is a legitimate move and an under-used one. Reasons to consider it: side effects that have not settled after several weeks at a dose, appetite suppression so complete that you cannot eat enough protein, or having reached your goal and wanting a maintenance dose rather than a maximum one. Discuss it with your prescriber rather than simply taking less than you were prescribed.
Restarting after a gap
This is the one part of titration with a genuine safety hazard. Tolerance fades when you stop. If you have missed several weeks — through a supply problem, a lapsed subscription or a holiday — you generally should not resume at the dose you were on. Restarting high after a gap is how people end up severely unwell.
- Missed one dose and remembered within a few days: generally take it and carry on. Ask your provider for their specific guidance.
- Missed one dose and the next is nearly due: generally skip it rather than doubling up. Never take two doses close together.
- Missed several weeks: contact your prescriber before restarting, and expect to step back down.
- Changed products or concentrations: treat it as a fresh conversation, not a continuation.
Questions worth asking before you start
- How are dose increases decided — by a clinician reviewing my progress, or on a schedule?
- What happens to my price when my dose goes up?
- How do I request to stay at a dose for longer, and does that cost me anything?
- Who do I contact if an increase goes badly, and how quickly do they respond?
- What is your protocol if I miss two or three weeks?
Common questions
How long does titration take overall?
Reaching the top of the tirzepatide ladder takes around five months on a standard four-week schedule; semaglutide takes around four. Many people never reach the top, and do not need to.
Is it bad if I stay on a low dose?
No. 5 mg tirzepatide and 1 mg semaglutide are both genuinely therapeutic, and settling at a dose you tolerate beats reaching a maximum you abandon. The goal is the effect, not the number.
Can I titrate faster to get results sooner?
It is not advisable and a responsible prescriber will decline. The schedule exists to keep side effects survivable; compressing it mostly produces people who stop taking the medication.
Side effects at each step are covered in more detail under tirzepatide and semaglutide. This page is general information, not medical advice — your prescriber's instructions take priority over anything written here.
Read next
- The dose ladder
Why you start low, how fast you climb, and why the price of each rung matters more than people expect.
- What happens when you stop
Most people regain a substantial share of the weight. Here is what the research actually found, and what that means for how you plan and budget.
- GLP-1s after 50
These drugs work at any age. The risks are not identical at every age, and the muscle and bone question deserves more attention than it usually gets.
- Flat pricing at every dose
Programmes where the price does not rise as your dose does — which matters more over a year than most advertised discounts.
- How to read your prescription
What the abbreviations mean, and the mg-versus-mL distinction that is the one genuine hazard in this category.
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