Mounjaro 2.5mg - When to move to 5mg?

Staying at the starting dose for an extended period while continuing an exercise routine is a less common approach but makes sense if results are consistent and side effect burden is low. The case for not titrating up is straightforward: if the current dose is still delivering and tolerance is good, there is no reason to change. Dose increases usually come when the current dose stops delivering results, not on a fixed calendar schedule.
 
The signal to move up is inadequate suppression, not a timeline. If food noise is gone and appetite is managed at 2.5mg, there's no reason to increase - the dose that controls symptoms is the right dose. Most people find their effective dose and stay; the question isn't 'when do I go higher' but 'am I controlled where I am.'
 
Three weeks at 2.5mg with only the day-of nausea is a clean tolerability profile. The standard is to stay at 2.5 as long as weight is moving and the side effect load is manageable - the escalation to 5mg is indicated by plateau, not timeline. If you're dropping and not suffering, staying at 2.5 is the right call. When stalling is the signal to consider moving up; the body tells you when. The harder side effect profiles at 5mg hit some people pretty hard, so there's no rush if 2.5 is working.
 
Three weeks at 2.5mg with only mild nausea is a good tolerance profile - standard next step is 5mg at the 4-week mark.
 
90% it's the Mounjaro causing what you're experiencing is a reasonable read at week 4. The double jump from 2.5 to 5 is where most people feel it most - nausea and fatigue tend to peak in weeks 2-3 at the new dose before settling. Sticking at 5 for a full 4 weeks before considering 7.5 is the right pace. How are the side effects tracking day to day?
 
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