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You’re asking a common question: you’ve been taking Mounjaro (a prescription drug for weight loss and diabetes) at 15 mg and your weight hasn’t budged for months, so you’re wondering whether to stop or keep paying for it. This is a real dilemma for a lot of people on these newer drugs: they work well at first, then hit a plateau. The quick answer is: don’t decide overnight—there are sensible steps to consider, and stopping abruptly may not be the best move. Talk to your prescriber before changing anything. Mounjaro is the brand name for tirzepatide. It’s a manufactured peptide (a small protein-like molecule) that acts on hormone receptors in your body to reduce appetite and help control blood sugar. Think of it as a chemical that mimics signals your gut and brain use to say “you’re full” and to regulate insulin. It’s given by injection and was studied for diabetes and weight loss. It’s not a one-time cure—its effects often depend on dose, time, diet, and other behaviors. What people report and what the studies show match up: many users see big weight drops in the first months, then slower progress or a plateau. Clinical trials show significant average weight loss, but individuals vary. Some people hit a steady state where weight holds for weeks or months. That stall can happen even though the drug is still working to reduce appetite and improve metabolism. The evidence on whether increasing dose, adding lifestyle tweaks, or switching drugs helps is mixed and personal. Most of the good data are from clinical trials with regular follow-up, not from uncontrolled self-experiments, so your doctor’s input matters. Why this matters to you: these drugs are expensive and require ongoing cost and planning. If you’re paying out of pocket and seeing no progress, it’s reasonable to reassess. But before quitting, consider whether the medication is still helping in other ways (less snacking, better blood sugar, less craving), whether lifestyle adjustments (diet, strength training, sleep, stress management) could break the plateau, or whether a dose change or different medication might help. A pause or stop can lead to weight regain; continuing might still preserve health gains even without more weight loss. Caveats and risks: don’t stop or change doses without talking to your prescriber. There can be side effects (nausea, diarrhea, gallbladder issues, rare pancreatitis) and some people can’t take or should avoid these drugs. Long-term safety and what happens when people stop are still being studied. Insurance coverage varies, and doctors can help weigh cost versus benefit. If you decide to stop, plan for it—work on sustainable habits and monitor any return of blood-sugar issues if you have diabetes. Bottom line: a plateau is common and not an automatic reason to quit, but it is a good trigger to review goals, side benefits, costs, and options with your clinician so you can make an informed choice.
Source: r/Mounjaro