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Can I take Mounjaro during Ramadan?

GLP Guidebook teamUpdated 12 Oct 20266 sourcesWritten from published sources
The short answer

Often yes, with planning. International Ramadan guidance from IDF-DAR (2021) says people with type 2 diabetes on a GLP‑1 such as Mounjaro (tirzepatide) need no change if the dose was settled at least 2 to 4 weeks before Ramadan. UAE doctors advise agreeing any dose change before Ramadan starts, not midway.

Before you go further
  • Most of the evidence on GLP‑1s in Ramadan comes from people with type 2 diabetes, on older medicines such as liraglutide.1
  • Whether an injection affects the fast is a religious question; what named authorities have said is in Does a GLP‑1 injection break my fast?

When should the dose be settled?

IDF-DAR 2021 says GLP‑1 medicines need no further changes in Ramadan if the dose was raised to its target at least 2 to 4 weeks before.1

A UK pharmacy journal, The Pharmacist, suggested in July 2026 4 to 6 weeks, so stomach side effects can settle, and holding off a dose rise if Ramadan is close.2 Gulf News, reporting UAE doctors' advice in February 2026, said any dosing decision should be made with a doctor "before Ramadan begins, not improvised midway through the month". One doctor said patients who are stable on their dose "can usually continue without adjustment".3

When should you inject?

The Pharmacist, a UK pharmacy journal, suggests injecting after Iftar, which may ease nausea, or after Suhoor, which may help you feel full through the fasting day.2

Keep the same injection day, and avoid changing the day and the dose in the same week.2 Tablets are different. The Wegovy pill is taken on an empty stomach with a little water, then nothing for 30 minutes,4 so in Ramadan it fits at Suhoor, before dawn.2

Which risks go up when you fast on Mounjaro?

Fasting on a GLP‑1 raises the risk of dehydration, and of low blood sugar for people who also take insulin or a sulfonylurea.2,3

UAE doctors suggest two to three litres of water spread between Iftar and Suhoor, and not skipping Suhoor.3 They advise a medical review for persistent vomiting, severe stomach pain or signs of dehydration.3 The Pharmacist says to break the fast straight away for low blood sugar.2 Food and daily life on a GLP‑1 are covered in Guide 8.

Get help now: call 998 for an ambulance, or 999, if you have severe pain in the stomach and back that does not go away, which the EU Mounjaro leaflet lists as a sign of an inflamed pancreas, or if you have breathing problems or fast swelling of the lips, tongue or throat.5,6

Read the full picture

Related questions

Does a GLP‑1 injection break my fast? How much is the Wegovy pill in the UAE? Can I leave Mounjaro out of the fridge in UAE heat? How do I report a side effect in the UAE?
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Sources

  1. International Diabetes Federation and DAR International Alliance. Diabetes and Ramadan: Practical Guidelines 2021 (GLP-1 RAs "appropriately DOSE-TITRATED prior to Ramadan (at least 2–4 weeks)" need no further changes; insulin by the subcutaneous, intramuscular or intravenous routes does "not cause a breaking of the Ramadan fast"; a chapter records the Mufti of Egypt's approval of its fasting risk categories). idf.org (PDF)
  2. Cahal McQuillan. Fasting and weight-loss medications: what to advise your patients. The Pharmacist (UK trade press), 29 Jul 2026 (injecting after Iftar may ease nausea, after Suhoor may help fullness; avoid changing day and dose together; a tablet taken in fasting hours "would break the fast"; break the fast for low blood sugar). thepharmacist.co.uk
  3. Gulf News. Can you take Ozempic while fasting during Ramadan? UAE experts weigh in (a UAE internal-medicine specialist and an endocrinologist: dosing decisions made "with a doctor before Ramadan begins, not improvised midway through the month"; stable patients "can usually continue without adjustment"; "two to three litres of water" between Iftar and Suhoor; seek review for "persistent vomiting, severe abdominal pain, or signs of dehydration"). 16 Feb 2026. gulfnews.com
  4. Novo Nordisk. Wegovy (semaglutide) injection and tablets, US prescribing information, revised 06/2026: tablets 1.5 mg for days 1 to 30, 4 mg for days 31 to 60, 9 mg for days 61 to 90, then 25 mg; take on an empty stomach in the morning with up to 4 ounces of water and wait at least 30 minutes; Study 7 (64 weeks): body weight −13.6% on 25 mg tablets vs −2.4% on placebo; adverse reactions led 6.9% to stop vs 5.9% on placebo, most often gastrointestinal; warnings include acute pancreatitis, acute gallbladder disease, hypoglycaemia with insulin or a sulfonylurea, and a boxed warning on thyroid C-cell tumours. US label. accessdata.fda.gov (PDF)
  5. European Medicines Agency. Mounjaro (tirzepatide) product information (SmPC sections 4.1, 4.8 and 6.3: weight management at BMI ≥ 30, or ≥ 27 with a weight-related condition; nausea and diarrhoea very common; gallstones and acute pancreatitis uncommon; KwikPen after first use 30 days in a fridge or below 30 ºC). EU label; UAE label text not checked. ema.europa.eu (PDF)
  6. Department of Digital Ajman. Handling emergencies ("999 for Police", "998 for Ambulance", "997 for Fire Department (Civil Defence)"). ajman.ae

Last checked 12 Oct 2026 · Next review due 12 Oct 2027 · Report an error

How this answer was made. Written by the GLP Guidebook team from the sources above, all checked on 12 Oct 2026. It's general information, not medical advice, and religious questions are for a scholar you trust. Talk to a UAE-licensed doctor or pharmacist before starting, stopping or changing any medicine. How we write