GLP-1 side effects, with the source named

These pages collect what official sources say about side effects people commonly ask about on GLP-1 medication. They quote published information from the NHS, MedlinePlus, US FDA medicine labels, the European Medicines Agency and Ireland’s HSE, with every source named and linked. You can browse by symptom or by medication. Doser looks information up. It does not assess you or tell you what a symptom means, and these pages are not a substitute for medical advice. Every side-effect page links to the same “when to get medical help” list, so that is always one step away if something worries you.

By symptom

• NauseaWhy nausea is listed for GLP-1 medicines, what the NHS and FDA labels say about it, how to log it with severity and when it means calling a doctor.
• ConstipationConstipation appears on every major GLP-1 label. Read what official sources say, what they suggest asking your pharmacist and which signs need urgent care.
• DiarrheaA plain summary of how official sources describe diarrhea on GLP-1 medicines, with the fluid warning signs they list and a quick way to log episodes.
• Acid refluxHeartburn and reflux are listed side effects for several GLP-1 medicines. See which labels mention them, what sources say and how to track flare-ups.
• FatigueFeeling unusually tired after a dose? Here is what official sources list about fatigue, what to note in your log and what to raise at your next appointment.
• HeadacheHeadache is listed for some GLP-1 medicines. Read the sourced overview, log when headaches start relative to your dose and know which signs need help.
• Injection site reactionsSmall lumps, redness or itching where you inject: what official patient leaflets say, why rotating sites matters and which reactions need a doctor.
• Hair lossHair loss is reported by some people on GLP-1 medicines and appears on certain labels. Here is what the sources actually say, without the guesswork.
• Sulfur burpsEggy-smelling burps come up often in GLP-1 forums. Find out what official sources list under burping and indigestion, and how to log it.
• Side effects week by weekWhen side effects are most often reported, from the first doses to dose increases, based on official sources. Use it to know what to log and when.
• When to get medical helpThe warning signs official sources say should not wait, such as severe stomach pain or signs of an allergic reaction. The same list for everyone, always free.

By medication

• Ozempic side effectsOzempic side effects listed in the official US label and the EU product information, grouped by how common they are, with every source linked.
• Wegovy side effectsWhat the official Wegovy label lists for the pen and the tablet, from common stomach effects to the warnings that need urgent attention.
• Mounjaro side effectsMounjaro side effects from the FDA label and EMA product information, sorted by frequency, with notes on what tends to appear after dose changes.
• Zepbound side effectsRead the side effects listed in the official Zepbound label, how often each was reported and which symptoms the label says need prompt medical care.
• Rybelsus side effectsA sourced summary of Rybelsus side effects from the official label, including the stomach effects people notice first and the warnings to know.
• Trulicity side effectsTrulicity side effects as listed by the FDA and EMA, from nausea and diarrhea to the less common warnings, with each source named and linked.
• Saxenda side effectsThe side effects listed for Saxenda in official product information, how often they occur and what the leaflet says to watch for with daily use.
• Foundayo side effectsAn early, sourced look at Foundayo side effects based on the official label, updated as regulators publish more, with each source linked.

Featured

• NauseaWhy nausea is listed for GLP-1 medicines, what the NHS and FDA labels say about it, how to log it with severity and when it means calling a doctor.
• ConstipationConstipation appears on every major GLP-1 label. Read what official sources say, what they suggest asking your pharmacist and which signs need urgent care.
• DiarrheaA plain summary of how official sources describe diarrhea on GLP-1 medicines, with the fluid warning signs they list and a quick way to log episodes.