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GLP-1 Decoder

Semaglutide Headache: How Common, How Long It Lasts

Yes. Headache is listed in the Wegovy label at 14% on 2.4 mg. Placebo in the Wegovy trials: 10%.

Labels that list it
1 of 3
Highest rate
14% Wegovy

Wegovy overview

How long it remains in your body
100%50%25%0%07 d14 d21 d28 d35 d50%25%12.5%time after the dose

Its half-life is about 1 week. After 7 d, half is gone, and about 3% remains after five half-lives (35 d).

Body weight lost in the main trial
Wegovy (STEP 1)14.9%Placebo2.4%

In STEP 1 at 68 weeks, people lost 14.9% of body weight, compared with 2.4% on placebo.

Costs as time goes on
202520262027$1,349.02$0List priceSelf-pay

Monthly price points in US dollars cover the list price and self-pay offers. Each comes from the maker’s price page.

Sources: FDA label (DailyMed), healthsystemtracker.org, prnewswire.com 1 2.

Semaglutide or placebo: how often does it show up?

Label trials show Semaglutide headache rates for each dose group. In that trial, the comparison group received placebo.

Headache appears in semaglutide labels
Medicine and doseHeadachePlaceboMore than placeboPeople in the trials
Wegovy 2.4 mg14%10%+4 pointsAdults with obesity or overweight (weight management)
Wegovy 2.4 mg8%7%+1 pointsAdults with obesity (7.2 mg dose trials)
Wegovy 7.2 mg9%7%+2 pointsAdults with obesity (7.2 mg dose trials)
Wegovy 2.4 mg17%16%+1 pointsChildren 12 and older with obesity

Source: Wegovy label (DailyMed).

Headache: semaglutide compared with other GLP-1s

Each label describes its own trials, which involved different groups of people. Use these results as a rough guide.

The table lists the pill forms too: Foundayo.

Headache across GLP-1 labels
MedicineHighest rate in the labelDose groupPlaceboPeople in the trials
Wegovy14%2.4 mg10%Adults with obesity or overweight (weight management)
Saxenda13.6%all doses12.6%Adults with obesity or overweight (weight management)
Victoza11%1.2 mg7%Adults with type 2 diabetes
Foundayo9%9 mg7%Adults with obesity or overweight (weight management)
Byetta9%all doses6%Adults with type 2 diabetes
OzempicNot listed–––
RybelsusNot listed–––
MounjaroNot listed–––
ZepboundNot listed–––
TrulicityNot listed–––

Sources: Wegovy label (DailyMed), Foundayo label (DailyMed), Saxenda label (DailyMed), Victoza label (DailyMed), Byetta label (DailyMed).

Source: FDA label (DailyMed).