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Headaches on a GLP-1 often trace back to something simple: eating and drinking much less than your body is used to.
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A drop in appetite can quietly cut how much you drink as well as eat.
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Headaches are more likely in the early weeks when eating patterns change fastest.
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Set a daily water target and spread it through the day.
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Eat something small every few hours instead of skipping meals.
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A sudden, severe headache, the worst of your life: call 911.
Headache is listed in some GLP-1 label tables, though it also occurs in placebo groups. Low fluid intake, skipped meals and caffeine changes are common dri
Tap below for the full page. Not medical advice; talk to your clinician about your care.