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Published on: 7/15/2026
A stomach ache with a headache often occurs together and can signal several possible causes. Common reasons include migraines (which frequently trigger nausea and abdominal pain), stress or anxiety, viral infections like the stomach flu, food intolerances, or underlying gut conditions such as IBS. In some cases, dehydration or medication side effects may also be to blame.
Because the combination of symptoms can point to many different conditions—some minor, others requiring medical attention—it's worth getting clarity on what's actually happening in your body. Taking a free, instant, online symptom check can help you understand possible causes based on your specific symptoms and guide you toward the right next steps, whether that's home care or seeing a doctor. It only takes a few minutes and could save you hours of uncertainty.
Reviewed for medical accuracy: 07/14/2026
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Submit your own QuestionWhen you have a headache along with a stomach ache, one of the common reasons can be migraine. Migraines are strong headaches that sometimes come with tummy pain, nausea, or trouble eating.
Researchers have found that there is a connection between the gut and the brain, which means that changes in one can affect the other. This is known as the gut-brain connection. Stress, certain foods, or even skipping meals might trigger both headaches and stomach pain in some people.
Besides migraines, other conditions like tension headaches or problems with digestion could make you feel pain in your head and your tummy at the same time. It is also possible that feeling unwell in general, perhaps from dehydration or a minor infection, could lead to these symptoms.
If these pains happen often or become very strong, it's good to talk with a doctor. To help identify what might be causing your symptoms, you can check your symptoms with a free AI-powered tool that will ask questions about your health and provide personalized guidance on what to do next.
(References)
Vaccaro M, Moschiano F. A woman with abdominal pain and headache. Neurol Sci. 2009 May;30 Suppl 1:S141-3. doi: 10.1007/s10072-009-0062-6. PMID: 19415446.
Cámara-Lemarroy CR, Rodriguez-Gutierrez R, Monreal-Robles R, Marfil-Rivera A. Gastrointestinal disorders associated with migraine: A comprehensive review. World J Gastroenterol. 2016 Sep 28;22(36):8149-60. doi: 10.3748/wjg.v22.i36.8149. PMID: 27688656; PMCID: PMC5037083.
Aurora SK, Shrewsbury SB, Ray S, Hindiyeh N, Nguyen L. A link between gastrointestinal disorders and migraine: Insights into the gut-brain connection. Headache. 2021 Apr;61(4):576-589. doi: 10.1111/head.14099. Epub 2021 Apr 1. PMID: 33793965; PMCID: PMC8251535.
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