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8. Headaches

While headaches can occur alongside the keto flu, developing headaches without other symptoms is common as well. There are a few reasons why headaches are common with ketosis, including the reduction of sugar in the diet and dehydration Many people also cut back on caffeine by reducing soft drink or coffee consumption when making these dietary changes, so headaches for the first little while are to be expected. If they continue longer or become overwhelming, see a doctor.

older man with headache pinching his nose

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This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.