<s>[INST] Can a UTI cause a headache? [/INST] Headache is not a common symptom of a UTI. If you have a severe, recurrent or long-lasting headache, you should seek medical attention. Source: The Thread. Link: https://blog.walgreens.com/health/general-health/uti-faqs-important-facts-on-urinary-tract-infections.html. Field: Urology. Disease: Urinary Tract Infection  </s>