When Is a Headache Serious? The Red Flags Doctors Look For
Most headaches are harmless. A doctor explains the warning signs that need urgent attention, migraine versus tension headache, and how painkillers cause headaches.
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Brain and Nerves
Which headaches and nerve symptoms need a doctor, and which do not?
Headache was the most searched symptom in India in 2025. Almost all headaches are harmless, a few are not, and knowing the difference is the point of this section.
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