Published on: 7/4/2025
What is a bilateral headache and how is it different from other types?
A bilateral headache is a type of headache that occurs on both sides of the head. Bilateral headaches differ from unilateral headaches (which are headaches affecting only one side of the head). Various health conditions can cause bilateral headaches and the appropriate treatment may vary depending on the specific cause. If your headache is severe, frequent, worsening, and/or occurs with other symptoms (such as vomiting, weakness, or blurry vision), it is important to consult a healthcare provider for a personalized medical assessment and treatment plan.
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Explanation
A bilateral headache is a headache that affects both sides of the head. This is different from headaches that only occur on one side of the head. Headaches can be felt on both sides of the head include tension-type headaches and hypnic headaches -- more information about these and other types of headaches is available at https://www.brainandlife.org/disorders/headache.
In contrast, cluster headaches are an example of a type of headache that usually affects only one side of the head. Migraines often affect one side of the head in many adults, but it is also possible for migraines to affect both sides of the head.
If your headache is severe, frequent, worsening, and/or occurs with other symptoms (like vomiting, weakness, or blurry vision), it is important to consult a healthcare provider for a personalized medical assessment and treatment plan. Some people experience this type of headache every day, which is known as a chronic daily bilateral headache.\
(References)
- Solomon S, & Newman LC. (1999). Chronic daily bilateral headache responsive to indomethacin. Headache, 11279952.
- Durko A, & Bogucki A. (1984). [Bilateral occurrence of symptoms of Horton's headache .... Neurologia i neurochirurgia polska, 6527727.
- Hannerz J. (2000). Chronic bilateral headache responding to indomethacin. Headache, 11135030.
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