What is the clinical term for a painful headache?

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The clinical term for a painful headache is cephalgia. This term is derived from the Greek words "kephalē," meaning head, and "algos," meaning pain. It is a broad term that encompasses various types of headaches, including tension headaches, migraines, and cluster headaches. Understanding this term is essential in medical terminology as it provides a precise way to describe head pain in clinical settings.

While migraines and neuralgia refer to specific types or causes of headache pain, they do not encompass the entirety of what a headache might entail. Cerebral edema pertains to swelling in the brain, which can lead to headaches but is not a term used specifically to describe headache pain itself. Thus, cephalgia serves as the correct and most encompassing term for painful sensations in the head.