tension headache

https://doi.org/10.1351/goldbook.11802
Headache associated with anxiety or other states of distress, associated with chronic contraction of the scalp muscles.
Source:
PAC, 2015, 87, 841. (IUPAC Glossary of terms used in neurotoxicology (IUPAC Recommendations 2015)) on page 872 [Terms] [Paper]