Head ache and Throe

Head ache noun - Pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs.

Throe and head ache are semantically related. in pain topic. In some cases you can use "Throe" instead a noun phrase "Head ache".

Throe noun - A sharp unpleasant sensation usually felt in some specific part of the body.

Head ache and throe are semantically related. Sometimes you can replace phrase "Head ache" with "Throe", this terms are similar.