Explosive mini-rage in painful attack (8)

I believe the answer is:

migraine

I'm a little stuck... Click here to teach me more about this clue!

'painful attack' is the definition.
'migraine' can be an answer for 'attack' (I've seen this before). I'm not certain of the 'painful' bit.

'explosive mini-rage' is the wordplay.
'explosive' indicates anagramming the letters.
'mini'+'rage'='minirage'
'minirage' is an anagram of 'MIGRAINE'.

'in' acts as a link.

Can you help me to learn more?

(Other definitions for migraine that I've seen before include "Severe headache often accompanied by nausea" , "Intense headache" , "attack" , "It brings severe headache" , "causing suffering?" .)

I've seen this clue in The Sun.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.