Trigeminal<unk>  cephalalgia (TAC) is the name for a type of primary headache that occurs with pain on one side of the head in the trigeminal nerve area and symptoms in<unk>  systems on the same side, such as eye watering and redness or drooping eyelids. TACs include * Cluster headache * Paroxysmal hemicrania (chronic or episodic) * Short-lasting unilateral neuralgiform headache attacks with conjunctival injection and tearing (SUNCT) * Short-lasting unilateral neuralgiform headache attacks with cranial<unk>  symptoms (SUNA) * Long-lasting<unk>  symptoms with hemicrania (LASH) TACs can be differentiated by the length and frequency of recurrence of the headaches. Treatment for TACs varies depending on the exact type, but can include medication such as Indomethacin (in the case of chronic paroxysmal hemicrania) or acute and prophylactic therapy (in the case of cluster headache).
Trigeminal autonomic cephalgia
Trigeminal trophic syndrome
Trigeminal neuralgia
Pseudobulbar palsy
Atypical trigeminal neuralgia
Todd's paresis
Bulbar palsy
Thunderclap headache