Migraine Headaches Support Group
Migraine is a neurological disease, of which the most common symptom is an intense and disabling episodic headache. Migraine headaches are usually characterized by severe pain on one or both sides of the head and are often accompanied by photophobia (hypersensitivity to light), phonophobia (hypersensitivity to sound) and nausea.
Keep pursuing anxiety treatment, but definitely keep an eye on it. You might need a different med, yes - but you also may need to pursue some methods of grounding to push through the attack.