Anxiety attack or micro seizure

Am I being a hypocondriac? Anxiety issue?something serious? TLDR: I had an odd pain/felt something and almost fainted, previous TBI.

Soon to be 27 (M)

I've had a fair amount of stress with home/family and work life. I was driving home last night happy to be off early, singing with the radio and suddenly had an odd almost cramping pain at the back of my tongue that seemed to jump to the roof of my mouth to the back of my head. Only a split second. Then a faint dull headache in the back of my head. A moment of feeling faint, nearly like I almost backed out, sort of familiar to previous (called by a neurologist) anxiety attack. But I didn't get all the same as last time i.e. shallow breathing, tunnel vision, ears ringing. Kinda thinking that the oddity of the slight pain just scared me and I thought about it untill I was near fainting.

For context I had a wreck back in 2021 that resulted in mild tbi that kept me from work for about 6 months due to cognitive function issue. Thats why I wass seeinga neurologist at that time for him to be able to acess previous experience as anxiety. Also been recommended for surgery to correct pinched nerves from herniated disk in my back. (Lower back, middle, and base of my neck.)

For the couple hours after I just felt off and slow. Foggy. Not confused but irritated that something just didn't feel right and I dont need another problem in my life right now. I think I just started overthinking it all and made it worse. Felt like maybe slight heart palpitations but I only know what thats like because of experiencing them during anxiety attack or the rare occasion I drink way too much and have a bad hangover the next day.

Over all I still feel overly self aware and slightly distant.

Common anxiety attack type issue? Micro seizure? Something more? Do I just need to rest and relax? Hard to do with 2 jobs and needy, problematic family. Or could it be a real issue related to previous tbi?

I think a part of the worry is that my gfs family member about 30-35 had a suddent heart attack and died recently. I dont wanna leave my family without a provider. Also dont wanna waste thousands of dollars on medical tests( i been saving for a lawyer to help my niece who's been abused) if I'm just overthinking a slight panic attack. Therapy is expensive.