I was in a packed grocery store today. lights were weird, tons of people and i started feeling like i was going to faint or have a seizure in public. i had hot flashes at that moment too. is it related to anxiety? after i went to my fianc a few min later

Panic attack: It sounds like you may have experienced a panic attack, which can occur out of the blue or in the context of an ongoing depression or anxiety disorder. These can also be brought on by various substances like caffeine, amphetamines, etc. If this was your first-ever episode, please see your family doctor for a general checkup; you can see psychiatrist for eval and treatment of this condition.

Adrenaline attack: Your body has special agents it produces to react to stress situations. Your body went into over production of the agent that stimulates heart and blood flow activity. It may have been just anxiety, but other physical causes need to be evaluated. Blood pressure, kidney function, hormone function, and neurological disorders need to be evaluated. Get a good checkup.

Panic Attack?: It seems u may had a panic attack.Talk with u pcp about it and he can give u medication and refer u for therapy.