I've felt this way before. My psychiatrist said it was symptoms of an anxiety attack. He told me it wasn't from missing the medication, but that if the symptoms continued, I'd be prescribed an anti-anxiety drug for panic attacks. I was eventually prescribed Aprazolam (Xanax) alongside my Paroxentine. But, I know those exactly feelings. They can be very scary. I'm sorry you're dealing with this.

I don’t quite feel like that after missing one day, but I did when I was weaning off it after being at higher dose for a year. If I miss a day I sometimes feel dizzy and a bit… swimmy? Like it’s hard to focus on anything.

Absolutely. I take 50mg and missing one dosage in the morning can have me breaking down abt nothing by night