Mirtazapine
"Instant side effects, all extreme.
 Lightheadedness,dry mouth; to the point it made not just my inner mouth dry, but my throat. Irritable isn't even the correct word. I was extremely angry, mad, and hostile for reason. That I can't even explain. My perception of depth was horrible. It took me 3 times just to pick something up off my counter. Every time I leaned to grab It, It seemed as if the object was further away.Definitely do NOT DRIVE!! I thought there was no way I would be able to have all of these side effects right away, and I was wrong. I went to the store to grab slushy for my children. When I came back outside to get into the Car; I realized that I 
Was directly parked over the dividing line for 2 parked vehicles. HATED this med"