Methotrexate symptoms

Stephanie
Was in the ER for an ectopic pregnancy last Friday (D&C because they couldn't find anything on the sono, then the shot when they didn't.) I've been a little nauseous and cramping, which I expected, but I've also been dizzy the whole time, regardless of whether I take pain killers or not. 
Anyone else have this side effect? How long did it last? I want to go back to work, but just can't at this point since all I can really do is lay down successfully.