Took first dose of citalopram and feel kind of icky. is this normal?

Yes: Many people when they first start antidepressants can feel ill. This tends to be temporary, and should get better with time.

Depends: On what you mean by "icky". It is not uncommon for patients to describe initial side effects to a medication that eventually subside. Common examples for citalopram are nausea or queasiness, loose stools, and maybe some cognitive clouding. Side effects that will likely not subside are decreased sexual interest, some emotional blunting and sedation. The initial ones should go away after a few days.