Morning Sickness

Ugghhhhhhh... I have been extremely sick for the last week. Now I'm back to work and everyone's asking me questions and joking around calling me prego (not knowing I really am). I just want to go home. The last thing I want when I'm feeling like this is to be the center of attention. I just want to sink into my desk unnoticed but it seems like everywhere I go someone has to ask me how I'm feeling, what the doctor said, did they give me anything for my "flu".... its so exhausting. I know that being here is just aggravating my nausea even more but I don't know what else to do... should I stay home longer? I'm out of vacation & sick days so I won't get paid for any days I miss. Should I just stick it out here and have everyone around me commenting and asking me questions all the time? It seems like a lose-lose situation. At this rate I'll never be able to hide it until the first trimester is over. They're all in my grill!