Advice Please!!!

I am 6weeks plus pregnant after an ectopic pregnancy last December. I have gone for early scan and everything is fine. I am suffering from terrible hayfever for the past 3weeks no improvement but, is rather getting worse. I can't sleep at night at all but tend to sleep in the morning when I should be preparing for work. I get really stressed and weak at work and I don't really want to call sick as I felt this is too early. Went to see my GP and was told I can't take anything for now because of my baby. Please be nice as I don't want any insult. Thanks