It's very common to have mild nausea and vomiting during pregnancy. After you have been evaluated by a physician and found to be healthy and safe, there are many options for products available over the counter to help with this common problem. Doxylamine (Unisom SleepTabs) in addition to vitamin B6 has been used often for the treatment of nausea and vomiting of pregnancy. Some studies suggest this combination reduces symptoms by 70%. Talk to your physician before taking this or any medication. Hope you feel better!
(American College of Obstetrics and Gynecology. ACOG practice bulletin: nausea and vomiting of pregnancy. Obstet Gynecol. 2004;103(4):803–814)