Even if you have never experienced allergies or asthma before you might while pregnant. Be sure to talk to your healthcare provider about your symptoms before taking any medications.
Find out more from the American College of Allergy, Asthma, and Immunology:
Managing Asthma and Allergy During Pregnancy | ACAAI.
Ginger is known to be very effective for easing nausea, however, there has been some controversy over the safe use of ginger while pregnant.
Please read this post where Dr. Weil spoke with Dr. Tieraona Low Dog who cautions against the use of ginger while pregnant.