Commercial mouthwashes often contain alcohol that can dry your mouth. Ask your doctor or dentist about alternative mouthwash products. Ask your doctor about artificial saliva products. These products are available by prescription. Medications, radiation therapy, chemotherapy, pain, constipation, or the flu can cause nausea.
Many medications are available to treat nausea.
Ask your doctor if there is a medication that can help you. Eat dry foods when you wake up and every few hours during the day. Nausea is often worse on an empty stomach, and dry foods can relieve some of the discomfort. Try pretzels, plain crackers or cookies, dry cereal, or toast. Drinking liquids on an empty stomach can add to the feeling of nausea.