Remedies for Nausea Nausea can be caused by various conditions, but there are natural remedies that can help alleviate it. Remedy 1: Mustard Compress Applying mustard to the stomach can help calm nausea. Ingredients: Mustard Preparation: Place a mustard compress on the stomach area. It doesn’t need to be kept on for a long time. Remedy 2: Corn Kernels Roasted corn kernels are helpful in combating nausea.