Easy Breathing Allergy BundlePeppermint oil can help relieve allergy symptoms because it has anti inflammatory, decongestant, and antibacterial properties. Lavender is a natural antihistamine. For ease of use, you can diffuse it or breathe it directly from the container. Lemon is a versatile ally in allergy relief. It can boost alertness, clear sinuses, and reduce congestion. See the recipe card for instructions.