Buy it from beekeepers in your area because it will contain pollens in your area. It's similar to allergy shots, but it's much easier on your body. Cure is a big word. It's a different way of treating the body. Medication is symptom-oriented, to suppress symptoms.
Herbs stimulate and strengthen the immune system.
Many will prevent the formation of histamines in the first place. I would say herbs eliminate the causes of the symptoms rather than just suppressing them. If one is having respiratory problems, there are herbs to alleviate congestion and inflammation. It can have side effects such as raised heart rate. With interaction, they're very quick to blame the herb and not the drug, but in true herbalism, they use the whole herb, not just an extract of a small part of it.