Injecting patients with small amounts of purified allergens has the potential to greatly reduce their allergic symptoms, making life more bearable during allergy season. But allergy shots are literally a pain. Many patients cannot comply with receiving injections on a regular basis for up to five years, getting them once or twice a week for the first year. However, says otolaryngologist Sandra Lin, there’s an alternative that could work just as well without the drawbacks of allergy shots. She and her colleague…