Video: What is Immunotherapy? Allergy shots? Allergy drops or tablets? by Laura Lewis February 6, 2017 0 comments allergies austin, allergy austin, allergy doctors austin, allergy drops, allergy shots, allergy shots austin, allergy tablets, atx, Austin, austin allergy, board certified allergist in Austin, Hetu Parekh, immunotherapy, MD What is Immunotherapy? How do allergy shots work? Allergy drops? Allergy tablets? Board Certified Allergist, Hetu Parekh, M.D. explains in this video.