Do allergy shots (immunology) give relief for allergy symptoms?

Yes. Allergy shots help to relieve nasal allergy symptoms and their effects on sinus disease and asthma as well.
Shots work best. Allergy shots are the most effective method of treating allergies if avoidance is not possible. They help approximately 85% of patients get an average of 75% relief of symptoms and reduce medication use an average of 57% . They help more than most medications, but we usually try avoidance and medications first, because they are cheaper and more convenient.