A February, 2017 allergy immunotherapy research study published in JAMA recommends that patients continue their subcutaneous (allergy shots) or sublingual (allergy drops) allergy treatment for at least 3 years for long term effectiveness.
Sinus infections often follow a cold and cause pain and pressure in your head and face. Sinusitis can be either acute (sudden) or chronic (long-term). With chronic sinusitis, the infection or inflammation does not completely go away for 12 weeks or more.
Source: Sinusitis-Topic Overview
Liam began taking allergy shots when he was 3, but the shots were hard on both Liam and Kayle. Now, a new allergy treatment offered at University of Missouri Health Care is helping Liam literally brush off his allergies.