How long will it take for my allergy symptoms to improve after I start my treatment? May 20, 2022 16:22 Updated Symptom improvement differs from patient to patient based on the severity and seasonality of their allergies. The average time is 3-6 months. Related articles How long will it take for my treatment to achieve long-lasting results? When and how much will I be charged for my subscription? What would make me ineligible for NectarRx Allergy Treatment? I'm having trouble drawing blood from my finger. What now? What are the ingredients?