If you have had allergic rhinitis for a long time, it is common for symptoms like sneezing, a runny nose, and itching to come back when you stop medicines such as Cetirizine, because these medicines control the allergy but do not cure it permanently. For long-term control, doctors often recommend using a nasal spray (usually a mild steroid spray) regularly, as it works directly inside the nose and helps reduce inflammation over time. Saline (salt water) nasal rinses can also be very helpful in clearing allergens and soothing the nose. At home, try to reduce exposure to triggers like dust, smoke, strong perfumes, and pollen by keeping your living space clean, using dust-proof covers, and avoiding outdoor exposure during high pollen times. Washing your face and changing clothes after coming from outside can also help. Staying well-hydrated and using a humidifier in dry weather may give additional relief. If symptoms are severe or persistent, your doctor may suggest allergy testing or long-term options like immunotherapy (allergy shots or drops), which can reduce sensitivity over time. With the right combination of treatment and lifestyle changes, most people can keep their symptoms well under control.