Allergy with throat itching for many years is usually due to sensitivity to dust, weather, or triggers, and it tends to recur rather than have a permanent cure. Focus on avoiding triggers, keeping your environment clean, using steam inhalation, drinking warm fluids, and maintaining a healthy routine to reduce symptoms. Ayurveda may help with overall balance and symptom control, but it works slowly and should be used carefully. If symptoms continue or worsen, consult a doctor to plan safe long-term management, including any alternative therapy.