It seems you have Allergic rhinosinusitis. You will need to first identify the allergen and then avoid it. Medicines are given just to tide over acute symptoms.
Please consult online for a detailed history and treatment.
In the meantime, you can take Cetrizine at night and use a nasal spray such as Azeflo twice a day.
Next Steps
Steam inhalation.
Avoid dust, smoke, pollen , strong perfumes, moldy places