Allergic rhinosinusitis combined with deviated nasal septum usually causes. Cough might be due to post nasal drip or allergic bronchitis. Complete history regarding location, occupation, co morbidities are important to ascertain the cause.
Next Steps
Further consultation for a complete evaluation is required to help in arriving at the diagnosis and further treatment. Avoiding the allergen, life style modification, anti allergic medication helps the cause.