Nose block can be due to non- allergic rhinitis. It can cause phlegm in the throat ( post nasal drip). Heaviness in the chest can be due to GERD ( Reflux). Take decongestant nasal drops, mucolitics and anti Reflux medication.
Next Steps
if symptoms persist go for online consultation
Health Tips
steam inhalation, regular physical activity, take water frequently, timely food, avoid spicy and oily food.