A liter of hot water with a pinch of turmeric mixed to it if you mean allergic rhinitis. You can substitute it with garlic, ginger, or black pepper. All of the

A liter of hot water with a pinch of turmeric mixed to it if you mean allergic rhinitis. You can substitute it with garlic, ginger, or black pepper. All of them should be no more than an a pinch in powdered form.