People often complain of nasal congestions due to various infections like cold, flu and bronchitis. In such a condition, the brain directs an increased flow of blood to the blood vessels of nasal cavity. As a result, they become tender and block the passage of air through the air passages. Such blockages even dissuade the exit of mucus from the nose. In such conditions, decongestants come to the rescue by reducing the size of the enlarged blood vessels along the lining of the nose. Further these medications also make the passage of the mucus out of the nose, easier. This drastically helps in reducing the congestion inside the nasal cavities.

The best aspect of decongestants is that start functioning within minutes of consuming them. This means that they improve the swelling and blockage at an accelerated speed. It is important to note that the underlining function of decongestants is to relieve the swelling as well as the stuffiness. This medication should not be taken as a cure for allergies like cold, flu etc. This medication is available both in form of pills and sprays. It is imperative to choose the form of dosage you are most comfortable with in order to attain immediate relief from the blockage.