Congestion

Congestion may refer to:

Medicine

 * Excessive fluid in tissues, vessels, or both, including:
 * Edema, abnormal accumulation of fluid in the interstitium, manifesting as swelling
 * Peripheral edema, edema in peripheral body parts such as limbs and feet
 * Pulmonary edema, edema in the lungs that impairs breathing
 * Congestive heart failure, heart failure resulting in congestion in one or more organs
 * Nasal congestion, the blockage of nasal passages due to swollen membranes
 * Prostatic congestion, a medical condition that happens when the prostate becomes swollen by excess fluid

Other uses

 * Network congestion, reduced quality of service when a network is carrying more data than it can handle
 * Traffic congestion, vehicles clogging streets and highways
 * Congestion pricing, a system of surcharging users of public goods that are subject to congestion through excess demand
 * Congestion (film), a 1918 silent film