An ankle sprain is an injury to the ligaments of the ankle causing them to partially or completely tear as a result of sudden stretching. Ankle sprains can occur on either or both of the inner and outer portions of the ankle joints. Pre-existing muscle weakness in the ankle area is normally why ankle sprains occur. The pain associated with an ankle sprain is initially severe and can be associated with a "popping" sensation. Swelling over the area of injury often occurs as the injured blood vessels leak fluid into the local tissue.
Arthritis is another cause of ankle pain. Arthritis causes inflammation of the joint which can involve the ankle area. This type of ankle pain is usually not induced by trauma injury and develops gradually. Usually pain, swelling, stiffness, redness and warmth are associated with this type of ankle pain.
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