Stretch marks
Overview
Stretch marks are very common. They're harmless and often get less visible over time.
Symptoms
Stretch marks look like lines or streaks across the skin.
Causes
Stretch marks are often caused by sudden growth or weight gain. You may be more likely to get them if you: are pregnantare going through pubertylose or gain weight quicklyare femaleare overweightuse some kinds ofsteroid creams or tabletshave a family member with stretch marks Rarely, stretch marks can be due to a condition calledCushing's syndrome.