Stretch marks are very common. They're harmless and often get less visible over time.
Stretch marks look like lines or streaks across the skin.
Stretch marks are often caused by sudden growth or weight gain.
You may be more likely to get them if you:
It's not always possible to prevent stretch marks.
The best way to reduce your chance of getting them is by maintaining a healthy weight.
Many creams and lotions claim to prevent, reduce or remove stretch marks. But there's very little evidence these work.
There are some treatments that may help make stretch marks look better, but they will not get rid of them.
You would need to pay for these treatments as they're not available on the NHS.
These could be symptoms of Cushing's syndrome.