Skin pigmentation

Hyperpigmentation is a condition in which the skin tends to darken. It can occur in the form of small patches or cover the entire body. Hyperpigmentation is not harmful but can indicate an underlying medical condition.
Causes
Common causes of hyperpigmentation are:
- Certain types of medicines can lead to hyperpigmentation
- Pregnancy
- Inflammatory skin diseases
- Changes in hormonal level
- Sun exposure
Treatment
Treatment depends on the type of hyperpigmentation:
- Topical treatment
- Chemical peel
- Laser therapy
Prevention
- Using sun screen
- Avoiding certain medicines