Stretch Marks

Stretch marks, also known as striae, are a type of skin lesion that appears as a linear, atrophic, and often pigmented scar-like mark on the skin.

Causes

• Pregnancy: Hormonal changes and rapid stretching of the skin during pregnancy can lead to stretch marks.
• Rapid weight gain or loss: Sudden changes in weight can cause the skin to stretch, leading to stretch marks.
• Puberty: During puberty, growth spurts can cause the skin to stretch, resulting in stretch marks.
• Genetics: Family history can play a role in the development of stretch marks.
• Corticosteroid use: Prolonged use of corticosteroids can lead to skin thinning and stretch marks.

Risk Factors

• Family history of stretch marks
• Young age
• Female sex
• Obesity
• Pregnancy, especially in women under 20 years old

Symptoms

• Linear, atrophic scars on the skin
• Pink, red, or purple coloration, which may fade to white or silver over time
• Depressed or indented appearance of the skin
• May be itchy or uncomfortable in some cases

Types

• Striae rubra: Red, inflamed stretch marks that are typically seen in the early stages.
• Striae alba: White, atrophic stretch marks that are typically seen in the later stages.
• Striae nigra: Darker-skinned individuals may develop stretch marks with a darker pigmentation.

Treatment and Prevention

• Topical creams and ointments, such as retinoids, vitamin C, and hyaluronic acid, which can help improve skin texture and appearance.
• Laser therapy and microdermabrasion, which can help stimulate collagen production and improve skin texture.
• Chemical peels, which can help exfoliate the skin and promote cell turnover.
• Maintenance of a healthy weight, regular exercise, and a balanced diet to support skin health.

Complications

Stretch marks are generally a cosmetic concern and do not typically cause any significant medical complications. However, in some cases, they may be itchy or uncomfortable, and can have a negative impact on self-esteem and body image.