Symptoms and causes


Stretch marks don't all look alike. They vary depending on how long you've had them, what caused them, where they are on your body, and the type of skin you have. Common variations include:

  • Indented streaks or lines in the skin
  • Pink, red, black, blue or purple streaks
  • Bright streaks that fade to a lighter color
  • Streaks on the abdomen, breasts, hips, buttocks or thighs
  • Streaks covering large areas of the body

When to see a doctor

See your doctor if you're concerned about the appearance of your skin or if the stretch marks cover large areas of your body. Your doctor can help determine the cause of the stretch marks and discuss treatment options.


Stretch marks seem to be caused by a stretching of the skin. Their severity is affected by several factors, including your genetic tendency, degree of stress on the skin and cortisone level. Cortisone — a hormone produced by the adrenal glands — weakens elastic fibers in the skin.

Risk factors

Anyone can develop stretch marks, but some factors increase your likelihood of getting them, including:

  • Being female
  • Having a personal or family history of stretch marks
  • Being pregnant, especially for younger women
  • Being overweight or obese
  • Rapidly gaining or losing weight
  • Using corticosteroid medication
  • Undergoing breast enlargement surgery
  • Having Cushing's syndrome, Marfan syndrome or certain other genetic disorders
Jan. 07, 2016
  1. Korgavkar K, et al. Stretch marks during pregnancy: A review of topical prevention. British Journal of Dermatology. 2015;172:606.
  2. Cunningham FG, et al. Maternal physiology. In: Williams Obstetrics. 24th ed. New York, N.Y.: The McGraw-Hill Companies; 2014. Accessed Nov. 5, 2015.
  3. Al-Himdani S, et al. Striae distensae: A comprehensive review and evidence-based evaluation of prophylaxis and treatment. British Journal of Dermatology. 2014;170:527.
  4. Lebwohl MG, et al. Striae. Treatment of Skin Disease: Comprehensive Therapeutic Strategies. 4th ed. Philadelphia, Pa.: Elsevier; 2014. Accessed Nov. 6, 2015.
  5. Picard D, et al. Incidence and risk factors for striae gravidarum. Journal of the American Academy of Dermatology. 2015;73:699.
  6. Hussain HA, et al. Stretch marks and treatment efficacies. Journal of the American Academy of Dermatology. 2012;66(suppl):AB29.
  7. Hexsel D, et al. Superficial dermabrasion versus topical tretinoin on early striae distensae: A randomized, pilot study. Dermatologic Surgery. 2014;40:537.
  8. Ud-Din S, et al. New insights on keloids, hypertrophic scars and striae. Dermatologic Clinics. 2014;32:193.
  9. Hernandez G, et al. Use of a specific anti-stretch mark cream for preventing or reducing the severity of striae gravidarum. Randomized, double-blind, controlled trial. International Journal of Cosmetic Science. 2013;35:233.
  10. Brennan M, et al. Topical preparations for preventing stretch marks in pregnancy. Cochrane Database of Systematic Reviews. Nov. 6, 2015.
  11. Tsai TL, et al. Breast striae after cosmetic augmentation. Aesthetic Surgery Journal. 2014;34:1050.
  12. Valente DS, et al. Incidence and risk factors of striae distensae following breast augmentation surgery: A cohort study. PLOS One. 2014;9:e97493.
  13. Goldsmith LA, et al., eds. Skin changes and diseases in pregnancy. In: Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. Accessed Nov. 6, 2015.
  14. Goldsmith LA, et al., eds. Anetoderma and other atrophic disorders of the skin. In: Fitzpatrick's Dermatology in General Medicine. 8th ed. New York, N.Y.: The McGraw-Hill Companies; 2012. Accessed Nov. 6, 2015.
  15. Saag KG, et al. Major side effects of systemic glucocorticoids. Accessed Nov. 9, 2015.
  16. Wright MJ, et al. Genetics, clinical features and diagnosis of Marfan syndrome and related disorders. Accessed Nov. 9, 2015.
  17. MacGregor JL, et al. Striae distensae (stretch marks). Accessed Nov. 6, 2015.
  18. Gotu kola. Natural Medicines.  Accessed Nov. 9, 2015.