Ilona Frieden, M.D.

Director of Pediatric Dermatology

Dr. Ilona Frieden, director of Pediatric Dermatology at UCSF Benioff Children's Hospital, is a world-renowned specialist in children's skin diseases. She has more than 30 years experience in treating conditions including birthmarks and hemangiomas, laser surgery of port-wine stains and in caring for children with common conditions such as eczema and rashes. She is founder and director of the UCSF Birthmarks and Vascular Anomalies Clinic founded in 1991 and treats patients in the Ectodermal Dysplasia Clinic of the Craniofacial Anomalies Center.

Frieden is a clinical professor of dermatology and pediatrics and the founder of the Hemangioma Investigator Group, a multi-center collaboration for the study of hemangiomas. She is the editor in chief of the journal Pediatric Dermatology. She is also a member of the board of the American Academy of Dermatology.


Birthmarks and Vascular Anomalies Center
1701 Divisadero St., Third Floor
San Francisco, CA 94115
Phone: (415) 353-7800

Craniofacial Center
1825 Fourth St., Fifth Floor, 5C
San Francisco, CA 94158
Phone: (415) 476-2271

Dermatology at Mission Bay
1825 Fourth St., Fifth Floor, 5B
San Francisco, CA 94158
Phone: (415) 353-7800

Dermatology at Mount Zion
1701 Divisadero St., Third Floor
San Francisco, CA 94143-0316
Phone: (415) 353-7800

HHT Center of Excellence
1825 Fourth St., Fifth Floor, 5A
San Francisco, CA 94158
Phone: (415) 353-8867

Conditions & Treatments

More about Ilona Frieden

Additional Languages



UCSF School of Medicine 1977


UCSF Medical Center, Pediatrics 1980


UCSF Medical Center, Dermatology 1983

Selected Research and Publications

  1. Frieden IJ, Spring S. Infantile hemangiomas. J Drugs Dermatol. 2015 May 1; 14(5):443-5.
  2. Spence-Shishido AA, Good WV, Baselga E, Frieden IJ. Hemangiomas and the eye. Clin Dermatol. 2015 Mar-Apr; 33(2):170-82.
  3. Léauté-Labrèze C, Hoeger P, Mazereeuw-Hautier J, Guibaud L, Baselga E, Posiunas G, Phillips RJ, Caceres H, Lopez Gutierrez JC, Ballona R, Friedlander SF, Powell J, Perek D, Metz B, Barbarot S, Maruani A, Szalai ZZ, Krol A, Boccara O, Foelster-Holst R, Febrer Bosch MI, Su J, Buckova H, Torrelo A, Cambazard F, Grantzow R, Wargon O, Wyrzykowski D, Roessler J, Bernabeu-Wittel J, Valencia AM, Przewratil P, Glick S, Pope E, Birchall N, Benjamin L, Mancini AJ, Vabres P, Souteyrand P, Frieden IJ, Berul CI, Mehta CR, Prey S, Boralevi F, Morgan CC, Heritier S, Delarue A, Voisard JJ. A randomized, controlled trial of oral propranolol in infantile hemangioma. N Engl J Med. 2015 Feb 19; 372(8):735-46.
  4. Canavan TN, Mathes EF, Frieden I, Shinkai K. Mycoplasma pneumoniae-induced rash and mucositis as a syndrome distinct from Stevens-Johnson syndrome and erythema multiforme: A systematic review. J Am Acad Dermatol. 2015 Feb; 72(2):239-245.e4.
  5. Chamlin SL, Mancini AJ, Lai JS, Beaumont JL, Cella D, Adams D, Drolet B, Baselga E, Frieden IJ, Garzon M, Holland K, Horii KA, Lucky AW, McCuaig C, Metry D, Morel KD, Newell BD, Nopper AJ, Powell J, Siegel D, Haggstrom AN. Development and Validation of a Quality-of-Life Instrument for Infantile Hemangiomas. J Invest Dermatol. 2015 Jun; 135(6):1533-9.
  6. Feigenbaum DF, Sybert VP, Vanderhooft SL, Siegel D, Drolet BA, Frieden IJ, Mathes EF. Ventral midline blanching in the setting of segmental infantile hemangiomas: clinical observations and pathogenetic implications. Pediatr Dermatol. 2015 Mar; 32(2):180-7.
  7. Siegel DH, Choate KA, Drolet BA, Frieden IJ, Rittenberg S, Teng JM, Tom WL, Williams ML, Eichenfield LF, Paller AS. Proceedings of the Inaugural Pediatric Dermatology Research Alliance (PeDRA) conference. J Invest Dermatol. 2014 Nov; 134(11):2671-4.
  8. Coughlin CC, Frieden IJ, Eichenfield LF. Clinical approaches to skin cleansing of the diaper area: practice and challenges. Pediatr Dermatol. 2014 Nov; 31 Suppl 1:1-4.
  9. Coughlin CC, Eichenfield LF, Frieden IJ. Diaper dermatitis: clinical characteristics and differential diagnosis. Pediatr Dermatol. 2014 Nov; 31 Suppl 1:19-24.
  10. Haggstrom AN, Frieden IJ. Patterns of vascular birthmarks: questions and clues. Br J Dermatol. 2014 Oct; 171(4):693-4.
  11. Feigenbaum DF, Boscardin CK, Frieden IJ, Mathes EF. What should primary care providers know about pediatric skin conditions? A modified Delphi technique for curriculum development. J Am Acad Dermatol. 2014 Oct; 71(4):656-62.
  12. Nguyen JT, Koerper MA, Hess CP, Dowd CF, Hoffman WY, Dickman M, Frieden IJ. Aspirin therapy in venous malformation: a retrospective cohort study of benefits, side effects, and patient experiences. Pediatr Dermatol. 2014 Sep-Oct; 31(5):556-60.
  13. Liang MG, Frieden IJ. Infantile and congenital hemangiomas. Semin Pediatr Surg. 2014 Aug; 23(4):162-7.
  14. Weitz NA, Bayer ML, Baselga E, Torres M, Siegel D, Drolet BA, Frieden IJ, Haggstrom AN. The "biker-glove" pattern of segmental infantile hemangiomas on the hands and feet. J Am Acad Dermatol. 2014 Sep; 71(3):542-7.
  15. Mathes EF, Frieden IJ, Cho CS, Boscardin CK. Randomized controlled trial of spaced education for pediatric residency education. J Grad Med Educ. 2014 Jun; 6(2):270-4.
  16. Lee PW, Frieden IJ, Streicher JL, McCalmont T, Haggstrom AN. Characteristics of noninvoluting congenital hemangioma: a retrospective review. J Am Acad Dermatol. 2014 May; 70(5):899-903.
  17. Liao W, Cordoro K, Frieden I, Shinkai K. How to prepare and deliver a great talk. Clin Dermatol. 2014 Nov-Dec; 32(6):878-82.
  18. Tlougan BE, Lee MT, Drolet BA, Frieden IJ, Adams DM, Garzon MC. Medical management of tumors associated with Kasabach-Merritt phenomenon: an expert survey. J Pediatr Hematol Oncol. 2013 Nov; 35(8):618-22.
  19. Bayer ML, Frommelt PC, Blei F, Breur JM, Cordisco MR, Frieden IJ, Goddard DS, Holland KE, Krol AL, Maheshwari M, Metry DW, Morel KD, North PE, Pope E, Shieh JT, Southern JF, Wargon O, Siegel DH, Drolet BA. Congenital cardiac, aortic arch, and vascular bed anomalies in PHACE syndrome (from the International PHACE Syndrome Registry). Am J Cardiol. 2013 Dec 15; 112(12):1948-52.
  20. Shah S, Frieden IJ. Treatment of infantile hemangiomas with beta-blockers: a review. Skin Therapy Lett. 2013 Sep-Oct; 18(6):5-7.

Publications are derived from MEDLINE/PubMed and provided by UCSF Profiles, a service of the Clinical & Translational Science Institute (CTSI) at UCSF. Researchers can make corrections and additions to their publications by logging on to UCSF Profiles.