S7 Ep6: Pregnancy Dermatoses with Dr. Perla Lansang

About this episode

Dr. Kerri Purdy discusses common dermatologic conditions in pregnancy with Dr. Perla Lansang, emphasizing safe treatment strategies and the importance of healthy pregnancies.

Pregnancy brings major hormonal and immune changes—and the skin often reflects it. In this final episode of season 7 of Dermalogues, Kerri sits down with Dr. Perla Lansang to break down common and high-yield dermatologic conditions in pregnancy, from physiologic changes to PEP (PUPPP) and pemphigoid gestationis. They discuss how to recognize key patterns, when to biopsy, and how to treat safely—including the role of systemic therapies. The episode also emphasizes a critical takeaway: don’t undertreat pregnant patients—healthy moms are essential for healthy pregnancies. Dr. Perla Lansang is a staff dermatologist and Associate Professor at the University of Toronto, based at Sunnybrook Health Sciences Centre. She has held leadership roles including Division Director and Director of Undergraduate Education, and is cross-appointed in pediatric dermatology at the Hospital for Sick Children as well as Obstetric Medicine at Sunnybrook. Her clinical interests include pregnancy-related dermatoses and complex medical dermatology. In this episode: Normal vs pathologic skin changes in pregnancy Atopic eruption, acne, and psoriasis in pregnancy PEP vs pemphigoid gestationis: key differences…

People in this episode

Guest: Dr Perla Lansang

Topics covered

• Pregnancy Dermatoses
• Dermatologic Conditions in Pregnancy
• Hormonal Changes
• Immune Changes
• Skin Changes
• Safe Treatment Strategies

Keywords

• PEP
• PUPPP
• pemphigoid gestationis
• biopsy
• systemic therapies

Mentioned in this episode

Books & works: Dermalogues, JCMS Author Interviews

More episodes of Dermalogues with Dr. Kerri Purdy

• S7 Ep5: Practical Pediatric Dermatology Pearls with Dr. Jérôme Coulombe · December 19, 2025 · 53 min
• S7 Ep4: Clinical Trials with Dr. Melinda Gooderham · December 4, 2025 · 39 min
• S7 Ep3: Mohs Surgery & Surgical Dermatology with Noelle Wong, Iren Kossintseva and Angela Burleigh · November 20, 2025 · 55 min
• S7 Ep2: Derm Myth-Busting with Dr. Mark Kirchhof · November 5, 2025 · 42 min
• S7 Ep1: Filler, Filters, and the Future: What’s New in Aesthetic Dermatology with Dr Julia Carroll · October 22, 2025 · 37 min
• S6 Ep6: Derm Detectives - Redemption Time · December 18, 2024 · 50 min