Psoriasis Treatment Guide: From Topicals to Biologics & Home Care

Psoriasis is an immune-mediated chronic inflammatory skin disease driven by the IL-23/Th17 axis. Its hallmark: red, scaly plaques.

Treatment Ladder (Mild → Severe)

• Topical (first-line): Corticosteroids (potency matched to site), vitamin D analogs (calcipotriene), combination products (calcipotriene/betamethasone), tazarotene, roflumilast, tapinarof.
• Phototherapy: Narrowband UVB (office or home), PUVA (psoralen + UVA) for widespread disease.
• Systemic non-biologics: Methotrexate, cyclosporine, acitretin, apremilast (PDE4 inhibitor).
• Biologics (targeted): TNF-α inhibitors (adalimumab, etanercept), IL-17 inhibitors (secukinumab, ixekizumab), IL-23 inhibitors (guselkumab, risankizumab), IL-12/23 inhibitor (ustekinumab). High efficacy; infection risk and cost are considerations.
• Oral small molecules: JAK inhibitors (upadacitinib), TYK2 inhibitor (deucravacitinib).

Adjunctive & Home Measures

• Daily emollients (ceramide-rich creams).
• Tar, salicylic acid for scale removal.
• Sunlight (heliotherapy)—cautious, non-burning exposure.
• Stress reduction, smoking cessation, weight loss, alcohol moderation.
• Coal tar, Dead Sea salts.

Personalized, Treat-to-Target Approach

A dermatologist assesses body surface area (BSA), PASI score, Dermatology Life Quality Index (DLQI), comorbidities, and patient preferences. The modern standard is treat-to-target, aiming for PASI 90/100 response.