{
  "schema_version": 1,
  "kind": "condition",
  "id": "viral-warts",
  "name": "Viral warts (verruca vulgaris & plantar warts)",
  "category": "chronic",
  "sources": "BAD Guidelines for Cutaneous Warts 2014 · Salactol Collodion (salicylic acid 16.7% + lactic acid 16.7%) SmPC sections 4.2-4.3 (eMC product 3766)",
  "review_status": "reviewed",
  "verified_against": "Salactol Collodion (salicylic acid 16.7% + lactic acid 16.7%) SmPC sections 4.2-4.3 (eMC product 3766)",
  "verified_date": "2026-08",
  "treatments": [
    {
      "id": 1883,
      "generic": "Salicylic acid",
      "line": 1,
      "is_adjunct": false,
      "form": "topical",
      "strength_mg": null,
      "adult_dose": "Apply the salicylic acid 16.7% with lactic acid 16.7% collodion to the wart once daily, usually at night, after soaking in warm water and paring the surface",
      "adult_duration": "up to 12 weeks",
      "dose_source": "Salactol Collodion SmPC sections 4.1-4.3 (eMC product 3766): \"Salicylic acid 16.7% w/w Lactic acid 16.7% w/w\", \"For the topical treatment of warts, verrucas, corns and calluses\" and \"Salactol should be applied once daily usually at night. It can take up to twelve (12) weeks for resistant lesions to disappear\". The strength shown is that single product; no disease-level article for viral warts is held in this corpus, so no percentage range is quoted.",
      "rationale": "Keratolytic that softens and dissolves the thickened keratin of a viral wart, allowing the infected tissue to be pared away and exposing it to the host immune response; a first-line topical treatment for verruca vulgaris and plantar warts.",
      "cautions": [
        "Protect surrounding normal skin with petroleum jelly.",
        "Do NOT apply to facial warts, anogenital warts, or broken skin.",
        "Soak wart in warm water and file surface before application.",
        "Not for a diabetic foot, and not where circulation to the foot is poor. The label rules both out flatly. A keratolytic on skin that heals badly is how a wart becomes an ulcer.",
        "Not on moles, birthmarks or hairy warts.",
        "Collodion is flammable - no smoking or naked flame until it has dried."
      ],
      "peds_mgkg_low": null,
      "peds_mgkg_high": null,
      "peds_max_mg": null,
      "peds_basis": null,
      "peds_unit": null,
      "peds_note": "Children >2 years: apply daily under adult supervision; protect healthy skin",
      "peds_min_weight_kg": null,
      "peds_max_weight_kg": null,
      "peds_age_min_months": null,
      "peds_age_max_months": null,
      "peds_age_bands": null,
      "peds_doses": null,
      "brands": [
        {
          "trade_name": "SALICYLIC ACID COLLODION 12% PAINT B.P.2001",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "UNIPHARMA CO. > UNIPHARMA",
          "price_egp": 3.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": null,
          "exact_strength": true,
          "exact_form": false,
          "discontinued": false,
          "also_contains": null
        },
        {
          "trade_name": "SALICYLIC ACID SOAP (WEISER) 45 GM",
          "scientific_name": null,
          "normalized_ingredient": null,
          "manufacturer": "WEISER",
          "price_egp": 15.0,
          "pack_count": null,
          "unit_price": null,
          "strength_mg": 45000.0,
          "exact_strength": true,
          "exact_form": false,
          "discontinued": false,
          "also_contains": null
        }
      ],
      "condition_id": "viral-warts"
    }
  ]
}