III. Indications
- Stubborn periungual warts
- May be useful in Molluscum Contagiosum in children
IV. Obtaining
- No longer available is U.S., but available in Canada
- Manufactured by Omniderm
- Phone: 1-888-458-0158
- Fax: 1-514-458-1477
V. Preparations
- Cantharidin (Cantharone, Canthacur)
- Canthacur PS (w/ Podophyllin 5% + Salicylic Acid 30%)
- Reserve for Plantar Warts due to irritation
VI. Precautions
- Apply ONLY in office
- Avoid touching normal skin
VII. Application
- Allow liquid to dry over wart
- Then cover with occlusive tape (e.g. Blenderm)
- Remove tape after 24 hours
- Remove earlier for significant discomfort
- In 2-3 days remove Blister under Local Anesthesia
- Snip off near base OR Curette
- Benefits of removing Blister
- Prevents progression to ring wart
- Prevents recurrence
VIII. Follow-up
- Consider repeat treatment weekly as tolerated