Cantharidin Treatment
- What it is
Cantharidin is a solution that is used for the treatment of skin conditions such as molluscum and warts. Cantharidin is a blistering agent and can only be used by healthcare professionals.
After Cantharidin Application
- Wash off with soap and water after 4 hours.
- Treated area may turn red and swollen.
- Blistering is expected.
- The fluid in the blister may appear clear or blood-filled.
Blister Management
- Reduce blister size to minimise pain and discomfort:
a) Carefully puncture the base of blister using a sterile needle.
b) Gently compress on the blister with soft gauze to drain out the fluid.
c) Do not peel off the blistered skin. - If the blister becomes very large and/or painful:
a) Walk in to the Dermatology Clinic at KKH@Halifax, if visiting between 8.30am-3.00pm on weekdays.
b) Proceed to Children’s Emergency, if outside of stated hours or on weekends/public holidays. - If treated area is itchy, do not scratch. Take antihistamines if intolerable.
Follow up appointment
- Keep to your appointment(s) as scheduled.
- If you wish to change your appointment(s), please call the Central Appointments Hotline at
6294 4050.
