> Western Medicines > Imiquimod


Used for: Superficial basal cell carcinoma, Warts, Actinic keratoses, Calluses
Chinese name:

What is Imiquimod for?

Imiquimod belongs to a class of medications called imidazoquinoline immunomodulatory drugs. It activates toll-like receptors 7 to activate immune cells. It is indicated to treat warts and calluses, actinic keratoses and superficial basal cell carcinoma.

How to use it?

Imiquimod is used topically as dermal cream on the affected area. Listed below are the indications and the dosages.


Anogenital warts, Perianal warts
Adult and elderly
3 times weekly, but not for back-to-back days, for up to 16 weeks.


Actinic keratoses
Adult and elderly
3 times weekly, but not for back-to-back days, for 4 weeks. Stop for 4 weeks then repeat. Otherwise, 2 times weekly, but not for back-to-back days, for up to 16 weeks.


Superficial basal cell carcinoma
Adult and elderly
5 times weekly on consecutive days before bedtime for 6 weeks.

What are the side effects of Imiquimod?

Common side effects of Imiquimod include localized erythema, dry skin, fungal infection, itchiness, upper respiratory tract infection.

Who should not take Imiquimod?

People who are allergic to Imiquimod or any component of the formulation.

Pharmacist Tips:

  • Wash your hands before and after use.
  • Avoid using the cream on lips, in nostrils or near the eyes.
  • Do not occlude the area with cream applied.

Common dosing schedule:
For those using Imiquimod for warts and actinic keratoses, do not use on consecutive days. Imiquimod cream should be used, preferably after shower before bedtime.


Some common medications Verrufilm may interact with:

  • No known significant interactions.

This schedule is for reference only, adjustments may be made according to individual needs.

Where to buy Imiquimod in Hong Kong?

In Hong Kong, Imiquimod is a prescription only medicine, and requires a prescription from a doctor to be purchased in a pharmacy. It can also be obtained from doctors. To find a pharmacy near you, refer to the list of pharmacies (“Authorized Sellers of Poisons”) from the Hong Kong Department of Health.


For more information about drug names and ingredients, you can visit Hong Kong’s Drug Office at https://www.drugoffice.gov.hk

Need more information?

For detailed information about the use of Imiquimod in children, pregnancy and breastfeeding, and for questions about drug interactions, please check with your pharmacist or doctor.

Disclaimer: our goal is to provide you with the most relevant drug information and common dosage for Hong Kong. This information does not constitute medical advice. For specific treatment recommendations and advice, always discuss with your doctor or pharmacist, and follow the instructions included with your specific medicine.

Brands in Hong Kong
Available dosage
  • 5% (Cream)
Drug class
Immunomodulatory Drugs
Sub class
Other drugs in same class