In animal studies, coal tar - contained in this combination drug has been shown to increase the risk of skin cancer.
Along with its needing effects, a drug may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your family doctor as soon as possible if the following side effect occurs:
Skin irritation not present before use of this drug
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your health care professional.