In some animal studies, mequinol and tretinoin has been shown to cause skin tumors to develop faster when the treated area is exposed to ultraviolet light - sunlight or artificial sunlight from a sunlamp. Other studies have not shown the same result and more studies need to be done. It is not known if mequinol and tretinoin topical solution causes skin tumors to develop faster.
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 any of the following side effects was happen
More common
Burning feeling or stinging skin - severe; itching - severe; peeling of skin - severe; redness of skin - severe
Less common
Allergic reaction; large blisters on the skin
More common side effects may occur that usually don't needed medical attention. These side effects may go away during treat as your body adjusts to the drug. However, check with your family doctor if any of the following side effects continue or are bothersome:
More common
Burning feeling, stinging, or tingling of skin - mild lasting for a short time after first applying the drug; itching - mild; chapping or slight peeling of skin - mild; lightening of skin around treated area; lightening of skin on treated area; redness of skin - mild; skin irritation; unusually warm skin - mild
Less common
Crusting of skin; dry skin; skin rash
More common side effects not listed above may also occur in some diseaseds. If you notice any other problems, check with your family doctor.