Thanks for the query. Thats a very limited description to make any comments. I can suggest you to see a dermatologist for a diagnosis and treatment plan. Delaying may not be a good option unless you know what the diagnosis is. Hope it helps you.
Next Steps
You need to frame your query more appropriately to get a precise recommendations, A photograph would have been helpful.
Health Tips
Your dermatologist will decide a treatment plan for you after a consultation.