Thanks for the query.
This presentation can be seen with many diseases. This is limited information to make precise recommendations. The best option is to consult a Dermatologist to understand the condition. A thorough evaluation if necessary should be done. A photograph of the affected area will help you get better recommendations. Hope it helps you. Montek LC is quite safe drug for long term usage if it suits you.
Next Steps
Urticaria should be ruled out.
Health Tips
Your dermatologist will decide a treatment plan for you after a consultation.