This is limited details and more precise information is needed about your skin condition which can help in planning a treatment. A thorough history, clinical examination and appropriate laboratory tests will be needed to solve the mystery. A better photograph would have been helpful. Consider seeing a Dermatologist for proper diagnosis and treatment plan. It could be related to a condition called adult atopic dermatitis but that has varialbe presentations and needs to be confirmed.
Next Steps
Your dermatologist will decide a treatment plan for you after a consultation.
Health Tips
Avoid Self Medications.