Hello, long term psoriasis can be quite cumbersome. Was it diagnosed as psoriasis by any dermatologist. Today dermatological Science is quite advanced and lot of treatment options are available for this.
Next Steps
it would be a good idea to consult a dermatologist to understand your options and end results expected. you may choose to do online consultation with me. ( preferably a direct visit to any dermatologist in your city whom you are comfortable with - would help with proper examination, diagnosis and treatment)
Health Tips
apply moisturizer or coconut oil at least 5-6 times a day till you seek medical treatment