Psoriasis always consists of step up step down therapy. If you want medicines to permanently cure it, unfortunately there is none available.
Next Steps
Learn more about the disorder and understand that the root cause is a genetic abnormality and it causes your skin cells to grow rapidly and clump up onto red plaques with white scales.
Health Tips
Whenever there is a flare, consult a dermatologist and when the skin is normal, apply a moisturiser regularly. You can't cure it but you can control it and have a normal lifestyle. Regular exercise and good diet as well as stress free lifestyle is important