Betnesol is CONTRAINDICATED in psoriasis vulgaris. It is a steroid and if used outside a dermatologists advise can lead to hypertension,
diabetes, recurrent infections etc. It causes severe flare ups of psoriasis leading to erythroderma that can require hospitalization. Kindly do not SELF MEDICATE. 'Google' isn't the best dermatologist in the market. Please search for a dermatologist on Google, not search for treatment on Google.