The following information may help to address your question:
Mild cases of guttate psoriasis are usually treated at home. The following may be recommended:
Sunlight may help some symptoms go away. Care should be taken to avoid sunburn. Some people may choose to have phototherapy. Phototherapy is a medical procedure in which the skin is carefully exposed to ultraviolet light. Phototherapy may be given alone or after taking a drug that makes the skin more sensitive to light.
Both triamcinolone and desonide are topical steroids. Potential side effects of topical steroids include skin damage, such as skin thinning, changes in pigmentation, easy bruising, stretch marks, redness and dilated surface blood vessels. Steroids are absorbed through the skin and may affect internal organs when applied to widespread areas, used over long periods of time, or applied and then covered.