Try some of the many psoriasis creams, ointments, and shampoos that you can buy without a prescription. For more information, see Medications.
Follow your schedule for sunlight or ultraviolet light treatments.
Be aware of possible medicine reactions. Certain medicines can trigger psoriasis or make symptoms worse.
Limit alcohol to no more than 2 drinks a day for men or 1 drink a day for women. Alcohol use can cause symptoms to flare up.
Studies haven't found any "psoriasis diet" that can cure or improve the condition, despite claims over the years. Try to eat a balanced diet and stay at a healthy weight.
What to avoid
Avoid these triggers:
Cold, dry climates. Cold weather may make symptoms worse. Hot, humid weather and sunlight may improve symptoms. (But hot, humid weather may make certain types of psoriasis worse.)
Scratching and picking skin. And avoid skin injuries (cuts or scrapes). An injury to the skin can cause psoriasis patches to form anywhere on the body, including the site of the injury. This includes injuries to your nails or nearby skin while trimming your nails.
Stress and anxiety. Stress may cause psoriasis to appear suddenly (flare). Or it can make symptoms worse, although this has not been proved in studies.