Common psoriasis triggers (n = 130) Trigger factors Frequency% Stress 50 38.46 Skin injuries 27 20.77 Infection (sinuses, nose, throat) 7 5.38 Drugs (antibiotics, pain killer) 11 8.46 Food 35 26.93 Conclusion: The most common triggers cited in this study were stress 38.46%, followed by food 26.93%, skin injuries 20.77%.