Common psoriasis triggers include: Infections, such as strep throat or skin infections. Weather, especially cold, dry conditions. Injury to the skin, such as a cut or scrape, a bug bite, or a severe sunburn.

Why do I all of a sudden have psoriasis?

A triggering event may cause a change in the immune system, resulting in the onset of psoriasis symptoms. Common triggers for psoriasis include stress, illness (particularly strep infections), injury to the skin and certain medications.

What is the most common cause of psoriasis?

Common psoriasis triggers include: Infections, such as strep throat or skin infections. Weather, especially cold, dry conditions. Injury to the skin, such as a cut or scrape, a bug bite, or a severe sunburn.