Psoriasis is an autoimmune skin condition that causes itchiness and inflammation. This means that the immune system of the affected patient attacks the healthy cells in body, causing symptoms like thick areas of discoloured skin covered with scales. While there isn’t a cure, psoriasis treatment can help manage symptoms. A skin expert may prescribe special creams or ointments to those suffering.7 Reasons You Can Get PsoriasisCold and dry weather: Such weather can dry out your skin, which makes the chances of having a flare-up worse. In contrast, hot, sunny weather appears to help control the symptoms of psoriasis in most people.Stress. Having psoriasis can itself cause stress, and patients often report that outbreaks of symptoms come during particularly stressful times.Some medications: Certain drugs, such as lithium (a common treatment for bipolar disorder), drugs for malaria, and some beta-blockers (used to treat high blood pressure, heart disease, and some heart arrhythmias), can cause flare-ups of psoriasis symptoms.Infections: Certain infections, such as strep throat or tonsillitis, can result in guttate (small, salmon-pink droplets) or other types of psoriasis two to three weeks after the infection. Psoriasis symptoms may worsen in people who have HIV.Trauma to the skin: In some people with psoriasis, trauma to the skin, including cuts, bruises, burns, bumps, vaccinations, tattoos, and other skin conditions -- can cause a flare-up of psoriasis symptoms at the site of the injury. This condition is called the "Koebner phenomenon."Alcohol: Using alcohol may increase the chances of psoriasis flare-ups.Smoking: ome experts think that smoking can worsen psoriasis symptoms.Top 3 Psoriasis Myths BustedMyth 1: Psoriasis Can Be ContagiousFact: Psoriasis is not contagious. Instead, it is an autoimmune disease which cannot be passed down from one person to another via direct touch, sharing of bodily fluids, or even from eating off the same plate.Myth 2: Psoriasis is Just Dry Skin, it's not that SeriousFact: Psoriasis can cause great levels of discomfort and irritation to the affected individual. It is not just dry skin. The condition can cause painfully itchy patches to form and even be prone to bleeding at times. People often require professional attention to be able to manage the symptoms effectively.Myth 3: Psoriasis Results From Poor HygieneFact: Psoriasis does not result from poor conditions of hygiene. It is an autoimmune disease where the body's immune system mistakenly attacks the host's healthy skin cells, leading to the inflammation of certain areas. While it is recommended that one showers daily and maintains proper hygiene standards, the opposite does not directly result in the condition.