Those who struggle with a personality disorder have great difficulty dealing with other people. They tend to be inflexible, rigid, and unable to respond to the changes and demands of life.
Could depression actually be a form of infectious disease? â Turhan Canli. Chronic Lyme disease and its co-infections can cause depression. If we look at the cousin of Lyme disease, Syphilis, and its studies related to mental health issues, we see depression, anxiety disorders and much more.
These two conditions can occur together, or an anxiety sufferer can confuse the symptoms with depression. NPAD explains that when you have the flu, infection-fighting antibodies cause common symptoms like weakness, sweating and muscle pain. Depression and anxiety can trigger these same symptoms, and it can be hard to pinpoint which emotional condition is actually causing them.