is lichen planus caused by stress
In most cases, the cause of lichen planus can't be found. It is not caused by stress, but sometimes emotional stress makes it worse. This disorder has been known to occur after contact with certain chemicals, such as those used to develop color photographs.n some people, certain drugs cause lichen planus. These drugs include medications for high blood pressure, heart disease, diabetes, arthritis and malaria, antibiotics, non-steroidal anti-inflammatory pain killers, etc.