1 Overuse or doing too much too soon when the tendons are not used to a movement or to the task taken on. 2  Tendinitis is common in weekend warriors, people that play and exercise hard only on weekends. 3  Occasionally an infection can cause tendinitis, especially infection from a cat or dog bite to the hand or a finger.he symptoms of tendinitis include: 1  Pain at the site of the tendon and surrounding area. 2  Pain may gradually build up or be sudden and severe, especially if calcium deposits are present. 3  Loss of motion in the shoulder, called adhesive capsulitis or frozen shoulder.
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.
Lichen planus is a chronic recurrent rash that is due to inflammation. The rash is characterized by small, flat-topped, many-sided (polygonal) bumps that can grow together into rough, scaly plaques on the skin. There may also be a rash in the lining (mucous membranes) of the mouth or vagina.Lichen planus is a very curious and poorly understood skin condition.ichen planus facts. 1  Lichen planus is a chronic recurrent rash of unknown cause with no established cure. 2  Lichen planus generally affects adults and can involve any portion of the body, but it has a predilection for the wrists, ankles, and oral and genital tissues.