De Quervain's tenosynovitis causes pain and tenderness at the side of the wrist beneath the base of the thumb. Sometimes there is slight swelling and redness in the area.
Definition. A double ear infection is when both the inner and the middle ear become infected. A double ear infection can either be viral or bacterial but is usually too expensive to test, so most doctors treat the symptoms rather than make a conclusive diagnosis.f a double ear infection goes untreated, it can spread to other parts of the body such as the sinuses, the chest and even the brain. This can lead to hospitalization if the infection gets out of hand.
Double vision, or diplopia, is a symptom to take seriously. Some causes of diplopia are relatively minor, but others need urgent medical attention. WebMD takes a look at the causes, symptoms, and treatments of double vision.f a muscle in one eye is weak, that eye can't move smoothly with the healthy eye. Gazing in directions controlled by the weak muscle causes double vision. Muscle problems can result from several causes: 1  Myasthenia gravis is an autoimmune illness that blocks the stimulation of muscles by nerves inside the head.