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.
Ear Infections-Cause. Middle ear infections are caused by bacteria and viruses. Swelling from an upper respiratory infection or allergy can block the eustachian tubes, which connect the middle ears to the throat.iddle ear infections are caused by bacteria and viruses. Swelling from an upper respiratory infection or allergy can block the eustachian tubes, which connect the middle ears to the throat.