A tooth abscess is a pocket of pus caused by a bacterial infection in or around a tooth. The infection can occur in different parts of the tooth, including the root, the gums, or the surrounding bone. This condition usually develops when bacteria enter the tooth through untreated cavities, cracks, or gum disease. A tooth abscess can cause severe pain …

Tonsillitis is an inflammation of the tonsils, which are two oval shaped tissues located at the back of the throat. The tonsils are part of the immune system and help protect the body from infections by trapping bacteria and viruses that enter through the mouth and nose. Tonsillitis is most common in children, but it can occur at any age. …

Tonsil cancer is a type of cancer that develops in the tonsils, which are two oval shaped lymphoid tissues located at the back of the throat. The tonsils play a role in the immune system by helping the body fight infections. Tonsil cancer is considered a form of oropharyngeal cancer, affecting the middle part of the throat. Most tonsil cancers …

Tonic-clonic seizures, previously known as grand mal seizures, are a type of seizure that involves the entire brain and causes sudden loss of consciousness along with severe muscle contractions. These seizures are one of the most recognizable forms of seizures and typically occur in people with epilepsy, although they may also happen due to other medical conditions. A tonic-clonic seizure …

Tongue-tie, medically known as ankyloglossia, is a condition present at birth in which the thin band of tissue that connects the underside of the tongue to the floor of the mouth is shorter, thicker, or tighter than normal. This tissue, called the lingual frenulum, restricts the movement of the tongue. The condition can vary in severity. Some individuals experience little …

Tongue cancer is a type of cancer that develops in the cells of the tongue. It is a form of oral cancer and can occur in different parts of the tongue, including the front portion inside the mouth or the base of the tongue closer to the throat. Most tongue cancers begin in the thin, flat cells that line the …

Tinnitus is the perception of sound in the ears or head when no external sound is present. People with tinnitus commonly describe the sound as ringing, buzzing, hissing, clicking, or humming. The condition may affect one or both ears and can occur continuously or intermittently. Tinnitus is not a disease itself but a symptom of an underlying condition, often related …

Tinea versicolor is a common fungal skin infection that causes small patches of skin to become lighter or darker than the surrounding area. The condition is caused by an overgrowth of a type of yeast that normally lives on the skin. When this yeast grows excessively, it interferes with the normal pigmentation of the skin. The condition most often affects …

Ringworm of the scalp, also known as tinea capitis, is a contagious fungal infection that affects the scalp and hair shafts. It is most common in children but can occur at any age. The infection spreads through direct contact with an infected person, animal, or contaminated objects such as combs and hats. Ringworm of the scalp requires medical treatment, as …

Trigeminal neuralgia is a chronic pain condition that affects the trigeminal nerve, which carries sensation from the face to the brain. This nerve is responsible for transmitting signals related to touch, pain, and temperature from different areas of the face. People with trigeminal neuralgia experience sudden, severe facial pain that may feel like an electric shock. The pain usually occurs …