Human Diseases

Definition Herpangina, mild viral infection caused by several enteroviruses, most of which are in the subgroup Coxsackie A, seen most commonly in young children. The most distinctive symptom is a rash on the mucous membranes inside the mouth. The lesions in the mouth are round macules (nonraised spots) about 2 …

Definition Vasomotor rhinitis (VMR) is a condition in which the blood vessels lining the nose swell leading to nasal congestion, and in which the mucus glands in the nose become overactive leading to excessive drainage. It is usually associated with a loss of control of the nose’s function. The healthy …

Description Hematidrosis or hematohidrosis is extremely rare. Only a handful of cases have ever reported. The condition causes a person to sweat blood, often on the face or forehead, without being cut or injured. Symptoms appear as blood droplets on the skin, bloody sweat or sweat with blood in it. …

What is Anal Itching? Anal itching (known medically as pruritus ani) is irritation of the skin at the opening of the anal canal through which stool exits the body that leads to itching. The skin surrounding the opening is known as the anus. The itching is accompanied by the desire …

Definition Paronychia is an infection of the skin around a fingernail or toenail. The infected area can become swollen, red, and painful, and a pus-filled blister (abscess) may form. Most of the time, paronychia is not serious and can be treated at home. In rare cases, the infection can spread …

Definition Meniere’s disease (also called idiopathic endolymphatic hydrops) is one of the most common causes of dizziness originating in the inner ear. In most cases, only one ear (unilateral) is involved, but both ears (bilateral) may be affected. Ménière’s disease typically affects people between the ages of 40- and 60-years-old …

Description Burning Mouth Syndrome (BMS) is a painful, complex condition often described as a burning, scalding, or tingling feeling in the mouth that may occur every day for months or longer. Dry mouth or an altered taste in the mouth may accompany the pain. BMS is most commonly found in …

What is an anal fissure? An anal fissure is a tear in the lining of the lower rectum (anal canal) that causes pain during bowel movements. Anal fissures don’t lead to more serious problems. Most anal fissures heal with home treatment after a few days or weeks. These are called …