murrain

Foot and mouth disease - an acute viral disease characterized by fever, general intoxication, aphthous lesions of the mucous membranes of the mouth, lesions of the skin of the hands. It refers to zoonoses.

Etiology, pathogenesis. Pathogen - small virus; well preserved by drying and freezing. For FMD virus is antigenically divided into 7 types (A, C O. et al.), Each of which is subdivided into a plurality of variants (subtypes). Gates infection, oral mucosa or damaged skin. In place of introduction of developing primary AFTA. The virus then spreads throughout the body hematogenically and fixed in the epithelium of the mucous membranes (mouth, tongue, mucous membrane of the nose, urethra) and the skin of the hands. Here, the secondary sprue formed. There are general toxic manifestations.

Symptoms within. The incubation period is from 2 to 12 days (usually 3-8 days). Disease begins acutely. There are chills, muscle pain, body temperature rises to 40 'C. The fever lasts 5-6 days. Soon after the onset of the disease symptoms of lesions of the mucous membranes, burning sensation in the mouth, salivation, eye redness, pain when urinating. On sharply hyperemic mucosa the mouth there is a large number of small blisters filled with turbid yellowish liquid. After a day on the site of the bubbles formed ulcers. Speech and swallowing difficult. Apthae located on the oral mucosa (tongue, gums, palate), nose, vagina, urethra. Sometimes the affected skin especially in the interdigital folds and around the nails. Recovery occurs usually after 10-15 days. If the diagnosis is necessary to differentiate from aphthous stomatitis, gerpanginy and T. n. using virus isolation and serological tests (DGC IHA) to confirm the diagnosis.

Treatment. Oral Care, irrigation of 0.25% solution of novocaine. With the defeat of their eyes washed with a 2% solution of boric acid, 20% buried sulfatsil sodium solution. Food semi-liquid, non-irritating. Before eating the patient give 0.1 g anestezina. When expressed aphthous lesions sometimes resorted to feeding through a tube. Weather favorable.

Prevention. The fight against foot and mouth disease among animals. Prohibition of the use of raw milk products. Precautions when caring for sick animals.