toxin skin test

The toxin skin test is a skin test using treated toxins, such as tetanus antitoxin intradermal test, tuberculin test, and the like. Basically the same allergy test, redness and induration in the skin test site, do not mind, they can disappear automatically. If blisters break down, rub with 1% gentian violet to prevent infection. Basic Information Specialist classification: growth and development check classification: immunological examination Applicable gender: whether men and women apply fasting: not fasting Analysis results: Below normal: Normal value: Negative: 5mm or less - mm Positive: 5mm or more - mm Above normal: negative: normal. Positive: There is a risk of infection. Tips: You should pay attention to eating habits, do not eat food that is irritating to the skin. Keep your skin clean. Normal value The toxin skin test was negative, that is, after the injection of the toxin, the reaction at the injection site was observed after 48 to 72 hours, and if there was no redness, the induration or induration was less than 5 mm. Clinical significance Abnormal results: 1. Tetanus anti-toxin in the intradermal test positive injection within 15 to 30 minutes after the local skin blush (hard swelling greater than 1cm); or skin rash, itching, dermatitis, conjunctivitis, inflammation, laryngeal edema, nausea, dizziness, palpitations Even blood pressure drops, irritability, paleness, sweating, confusion, cyanosis, difficulty breathing, and even death. This test is mainly used for the serological treatment guidance of people who are allergic to dust, cockroaches, pollen and other antigens. Generally, a variety of allergen tests are performed at the same time. Causes allergic reactions; severe breathing difficulties, and even convulsions and death. 2. The tuberculin test showed a strong positive reaction. People who need to be examined: potential traumatic wounded people with tetanus risk, suspected patients with latent tuberculosis and other symptoms and symptoms. Positive results may be diseases: small spirulina infection, poisonous insect bites, hairy tumors, staphylococcal food poisoning precautions Basically the same allergy test, redness and induration in the skin test site, do not mind, they can disappear automatically. If blisters break down, rub with 1% gentian violet to prevent infection. Inappropriate people: people with severe allergies. Taboo before the test: should pay attention to eating habits, do not eat food that is irritating to the skin. Keep your skin clean. Requirements for inspection: Actively cooperate with the doctor. Inspection process A tuberculin test: The method was the same as the allergy test, except that the time of observation was 72 hours after the test. The tuberculin test is a test solution made of tuberculin. Intradermal injection of 0.1 ml on the medial side of the forearm. After 48 to 72 hours, observe the reaction at the injection site. If there is no redness, the induration or induration is less than 5 mm. Redness, induration diameter of 5-9 mm is yang? K (+); induration diameter 10-19 mm is positive reaction (++), induration diameter is greater than 20 mm, or vesicles are strongly positive (++) +). Two tetanus antitoxin intradermal test: The skin test will be done with a 5ml syringe, the 7th needle will be replaced, the remaining TAT solution will be completely aspirated in a 5ml syringe, then diluted with water for injection to 3ml, intramuscular injection, 30min after injection. The total time required is 50min. The skin test result is positive: the skin test will be done with a 5ml syringe, the 7th needle will be replaced, the remaining TAT solution will be completely aspirated in a 5ml syringe, and then diluted with water for injection to 3ml in two injections, first intramuscular injection. After 1 ml, observe for 20 min without any discomfort, and then the remaining 2 ml was intramuscularly injected, and the second injection was observed for 30 min without any discomfort. The total time required is 70 min (20 min for skin test + 20 min for two injection intervals + 30 min after injection). Not suitable for the crowd Inappropriate people: people with severe allergies. Adverse reactions and risks No relevant records.