| ID | 209 |
|---|---|
| Name | CONTACT DERMATITIS |
| Cause | Causes: 1. Direct irritant- soap, acetone, acid, alkali, phenol etc. 2. Allergic contact dermatitis- a. Drugs- penicillin, sulphonamide, diphenhydramine, benzocaine etc. b. Mercury, nickel, nail polish, etc. c. After shave lotion, perfumes, coaltar etc. |
| Signs Symptoms | |
| Diagnosis | |
| Investigations | |
| Management | Management: 1. Removal or avoidance of offending agent is must. 2. Application of wet colth to the lesion for half an hour, 4-6 times a day is soothing & cooling. 3. Oral corticosteroids like prednisolone 40-60mg/day for 2 weeks in severe or extensive cases. 4. Topical corticosteroid is not helpful in the blistering stage. 5. Antihistamine is of little help. |
| Introduction | It is an acute or chronic inflammation, produced by substances in contact with the skin. |
| History | |
| Etiology | |
| Clinical Features | Clinical features: 1. History of exposure to irritants, & occupation, household duties, topical medication, cosmetics are helpful for diagnosis. 2. Transient redness to swelling, itching & vesiculation in any part of the skin that comes in contact with any of the sensitizing agents. Firstly it is sharply localised but later may spread to other areas. 3. If the cause is removed, erythema disappears within a few days & blisters dry up. 4. Vesicles and bulle may rupture and causes oozing and crust formation subsequently. |
| Preventions | |
| Treatment | |
| Complications | |
| Prognosis | |
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| Observation | |
| Pathology |
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