At the Department of Allergy and Clinical immunology of Bach Mai Hospital from the year 1981 – 2003, study was performed in vivo on 1.728 patients of drug allergy and a control group of 143 healthy students without allergic history. Results showed that the positive rate of mastocyte degenerative reaction was 81.2%, of the test of lymphocyte transformation was 76.2%, applicated skin test was 66.7%. The highly accurate test such as the total IgE quantification and the determination of the number of thrombocyte in the forth of T lymphocyte were recommended for complementing, the diagnosis and for minotring the treatment of drug allergy. Methyl-prednisolon, Dimedron, vitamin C and glucose solution were the main medication for allergic control. Patients with Stevens-Johnson and Lyell syndromes required special cares such as for burn, preliminary good results were given for 100% of patients. Mean duration of the course of treatment got 9.6 6.8 days and for Stevens-Johnson syndrome 16.1  9.5 days.
Diagnosis ; Therapeutics ; Hypersensitivity ; Iatrogenic Disease

The cross sectional study was conducted in 111 patients suffered from acute urticaria due to drug allergy at the Department of Allergology and Clinical Immunology of Bach Mai Hospital from January 2001 to May 2005. Results: these patients were allergic to 120 kinds of medications; antibiotic were the leading cause of the acute urticaria with 55.8%, among which beta lactam is the most common cause; then traditional medications with 15.8% … Patients often included 2 groups: <20 and 20-39 years (34.2%), women more than men (p<0.005). The rate of oral allergy accounted for 88.3%; 50.4% of patients had allergic history. Allergy to one kind of medication 91.9%. The duration of acute urticaria was from 1 to 24 hours (48.6%). Increase of erythrocyte sedimentation rate occurred in 62.2% of patients. The duration of treatment was 6.57±3.56 days. The patients were treated with glucocorticoid and antihistamine, mainly methyl-prednisolon and dimedrol. 100% of patients recovered
Urticaria ; Hypersensitivity

At the Department of Allergy and Clinical Immunology of Bach Mai Hospital in 1981-2003 year period, 1.728 patients with drug allergy and a controll group including 143 healthy students without allergic history were enrolled into study. Almost drug had been used in consultative clinic could make allergic reaction. 128 type of medicines could make diverse allergic reactions on 1.728 patients. Among 27 groups of medicine, antibiotics were the main caused with 72.4%. The main clinical symptoms of drug allergy in 615 inpatients were itchi, fever, dizzi, uncomfortable feeling and urticaria and some dangerous symdroms as Stevens-Johnson and Lyell syndrome.
Diagnosis ; Hypersensitivity/etiology ; Iatrogenic Disease

Retrospective and cross-sectional study on 60 patients with cosmetic allergy treated at Department of Allergology – Clinical Immunology and National Institute of Dermatology and Venerology in Bach Mai Hospital between January 1992 and February 2004. Results: there are plentiful and diversified cosmetics caused allergic reactions with 30 types divided into 6 groups: skin care cream (33.3%), dye hair (20.0%), powder foundation, toilet soap, other creams (21.7%), and other cosmetics. Allergic reactions commonly occurred in females, with common clinical symptoms such as itching, erythema, prurigo, vesicle, infected vesicle, edema, etc. They were treated by corticosteroid, anti-histamine H1, antibiotics, solution infusion, vitamin and other drugs. There was no death or more serious allergic reactions.
Hypersensitivity ; Cosmetics ; Epidemiology

Studies on uticaris and quincke edema due to allergy of medications at the ward of Allergology and clinical immunology of Bach mai hospital (1991-2000). Result showed that: almost medications are used in medical clinic can cause allergic reactions. There were 393 kinds of medication that caused allergic reaction on 375 patients. In 23 different groups of medication. Antibiotics were main cause (67.2%) of allergic reactions, Beta-lactam class is 60.6% in the antibiotic group. besides urticaria and Quincke edema, there are many other clinical symptoms of allery from 375 in-patients: fever, erythema, dermatitis, dispnea. Allergic reactions were happened early (before 24 hours). Elevated ESR, white blood cell are main changes of teast. It takes short time to treat allergic patients (7.9 to 5.6 days). Solution of Methyl-Prednisolon, Dimedrol, Ascorbic acid and glucose 5% are common medications to treat this patients. No death occurred in patients of urticaria and Qincke edema during study periof.
Angioedema ; Hypersensitivity ; Edema

There were 52 patients (30 females and 22 males) suffered from allergic dermatitis admitted to at the Department of Allergology and Clinical Immunology in Bach Mai Hospital (1999-2003). The results showed that: Antibiotic use is main cause of alergic dermatitis, in which phenicol class related to most cases. There were 4 main symptoms of allergic dermatitis: itching, erythema, oedema and vesicle. Symptoms always happened lately. Glucocorticoids, antihistamins and vitamin C are main medications to treat patients with allergic dermatitis.
Dermatitis, Allergic Contact ; Hypersensitivity ; Dermatitis

Retrospective study on 1026 patients with asthma at Bach Mai Hospital from 1 January 1998 to 31 January 2002. Among them, 69.4% were 21 to 50 years old, with no different in sex. Hospitalized rate was highest in annual November. Glucocorticoid was used in all these patients with common kinds as solu-medrol: 76.2%; prednisolone: 67.7%; depersolone: 44.3% và Pulmicort: 7.6%. Rate of complication related to glucocorticoids was 28.7%. There were 24 types of symptom, including high blood glucose (11.5%), hypokaliemia (9.45%), hypertension (3.45%), gastric ulcer (2.83%), Cushing syndrome (2.53%). 7 systems damaged were endocrine (27.54%), musculoskeletal (4.28%), skin and mucous membrane (3.19%), gastrointestinal (4.96%), cardiovascular (3.7%), nervous and sense organs. There were 10 kinds of diseases and syndroms related to glucocorticoid use: hypertension, gastric ulcer, Cushing syndrome, diabetes, ponosis, retarded development, urticaria, anapphylactic shock, cataract, metal disorders, secondary bacterial contamination
Asthma ; Glucocorticoids/adverse effects ; Pharmaceutical Preparations

A study on 24 allergic patients due to carbamazepine (1991- 1998) was performed at Bach mai Hospital. Results showed that: - The first signs of allergy appear late(11.37+4.56 days). - Main clinical symptoms of allergy are necrosis at natural cavities, erythema, fever. - The main clinical form of allergy is Stevens-Johnson syndrome (79.16%). - Elevated ESR, SGOT, SGPT are the main changes in tests. - It takes a long time to treat allergic patients due to carbamazepine (12.61+35days) - Glucocorticoid, dimedrol, glucose and ascorbic acid solution are the common medications.
Hypersensitivity ; carbamazepine

Preliminary results of the study on allergic reaction of NSAID. Allergic patients due to antipyretics, analgesics, non-steroid anti-inflammatory drugs (1995-1999) were performed at Bach Mai Hospital. Result showed that: most anti-pyretics, analgesics, no-steroid anti-inflammatory drugs can cause allergic reactions. The first sign of allergy appeared early. Main clinical symptoms of allergy are itching, erythema, fever and urticaria. The average concentration of total serum IgE in the group of allergic patients is higher than in the group of healthy persons. Methyl prednisolon, dimedrol, glucose and ascorbic acid solutions are common medications to treat allergic patients. From 30 allergic patients, there was no death.
Hypersensitivity ; Anti-Inflammatory Agents, Non-Steroidal ; Pharmaceutical Preparations

During 1981-2000, in Bach Mai Hospital, 1,465 patients with drug allergy were consulted and treated. Among them, 9 cases died of Stevens-Johnson and Lyell syndrome. There were 121 kinds of drug allergy. 215 of health staffs suffered the drug allergy showed the risk of allergy among health staffs was higher 2.5 times.
Drug Hypersensitivity ; epidemiology ; Pharmaceutical Preparations