Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: UMLS:C0042109 (urticaria)
 6,569 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

A 10-year-old asthmatic boy began to suffer from urticarial rash and moderately severe bronchospasm after 8 weeks' treatment with disodium cromoglycate. Initially, DSCG had helped to control his asthmatic attacks, and steroid therapy could be discontinued. Inhalation provocation test with DSCG aerosol, 4 months after stopping DSCG treatment, showed an immediate-type 1 response and urticaria. A repeat provocation test, under antihistaminic cover , failed to produce similar response. When DSCG was withdrawn, urticaria vanished and the child remained symptom-free. Disodium cromoglycate is regarded as the possible aetiological agent.
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PMID:Asthma and urticaria during disodium cromoglycate treatment. A case report. 1 95

A hypersensitivity reaction to orally administered phenoxymethyl penicillin is reported. The manifestations of the reaction included fever, arthralgia, urticaria and an irregular pulse. Serial ECG showed second-degree atrioventricular block with junctional escape beats, an atypical Wenckebach pattern and, finally, first-degree atrioventricular block with gradually decreasing PR intervals. A normal tracing was recorded on the sixth day despite the persistence of the rash and joint pains.
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PMID:Unusual evidence of myocardial involvement during a hypersensitivity reaction to oral penicillin. 10 Apr 72

A fixed drug eruption due to paracetamol is reported. Over 10,000,000 prescriptions (EC10) for paracetamol are issued annually and rashes occurring as possible adverse reactions to this drug are reported fairly frequently to the Committee on Safety of Medicines (Committee on Safety of Medicines-personal communication). These include urticaria, angioneurotic oedema, purpura, morbilliform and scarlatiniform rashes, erythema nodosum, eczema, alopecia and nail changes but in many of these cases the cause-effect relationship is unproven. One strongly suspected case (Savin, 1970) was reported from St John's Hospital. This was a patient who developed a fixed drug rash after taking a chlormezanone-paracetamol combination. However, no other reports of a fixed drug rash which was proved to be due to parcetamol have been found.
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PMID:A fixed drug eruption due to paracetamol. 12 95

Rates of allergic skin reactions to commonly used drugs were estimated from data obtained on 22,227 consecutively monitored medical inpatients. A total of 57 drugs were implicated with skin reactions. Five or more reactions were attributed to each of 22 drugs (or drug groups). Many commonly used drugs did not appear to cause any allergic reactions. The study provides the practicing physician with drug-specific quantitative data that can be used to evaluate the causes of drug-induced rash, itching, or hives.
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PMID:Rates of cutaneous reactions to drugs. A report from the Boston Collaborative Drug Surveillance Program. 12 41

Ampicillin is the most commonly prescribed antibiotic in the United States, and causes skin reactions in five to ten percent of patient populations. These reactions are considerably more frequent in patients with a viral illness, infectious mononucleosis, and lymphocytic leukemia. Skin reactions to ampicillin are usually of two types: a maculopapular rash in about two thirds of cases, and urticaria in about one third of cases. There is strong evidence that the maculopapular rash is a benign, nonallergic phenomenon. Patients with the maculopapular ampicillin rash are often incorrectly labeled as allergic to ampicillin/penicillin. Ampicillin can be continued and administered again in the future in these patients, and this kind of skin reaction resolves spontaneously in a few days without sequelae. Skin tests are neither required nor recommended to document the nonallergic basis of the maculopapular ampicillin rash.
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PMID:The ampicillin rash as a diagnostic and management problem: case reports and literature review. 15 Nov 25

Fifteen rashes were observed in thirteen patients in association with high dose methotrexate therapy. The lack of recurrence of the rash with further treatment courses and the association of the rash with other toxic manifestations and with larger doses of methotrexate suggests a toxic mechanism. Rashes have frequently been reported in association with dose methotrexate therapy (Van Scott, Auerbach & Weinstein, 1964; Leone, Albala & Rege, 1968; Mitchell et al., 1968; Capizzi et al., 1970; Jaffe et al., 1973; Rosen, Suwansirikul & Kwon, 1974; Pratt et al., 1975; Jaffe & Traggis, 1975; Ensminger & Frei, 1977; Stoller et al., 1977). They include perifolliculitis, transient erythema progressing to maculopapular eruptions, occasionally desquamating, sloughing over pressure areas, reactions confined to radiation portals, exacerbation of acne, photosensitivity and rarely urticaria. Relatively few reports sufficiently document the incidence or types of rash. It has been suggested that the rash is allergic in nature (Mitchell et al., 1968) or a toxic phenomenon (Djerassi et al., 1972; Djerassi & Kim, 1976), possibly related to drug effects on small vessels (Van Scott, 1963).
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PMID:Toxic rash associated with high dose methotrexate therapy. 31 98

25 Sera from children with the clinical diagnosis: urticaria, allergic-toxic exanthema were examined for the complement components C3, C4 and C3-Activator. We applied the radial immunodiddusion. As controls served 50 helathy children and 25 children with morbili, rubeolae and scarlet fever. C3 was found to be decreased in 23 cases, C4 in 4 and C3-Activator in 19 cases of urticaria. This indicates the possiblity for the differential diagnosis, but children of the control groups did not show any consumption of one of the described complement components.
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PMID:[Complement pattern in children with allergic-toxic exanthema--a contribution to differential diagnosis (author's transl)]. 40 79

An apparent case of folic acid hypersensitivity and fever in a 36-year-old anephric man is reported. The patient first experienced pruritus when he received 1 mg of folic acid daily; the drug subsequently was discontinued. Three months later, after administration of 1 mg of folic acid daily, the patient became febrile and pruritic. Fever, generalized pain, chills, urticaria and pruritus persisted despite administration of acetaminophen/oxycodone tablets. Leukocytosis was not present. Challenge with a 10-mg/ml folic acid solution intradermally revealed the patient was hypersensitive to folic acid. Previous reports of folic acid-induced hypersensitivity are reviewed. Hypersensitivity to folic acid should be suspected if a patient experiences fever or rash, or both, while receiving folic acid and if neither symptom can be attributed to infection or other pathologic state.
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PMID:Folic acid hypersensitivity and fever: a case report. 51 48

The reliability of skin testing in the diagnosis of penicillin allergy was studied in 86 adults and 167 children with a history of possible hypersensitivity reactions to penicillin. Skin testing was done with the major antigenic determinant of benzylpenicillin and minor determinants of benzylpenicillin, ampicillin, cloxacillin, methicillin and cephalothin. The overall frequency of positive skin reactions was 11.5%. Among the patients with positive skin reactions about half had a history of immediate or accelerated reactions to penicillins, but 2 of 11 adults and 50% of the children in this group had a history of maculopapular rash of delayed onset. There was a low frequency of positive skin reactions when there was a long interval between the times of clinical reaction and skin testing. Of 169 patients reacting negatively to skin testing who received a specific drug challenge only 2 manifested mild urticaria; this indicates the reliability of the skin tests in predicting penicillin allergy. The major and minor determinants of benzylpenicillin were the most useful reagents. One fifth of the patients with penicillin hypersensitivity would have been missed if the major determinant of benzylpenicillin alone had been used for skin testing. The additional use of the minor determinants of other penicillin derivatives, however, did not increase substantially the clinical reliability of the skin testing procedure.
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PMID:Diagnosis of penicillin allergy by skin testing: the Manitoba experience. 63 9

We report the histopathologic and dermatologic manifestations of eight patients with hypereosinophilic syndrome (HES). Skin lesions occurred in eight patients (53%) in a group of 15 patients with HES, and were generally of two types: (1) erythematous pruritic papules and nodules, or (2) urticaria and angioedema. As HES was treated with appropriate therapy, the skin lesions improved. Skin eruption may be the only manifestation of disease in otherwise asymptomatic patients with HES.
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PMID:Dermatologic manifestations of the hypereosinophilic syndrome. 1684 17


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