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1.
Indian Dermatol Online J ; 14(1): 50-54, 2023.
Article in English | MEDLINE | ID: mdl-36776185

ABSTRACT

Background: An adverse cutaneous drug reaction (ACDR) is an undesirable change in structure and function of the skin, its appendages, or mucous membranes due to drugs. Aims and Objectives: To study the demographic details, clinical patterns, mucocutaneous involvement, causality, and the offending drugs causing ACDR. Materials and Methods: In this observational study, we have seen 2,96,544 patients in the skin department at a rural-based tertiary health-care hospital, out of which 728 cases were diagnosed to have ACDR from a time span of April 2010 to March 2021. The causality assessment system WHO-UMC (World Health Organization Collaborating Centre for International Drug Monitoring, the Uppsala Monitoring Centre), the Naranjo probability scale, and Hartwigs score were calculated for patients. Results: Out of 728 cases, males were 371 (50.96%); most common age group was 21-30 years (25.13%). The most common presenting complaint was erythematous rash (21.29%). Antimicrobials (n = 345, 47.39%) were the most common drug group. Most common mucosa involved was oral mucosa and most common pattern of reaction seen was maculopapular rash (25%) among these patients. In the causality assessment using WHO guidelines, there were 66 (9.1%) certain, 224 (30.83%) probable, and 436 (60%) possible cases. Naranjo score showed 73 (10%) definite cases, 255 (35%) probable cases, and 400 (55%) possible cases, while Hartwigs score showed level 2 in 122 (16.7%) cases and level 3 in 412 (56.7%) cases. Conclusion: Wide spectrum of drug reactions were observed in this study. Antimicrobials were the most common causative agents of ACDR.

2.
Indian Dermatol Online J ; 13(6): 757-764, 2022.
Article in English | MEDLINE | ID: mdl-36386735

ABSTRACT

Context: Chemotherapy and radiation therapy given to treat internal malignancies may cause cutaneous, hair, nail, and oral mucosal changes. The present study is an effort to know the pattern of cutaneous drug reactions with chemo and radiotherapy. Materials and Methods: Patients of internal malignancies with skin lesions attending the dermatology and oncology OPD/ward were recruited after taking their written consent in vernacular language. A detailed history of skin lesions, malignancies, and treatment was taken. Clinical examination was carried out. Relevant investigations and biopsy were carried out as and when required. Being a descriptive study, age group and gender-wise frequency and percentage were calculated for the treatment of malignancies and dermatosis. Results: The study included 150 patients with 28 different types of internal malignancies, of which 127 (84.66%) patients were treated, 45 (35.43%) treated exclusively with chemotherapy, 16 (12.59%) with exclusive radiation therapy, and 66 (51.96%) with combined chemo and radiation therapy. Total 111 (87.41%) patients received chemotherapy and 82 (64.56%) patients received radiation therapy. Most common internal malignancy was breast carcinoma in 43 (28.67%) cases. Most common chemotherapeutic agent given was paclitaxel to 33 (29.73%) patients. Most common dermatosis associated with exclusive chemotherapy was hand-foot syndrome in 7 (15.55%) cases and with exclusive radiation therapy was radiation dermatitis in 8 (50%) cases. Conclusions: The study was useful in understanding various chemo and radiation therapy-associated dermatosis so that early interventions can be done to prevent further treatment-related adverse effects. Limitation: Small sample size and inability of pinpointing a single drug as the side effect.

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