Fixed drug eruptions (FDEs) represent a distinctive subset of adverse drug reactions, characterised by the recurrence of lesions at identical anatomical sites with each exposure to the causative ... Photos courtesy of Yelena Dokic, MD Two patients present with rash eruptions on different parts of the body. Can you correctly identify each case?

Understanding the Context

The terminology for scaly skin conditions dates back ... Key points A 69-year-old man presented to a dermatology clinic with a 1-day history of a painful erythematous rash. Four days before the rash appeared, he had begun Helicobacter pylori eradication ... The use of psychoactive drugs without medical supervision is associated with significant health risks and can lead to the development of drug use disorders.

Key Insights

Drug use disorders, particularly when untreated, increase morbidity and mortality risks for individuals, can trigger substantial suffering and lead to impairment in personal, family, social, educational, occupational or other important ... About WHO Drug Information WHO Drug Information is a quarterly journal providing an overview of topics relating to medicines development and regulation which is targeted to a wide audience of health professionals and policy makers. Launched in 1987, WHO Drug Information communicates the latest international news and trends to regulatory agencies, academic and training institutions, researchers ... The Unit works globally to improve health and well-being of populations by articulating, promoting, supporting and monitoring evidence-informed policies, strategies and interventions to reduce the burden associated with alcohol, drugs and addictive behaviours. Other patterns of drug resistance There were an estimated 1.5 million incident cases (95% UI: 0.59โ€“2.4 million) of isoniazid-resistant TB in 2024, including people with both rifampicin-susceptible and rifampicin-resistant TB.

Final Thoughts

In the Anatomical Therapeutic Chemical (ATC) classification system, the active substances are divided into different groups according to the organ or system on which they act and their therapeutic, pharmacological and chemical properties. Drugs are classified in groups at five different levels.