Bayer nausea and gastric pain. He also said he had invented the name "aspirin" and was the first person to use the new formulation to test its safety and efficacy. Bayer contends that aspirin was discovered by Felix Hoffmann to help his father, who had arthritis. Various sources support the conflicting claims. Most mainstream historians attribute the invention of aspirin to Hoffmann and/or Eichengrün. Heroin (diacetylmorphine), now illegal as an addictive drug, was introduced as a non-addictive substitute for morphine, and trademarked and marketed by Bayer from 1898 to 1910 as a cough suppressant and over-the-counter treatment for other common ailments,
Analgesic nephropathy abnormal urinalysis results, high blood pressure, and anemia. A small proportion of individuals with analgesic nephropathy may develop end-stage kidney disease. Analgesic nephropathy was once a common cause of kidney injury and end-stage kidney disease in parts of Europe, Australia, and the United States. In most areas, its incidence has declined sharply since the use of phenacetin fell in the 1970s and 1980s. Common findings in people with analgesic nephropathy include headache, anemia, high blood pressure (hypertension), and white blood cells in the urine (pyuria). Some individuals with analgesic nephropathy may also have protein in their urine (proteinuria). Complications of