
thumb|Saridon (Combination drug with Propyphenazone) from Hoffmann-La Roche|Hoffman-La Roche, ca. 1950/60 Propyphenazone (known as isopropylantipyrine in Japan) is a derivative of phenazone with similar analgesic and antipyretic effects. Originally patented in 1931, propyphenazone is marketed as a combination formulation with paracetamol and caffeine for treatment of primary headache disorder.
via PubMed
thumb|Saridon (Combination drug with Propyphenazone) from Hoffmann-La Roche|Hoffman-La Roche, ca. 1950/60 Propyphenazone (known as isopropylantipyrine in Japan) is a derivative of phenazone with similar analgesic and antipyretic effects. Originally patented in 1931, propyphenazone is marketed as a combination formulation with paracetamol and caffeine for treatment of primary headache disorder.
==Serious adverse events== Case reports have described acute inferior-wall myocardial infarctions characterized by low atrial rhythms (Kounis syndrome) secondary to propyphenazone use.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).