[«Sulfonamide allergy» - which drugs must patients avoid?].Tidsskr Nor Laegeforen. 2016 Jun; 136(10):915-8.TN
Allergic reactions to sulfonamide antibiotics are common. A number of other drugs (for example diuretics, anti-diabetic drugs, cyclooxygenase-2 inhibitors and triptans) are also chemically speaking sulphonamides, and many of these are considered to be contraindicated in patients who have experienced an allergic reaction to sulfonamide antibiotics. What is the risk of allergic cross-reactivity between different sulfonamides and to what extent must this be taken into account in clinical practice?