Table 3. APs involved in the reported reactions according to the clinical entities. CR: Cross-reactive type hypersensitivity. NECD: NSAIDs-exacerbated cutaneous disease. NERD: NSAIDs-exacerbated respiratory disease. NIUA: NSAIDs-induced urticaria/angioedema. SNIDRs: Single-NSAID-induced delayed reactions. SNIUAA: Single-NSAID-induced urticaria/angioedema and anaphylaxis. SR: Selective reaction.