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Gastrointestinal disorders: Regulan (Ispaghula), as with other bulk laxatives, may temporarily increase flatulence and abdominal distension when the product is first used. Other symptoms including nausea, diarrhoea and abdominal discomfort or pain have rarely been reported (<1 in 1000).
Intestinal obstruction and faecal impaction may occur very rarely (<1 in 10,000), especially if the product is taken with insufficient fluid.
Immune system disorders SOC: There are very rare reports (<1 in 10,000) of allergic or hypersensitivity reactions associated with the ingestion or inhalation of Ispaghula including skin rashes or allergic dermatitis, rhinitis, urticaria, bronchospasm and anaphylactic reactions.