Many of the listed side effects can be assigned to the anticholinergic properties of Buscopan. Anticholinergic side effects of Buscopan are generally mild and self-limited.
Immune system disorders: Anaphylactic shock, anaphylactic reactions, dyspnoea, skin reactions (e.g. urticaria, rash, erythema, pruritus) and other hypersensitivity.
Cardiac disorders: Tachycardia.
Gastrointestinal disorders: Dry mouth.
Skin and subcutaneous tissue disorders: Dyshidrosis.
Renal and urinary disorders: Urinary retention.