Store in dry avoid storing it in the bathroom, near sinks, or other areas where it may become damp. The Board response was, Physicians are responsible for maintaining professional boundaries with patients. Studies suggest however that inderal purchase online p-gp is not dose-limiting for intestinal absorption of propranolol in the usual therapeutic dose range. It specifically competes with beta-adrenergic receptor agonist agents for available receptor sites. Keep Inderal and all medications out of the reach of children. Benzodiazepines Propranolol can inhibit the metabolism of diazepam, resulting in increased concentrations of diazepam and its metabolites. Cutaneous reactions, including Stevens-Johnson Syndrome, toxic epidermal necrolysis, exfoliative dermatitis, erythema multiforme, and urticaria, have been reported with use of propranolol see ADVERSE REACTIONS.