[Tolerance of famotidine. Study of network of sentinel physicians in pharmaco-vigilance].
This paper presents the results of an intensive surveillance based on a network of general practitioners and following 200 patients treated by famotidine 40 mg per day during 6 to 8 weeks. Four patients with a previous experience of adverse reaction to another H2 antagonist did not relapse with famotidine. None interaction was reported with drugs such as beta-blockers, oral anticoagulants, theophylline, benzodiazepines, calcium antagonists. Twenty four clinical side effects were reported; For 5 patients (2.5%) the treatment had to be stopped. The most common side effects were neurological. The results are compared with those of previously published studies.