[PPI : an update on side effects, use in prevention and withdrawal strategy].

Proton pump inhibitors (PPI) have long been considered as devoid of any toxicity, but recent studies have uncovered significant potential side effects related to long-term use. In addition, stopping treatment with PPI may cause a symptomatic rebound effect of acid production. This article reviews the current literature on strategies for rationalizing their use, limiting potential adverse effects and progressive discontinuation.