A comparison of the side-effects of amoxycillin and pivampicillin.

In 91 patients with urinary tract infections treated with amoxycillin or pivampicillin, the incidence of side-effects was high with both preparations. Although the majority of the side-effects were of minor nature, there was a significantly higher incidence of upper gastrointestinal complaints in those patients receiving pivampicillin (29.5%) as opposed to amoxycillin (6.4%).