I en samlet analyse af 16 dobbeltblindede kliniske undersøgelser med 4131 patienter, var incidensen af spontant rapporteret hoste hos patienter, der fik losartan den samme (3, 1%) som hos de patienter, der fik placebo (2, 6%) eller hydrochlorthiazid (4, 1%), hvorimod incidensen med ACE- hæmmere var 8, 8%).
In addition, in an overall analysis of 16 double-blind clinical trials in 4131 patients, the incidence of spontaneously reported cough in patients treated with losartan was similar (3.1%) to that of patients treated with placebo (2.6%) or hydrochlorothiazide (4.1%), whereas the incidence with ACE inhibitors was 8.8%.