Phenolic acid content and antiadherence activity in the urine of patients treated with cranberry syrup ( Vaccinium macrocarpon ) vs. trimethoprim for recurrent urinary tract infection

•Some metabolites of cranberry such as hydroxybenzoic acid or hydroxycinnamic acid, may also be responsible for the antibacterial effects described in vivo.•Our study confirms that the effect of cranberry and trimethoprim may be similar in the prophylaxis of recurrent urinary tract infection in children.•Our study confirms that the cranberry is safe and effective in the prophylaxis of urinary tract infection in child.