The disclosure is of a combination of lactic acid bacteria comprising: (a) a first component consisting of at least one strain of H<；SUB>；2<；/SUB>；O<；SUB>；2<；/SUB>；-producing lactic acid bacteria； and (b) a second component consisting of at least one strain of arginine-utilizing lactic acid bacteria. The disclosure is also of the use of this combination for making a food supplement, a hygiene product or a pharmaceutical preparation for the prevention and/or treatment of infections and inflammatory conditions caused by bacteria, viruses or fungi, especially in the mouth, vagina, urethra, nose, eyes and ears.
