IN THE TREATMENT OF ALLERGIC RHINITIS IN ADULTS AND CHILDREN AGED 5 YEARS AND OVER, THE USUAL DOSE IN THE UK IS 140 MICROGRAMS BY NASAL SPRAY INTO EACH NOSTRIL TWICE DAILY. IN THE USA, HOWEVER, 2 SPRAYS OF A SIMILAR PREPARATION (SUPPLYING 137 MICROGRAMS PER SPRAY) MAY BE GIVEN INTO EACH NOSTRIL TWICE DAILY; CHILDREN AGED 5 YEARS AND OVER MAY BE GIVEN 1 SPRAY INTO EACH NOSTRIL TWICE DAILY. IN THE USA, AZELASTINE IS ALSO USED IN THE TREATMENT OF NON-ALLERGIC RHINITIS IN ADULTS AND CHILDREN AGED 12 YEARS AND OVER. THE DOSE IS 2 SPRAYS INTO EACH NOSTRIL TWICE DAILY. IN THE TREATMENT OF CONJUNCTIVITIS, AZELASTINE IS LICENSED IN THE UK FOR THE TREATMENT OF SEASONAL ALLERGIC CONJUNCTIVITIS IN ADULTS AND CHILDREN AGED 4 YEARS AND OVER AND FOR THE TREATMENT OF PERENNIAL ALLERGIC CONJUNCTIVITIS IN ADULTS AND CHILDREN AGED 12 YEARS AND OVER. IN THE USA, IT IS LICENSED FOR THE TREATMENT OF ALLERGIC CONJUNCTIVITIS IN ADULTS AND CHILDREN AGED 3 YEARS AND OVER. REGARDLESS OF THE AGE AND INDICATION, A 0.05% SOLUTION IS INSTILLED INTO EACH EYE TWICE DAILY; THIS MAY BE INCREASED TO FOUR TIMES DAILY IN SEVERE CONDITIONS.