I'm afraid that the Jury is out regarding cranberry juice - however, drinking plenty is important but we do get liquids from the general diet. If you fancy cranberry juice then drink it, people drunk
Ribena when I was a kid but I can't stand that either.
Check the colour of your urine - dark is not drinking enough, light is too much; urine should be straw coloured. The first pee of the day will be darker and may smell, otherwise it shouldn't have an odour. The body 'asks' for liquids by being thirsty.
Some ladies have found D-mannose useful. Barley water was the suggestion of choice for years but I can't stand the taste
. That goes back to the 1950s when Granny suggested it .......
Make a note of what your liquid intake is by measuring in a pint jug? You could also check by peeing into another jug what your output is ..... for 3 days. But I found it a real phafff
.