Ask your GP! Go along and ask for vaginal atrophy treatment, I use Ovestin1mg and other ladies use Vagifem. It can be prescribed by your Surgery. Don't let them fob you off with urine 'infection' although they may want to send a urine sample to a Lab. to see whether it 'grows' bugs.
Initially one uses the product prescribed every night for 2 weeks then every 3 and 5/6th night, i.e. twice a week.