Good day. Ladies who had been diagnosed with low urine output, how wer…

Good day. Ladies who had been diagnosed with low urine output, how were they treated or what measures did they take in such cases? Today I had an ultrasound and was told I have low urine output, sent to see a doctor for short-term monitoring, she prescribed a drug but it's for heart issues, my grandmother takes the same one...and I just can't bring myself to buy it...TIVOMAX-A