This is Dr. David
you need a urinalysis and urine culture to check for urinary tract infections.
you also need a bladder ultrasound to check for bladder stones which can cause pink urine
you should avoid dehydration and drink plenty of water and fluids and avoid alcohol which can irritate the bladder.
you may need a cystoscopy procedure where a urologist looks inside of your bladder with a thin camera to look for sources of bleeding in your bladder.
let me know if you have other questions.
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