Are urinary tract infections dangerous for the elderly?

Sometimes. There is a potential for a urinary tract infection to lead to sepsis (blood infection), which is much more difficult to control. Therefore, treating a urinary tract infection early and appropriately when symptoms start is much more advantageous.
Could be. Infections can become life threatening if the infection gets into the bloodstream and causes sepsis.

Related Questions

What could be the causes of urinary tract infections in elderly men?

UTI isUnusual in men. The infection usually tracks upwards through the urethra. Causes may include sexual activity, non circumcision with suboptimal hygiene, or unknown. In men however, a UTI may warrant ultrasound to rule out a structural abnormality like a stone since UTI is not common in men like in women. Read more...
Enlarged prostate. Prostatic enlargement can lead to progressive urethral + bladder neck obstruction leading to impaired bladder drainage + various degrees of urinary retention. Also can develop bladder diverticula (outpouchings) from increased voiding pressures in bladder, which do not empty with urination. Retained urine "stagnates" and is fertile ground for utis. Read more...

Why do I keep getting urinary tract infections?

Many causes. Tjere can be many factors. It would be best to see a physician to determine why you have infections. Read more...
Underlying problem? In males utis exist only secondary to something else like obstruction to the urinary tract by enlarged prostate, kidney stones, urinary reflux, prostatitis, low immune system & others. In females is frequent to have one to three utis a year because the urethra is smaller allowing bacteria to get inside easily. To hold the desire to urinate for long periods promotes utis. Read more...

How come I get so many urinary tract infections?

UTI risks. The most common reasons center around issues of hygiene and hydration status. Make sure these things are optimized, and then review with your doctor if symptoms persist. Read more...