What symptoms might indicate a urinary tract infection in a patient?

The presence of increased frequency of urination and a burning sensation during urination are key symptoms that indicate a urinary tract infection (UTI). When bacteria enter the urinary tract, they can cause irritation and inflammation, leading to an increased urge to urinate, often with little urine produced each time. This urgency typically manifests alongside discomfort or a burning sensation, which is caused by the inflammation of the bladder and urethra.

In contrast, the other symptoms listed in the options relate to different health conditions or issues. Increased appetite and weight loss may point to metabolic or endocrine disorders, blurred vision and memory loss are more commonly associated with neurological conditions or diabetes, and dry skin and hair loss could suggest nutritional deficiencies or other dermatological issues. Recognizing the specific symptoms associated with UTIs helps healthcare providers initiate appropriate interventions and treatments promptly.