What symptom might suggest a problem with the prostate?

The symptom of painful urination and difficulty starting urination is indicative of potential issues with the prostate, such as benign prostatic hyperplasia (BPH) or prostatitis. These conditions can lead to urinary symptoms due to the prostate's anatomical location surrounding the urethra. When the prostate becomes enlarged or inflamed, it can constrict the flow of urine, leading to discomfort and difficulty initiating urination.

In men, these symptoms are particularly significant and can prompt further investigation, as they are commonly associated with prostate pathology. Other symptoms might include increased frequency of urination, urgency, or even blood in the urine, all of which warrant further evaluation to rule out prostate-related disorders.

The other options—an increase in muscle mass, excessive thirst, and frequent headaches—do not directly relate to prostate health or function. An increase in muscle mass is more aligned with other factors, such as exercise or hormonal changes. Excessive thirst could suggest issues related to diabetes or dehydration, while frequent headaches may arise from a variety of unrelated medical conditions, but not specifically from prostate problems. Thus, the presence of painful urination and difficulty starting urination stands out as a clear symptom that signals potential prostate issues.