Men's Health6 min read

Low Testosterone: Signs, Symptoms, and Treatment

Understanding the signs of low testosterone and the treatment options available to help restore your vitality and well-being.

Dr. Jane Smith, MD, FACP

December 28, 2025

Active man representing men's health and vitality

Understanding Testosterone

Testosterone is the primary male sex hormone, playing a crucial role in muscle mass, bone density, fat distribution, red blood cell production, and sexual function. While testosterone levels naturally decline with age—about 1% per year after age 30—some men experience more significant drops that can affect their quality of life. Understanding the signs of low testosterone is the first step toward getting help.

Common Signs and Symptoms

Low testosterone can manifest in many ways. Physical symptoms include fatigue, decreased muscle mass, increased body fat, reduced bone density, and hair loss. You might also experience sexual symptoms like reduced libido, erectile dysfunction, or decreased spontaneous erections. Emotional and cognitive symptoms can include depression, irritability, difficulty concentrating, and decreased motivation.

When to Seek Evaluation

If you're experiencing several of these symptoms consistently, it's worth getting evaluated. Many men dismiss these signs as normal aging, but low testosterone is a treatable medical condition. A simple blood test can measure your testosterone levels and help determine if hormone therapy might benefit you.

Diagnosis and Testing

Diagnosing low testosterone involves more than a single blood test. Your provider will review your symptoms, medical history, and perform a physical exam. Blood tests are typically done in the morning when testosterone levels are highest, and multiple tests may be needed to confirm the diagnosis. Your provider may also check other hormones and health markers.

Treatment Options

Testosterone replacement therapy (TRT) comes in several forms, including injections, gels, patches, and pellets. Your provider will help determine the best option based on your preferences, lifestyle, and health profile. Treatment aims to restore testosterone to optimal levels, alleviating symptoms while monitoring for any potential side effects.

What to Expect from Treatment

Many men notice improvements in energy, mood, and libido within a few weeks of starting treatment. Muscle mass and strength improvements typically follow over several months. Regular monitoring ensures your levels stay optimal and allows for adjustments as needed. At Verve Health, we provide comprehensive men's health services including testosterone evaluation and treatment.