Hypogonadism is defined as an impairment in testicular or ovarian function. Your physician will often do both a free and a total testosterone level to adequately diagnose this very correctable condition. Testosterone is a hormone associated with energy, sex drive, appetite and mood. Weight loss, depression and, occasionally, impotence can follow. This is a common side effect in people who show no other symptoms.
Injections are far more common and with good reason.
You can find yourself hungry and ready to tackle anything. Intramuscular injections of 200-300 mg every one or two weeks are common dosing schedules. The downside of injections is the rollercoaster effect. The drug is metabolized quickly, and often people's testosterone levels fluctuate during their injection cycle. Transdermal testosterone patches are more efficient in delivering a steady dose of the hormone.