Patient selection and careful monitoring are important with testosterone therapy

Adult-onset hypogonadism (AOH) is serum testosterone deficiency with signs or symptoms of hypogonadism in a man with previously normal development and testosterone levels.1

Symptoms commonly include a reduction in sexual desire and erectile dysfunction, as well as possible systemic symptoms — including mood changes, sleep disturbance and reduced cognitive function. Symptoms are often caused by normal ageing or other comorbidities, such as diabetes, obesity, metabolic syndrome and moderate-severe