Testosterone therapy should only be initiated under the guidance of a qualified healthcare provider. It is necessary to assess the individual's medical history, perform lab tests, and determine whether testosterone therapy is appropriate.

Proper dosing is essential to prevent potential risks and side effects. Excessive testosterone levels can lead to health issues.

Common side effects might include acne, fluid retention, increased red blood cell count, mood swings, and potential negative effects on cholesterol levels. Long-term effects are still being studied.

There has been some concern about the potential cardiovascular risks associated with testosterone therapy, particularly in older men. Studies have produced mixed results, and the cardiovascular risks are not fully understood. It's important for individuals with preexisting heart conditions to discuss these risks with their healthcare provider.

Men with a history of prostate cancer or certain prostate conditions need careful monitoring. Testosterone therapy may increase prostate size. However, testosterone therapy is not implicated in prostate cancer.

Testosterone therapy suppresses natural testosterone production, potentially impacting fertility. This is a significant concern for younger men who may want to have children in the future. Other options should be discussed if you are wanting to preserve fertility.

Testosterone is important for maintaining bone density. Low testosterone levels can lead to osteoporosis. Testosterone therapy has been shown to increase bone mass and have a positive effect on bone health.