Testosterone shots riskier than gels, patches

Short-acting testosterone injections carry a higher risk of MI, stroke, hospitalisation and death than patches and gels, according to the first-ever study comparing different testosterone dose forms.

Testosterone injections may be riskier because they cause spikes in testosterone levels, while patches and gels result in more subtle, short-term increases of testosterone, the study authors say.

A retrospective analysis of more than half a million testosterone users in the US and UK found that the risks of MI, unstable angina, stroke, hospitalisation and death