Testosterone hormones can create interrupted sleep patterns, causing drowsiness
and sleepiness during the day. Testosterone
injection can alter cholesterol levels, liver
function tests, can cause gynaecomastia and
some in unusual symptoms, such as numbness, tingling sensation, loss of appetite, increased thirst, and male patterned baldness. Testosterone if taken in therapeutic doses rarely causes side effects. You should not increase your dose or take this more often than directed.