CBS NEWS — Millions of American men are taking testosterone drugs many to increase energy, muscle mass and libido.
The problem, known by many as Low T, has received more and more attention in the last few years.
But now dozens of lawsuits are alleging FDA approved testosterone drugs are not carrying strong enough warnings.
The FDA has issued a statement saying as a result of two recent studies it is now going to investigate the cardiovascular risks for men taking testosterone products which are FDA-approved only for use in men who lack or have low testosterone levels in conjunction with an associated medical condition.
WBBM-TV reported some men have had serious adverse reactions to taking medications to treat low testosterone.