Fortesta Stroke InformationMany men on testosterone replacement therapy use Fortesta, a gel product that is applied directly to the skin. It is known to cause blood clots in the legs. Recent studies have also raised alarm about blood clots in the brain, also known as ischemic strokes.

Need a Texas Fortesta Lawyer? Collen A. Clark is a true advocate for his clients and is passionate about helping Texans that have been injured or wronged. If you or a loved one was injured by Fortesta, you should contact our lawyers immediately. You may be entitled to compensation by filing a lawsuit in Texas.

Fortesta and Strokes

Fortesta (testosterone gel) is known to thicken the blood and elevate blood pressure, which can potentially cause blood clots in the legs. In some cases, blood clots can occur in other areas of the body. If they travel to the brain, they can cause an ischemic stroke.

Fortesta Label Updated With Stroke Warnings

March 3, 2015 — The FDA issued a Safety Communication and announced that the label on Fortesta and other testosterone products must be updated to warn about the possible increased risk of stroke. The FDA also cautioned that Fortesta is not approved or recommended for treating “Low T” associated with aging. Click here to read more.

Testosterone Linked to 30% Increased Risk of Stroke, Heart Attack, Death

November 2013 — Journal of the American Medical Association has published a study linking testosterone replacement therapy to a 30% increased risk of stroke, heart attack, and death in the first 90 days of treatment.

Conclusions were based on data from over 8,700 men with low testosterone who were undergoing a coronary angiography — a test to look for plaque build-up in blood vessels — at a VA hospital between 2005 and 2011. Of the men, 1,223 were on testosterone. Over the next three year, nearly 26% of them had a heart attack, stroke, or died, compared to 20% of men who did not take testosterone. During the study, 33 men had strokes.

What is a Stroke?

Ischemic strokes (blood clots in the brain) occur when something obstructs a blood vessel that supplies oxygen-rich blood to part of the brain. They can happen in two ways:

  • Blood clots grow in a narrow artery in the brain. This is called a thrombotic stroke.
  • Blood clots grow in another area of the body, break off, and travel up to the brain. This is also called a cerebral embolism.


Stroke symptoms are usually sudden, and may include:

  • Numbness or weakness in the legs or arms
  • One side of the face droops
  • Problems seeing on one or both eyes
  • Problems walking, balancing, or falling
  • Dizziness
  • Sudden severe headache

Resources & Additional Info

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