What does thrombolytic mean?
A thrombolytic is a medicine or other substance that breaks down blood clots, allowing blood to flow again through an artery that has been blocked. The word is used both as an adjective, as in “thrombolytic therapy,” and as a noun for the drug or agent that performs this action. Thrombolytic treatment is especially associated with conditions such as ischemic stroke and certain cases of heart attack, where rapid removal of a clot can help preserve tissue and save life. The term has a technical, clinical tone and is not usually used in casual conversation. Its close relative, anticoagulant, describes medicines that reduce clotting or prevent new clots from forming, a different mechanism. Together, these terms describe two complementary approaches to managing dangerous blood clots.
Causing or relating to the dissolution of a blood clot.
"The emergency team began thrombolytic treatment to restore blood flow."
Common in medical contexts, especially for the treatment of acute ischemic stroke and myocardial infarction.
A substance, especially a medication, that dissolves a blood clot.
"The doctor administered a thrombolytic as soon as the diagnosis was confirmed."
Usually refers to a medically administered drug rather than a general chemical agent.
A thrombolytic can turn a dangerous clot into a medical emergency that is treated in minutes.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Where does thrombolytic come from?
Thrombolytic combines the combining form thrombo-, referring to a blood clot, with -lytic, a suffix meaning “relating to dissolution” or “causing loosening.” The elements reflect the Greek roots thrombos, “clot,” and lysis, “a loosening” or “dissolution.” The resulting term developed within medical usage to describe substances that can break down thrombi.
Related word forms
How thrombolytic is actually used
This is primarily a medical term used in formal clinical and scientific contexts. In an ischemic stroke or myocardial infarction, it refers specifically to treatment that dissolves an existing clot; it should not be confused with an anticoagulant, which prevents further clot formation.
Easily confused with thrombolytic
Anticoagulants reduce or prevent blood clotting, whereas thrombolytics dissolve clots that have already formed.