The second name for heparin is unfractionated heparin (UFH). It is also known as standard heparin.
Heparin, a widely used anticoagulant, comes in two primary forms:
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Low Molecular Weight Heparin (LMWH): This is also referred to as fractionated heparin and consists of drugs like enoxaparin, dalteparin, nadroparin, tinzaparin, and certoparin.
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Unfractionated Heparin (UFH): As mentioned, this is the other name for standard heparin.
Thus, when discussing heparin, it's important to specify whether you are referring to unfractionated heparin (UFH), also known as standard heparin, or low molecular weight heparin (LMWH).