Alteplase and Enoxaparin interaction
Alteplase and Enoxaparin: the Alteplase prescribing label describes an interaction that usually calls for monitoring, a dose change, or spacing the doses.
Usually manageable with monitoring or a dose change. Tell your pharmacist you take both.
What the FDA labels say
From the Alteplase (Activase) label · effective 2026-01-20
Because heparin, aspirin, or Activase may cause bleeding complications, carefully monitor for bleeding, especially at arterial puncture sites.
…hemorrhagic ophthalmic conditions Septic thrombophlebitis or occluded AV cannula at seriously infected site Advanced age [see Use in Specific Populations (8.5) ] Patients currently receiving anticoagulants (e.g., warfarin sodium) Any other condition in which bleeding constitutes a significant hazard or would be particularly difficult to manage because of its location.
Anticoagulants and antiplatelet drugs increase the risk of bleeding if administered prior to, during, or after Activase therapy.
Anticoagulants and drugs that inhibit platelet function increase the risk of bleeding when administered with Activase therapy.
Aspirin and heparin have been administered concomitantly with and following infusions of Activase in the management of acute myocardial infarction and pulmonary embolism, but the concomitant administration of heparin and aspirin with and following infusions of Activase for the treatment of acute ischemic stroke during the first 24 hours after symptom onset has…
Taking more than these two? Interactions stack. Check your whole list at once; it stays in your browser.
Open in the checkerNot medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.