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Tenecteplase Side Effects

Medically reviewed by Last updated on Mar 10, 2024.

Applies to tenecteplase: intravenous powder for solution.

Serious side effects of Tenecteplase

Along with its needed effects, tenecteplase may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor or nurse immediately if any of the following side effects occur while taking tenecteplase:

Incidence not known

For Healthcare Professionals

Applies to tenecteplase: intravenous kit, intravenous powder for injection.


Major hematological side effects including hematoma (1.7%), gastrointestinal bleeding (>1%), urinary tract bleeding (<1%), puncture site bleeding (<1%), retroperitoneal bleeding (<1%), respiratory tract bleeding (<1%), and unspecified bleeding (<1%) have been reported. Intracranial hemorrhage (ICH) has also been reported. In one study, ICH occurred in 1%, 1.9%, and 3.8% of patients treated with 30, 40, and 50 mg of tenecteplase, respectively (patients were also receiving heparin).

Minor hematological side effects including hematoma (12.3%), urinary tract bleeding (3.7%), pharyngeal (3.1%), gastrointestinal tract bleeding (1.9%), epistaxis (1.5%), and unspecified bleeding (1.3%) have been reported.[Ref]


Cardiovascular side effects including cardiogenic shock, arrhythmias, atrioventricular block, heart failure, cardiac arrest, recurrent myocardial ischemia, myocardial reinfarction, myocardial rupture, cardiac tamponade, pericarditis, pericardial effusion, mitral regurgitation, thrombosis, electromechanical dissociation, and hypotension have been reported.[Ref]


Local side effects including bleeding from the puncture side have been reported.[Ref]


Respiratory side effects including pulmonary edema have been reported.[Ref]

Frequently asked questions


1. Product Information. TNKase (tenecteplase). Genentech. 2001;PROD.

2. Davydov L, Cheng JWM. Tenecteplase: A review. Clin Ther. 2001;23:982-97.

3. Gibson CM, Marble SJ. Issues in the assessment of the safety and efficacy of tenecteplase (TNK-tPA). Clin Cardiol. 2001;24:577-84.

4. Davydov L, Cheng JW. Tenecteplase: a review. Clin Ther. 2001;23:982-97; discussion 981.

5. Turcasso NM, Nappi JM. Tenecteplase for treatment of acute myocardial infarction. Ann Pharmacother. 2001;35:1233-40.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.