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Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.





Reteplase is used to improve blood flow to the heart after a heart attack.

How To Use

Follow all instructions for proper mixing and dilution with the correct IV fluids. If you have any questions regarding the use of this medication, consult your pharmacist. Do not shake this medication; doing so may cause this drug to become ineffective. Reteplase is given by injection into a vein (IV), as directed by your doctor. Generally, it is given as an initial dose followed by a second dose 30 minutes later. Before using, check this product visually for particles or discoloration. If either is present, do not use the liquid. Learn how to store and discard needles and medical supplies safely. Consult your pharmacist.

Side Effects

Nausea or dizziness may occur. If either of these effects persist or worsen, notify your doctor promptly. Tell your doctor immediately if any of these serious side effects occur: bleeding (e.g., from injection site, gums, or wounds), unusual fatigue or weakness, irregular heartbeat, blood in your urine or stool. Tell your doctor immediately if any of these unlikely but serious side effects occur: changes in amount of urine, discoloration of the skin, severe stomach pain, muscle pain, chest pain, slurred speech, mental/mood changes, severe headache, eye pain or vision changes. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


This medication is not recommended for use if you have the following medical conditions: active internal bleeding (e.g., ulcer, trauma), history of stroke, recent surgery of the brain or spine, blood vessel problems (e.g., aneurysms), severe high blood pressure (uncontrolled). Tell your doctor your medical history, especially of: bleeding or blood problems, high blood pressure, diabetes, high cholesterol, blood clots (e.g., thrombophlebitis), recent surgery or injury, heart problems/infections (e.g., arrhythmias, endocarditis, mitral valve stenosis), eye problems, kidney or liver disease. This medication may cause you to bleed easily. Use caution with sharp objects like safety razors or nail cutters and avoid activities which that may increase your chance of getting cut, bruised, or injured. Also, avoid unnecessary injections into the muscles (IM). Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug. This medication should be used only when clearly needed during pregnancy. Discuss the risks and benefits with your doctor. It is not known if this medication passes into breast milk. Consult your doctor before breast-feeding.

Drug Interactions

Tell your doctor of all prescription and nonprescription medication you may use, especially: aspirin, abciximab, antiplatelet drugs (e.g., clopidogrel, dipyridamole, ticlopidine), "blood thinners" (e.g., warfarin or heparins), NSAIDs (e.g., ibuprofen, naproxen). This product can affect the results of certain lab tests. Make sure laboratory personnel and your doctors know you use this drug. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include severe bleeding or bruising.


Laboratory and/or medical tests may be performed to monitor your progress.

Missed Dose

If you miss a dose or your dose is interrupted, contact your doctor immediately to establish a new dosing schedule.


Store sealed kit at either refrigerated or room temperature between 36 and 77 degrees F (2 to 25 degrees C) away from light and moisture. Do not freeze. After mixing in correct IV fluids (consult your pharmacist for details), the drug can be stored at refrigerated or room temperature for up to 4 hours.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA), or 1-800-668-1507 (Canada).