Antithrombin III Solution for injection

What is this medicine?

ANTITHROMBIN III (AN te throm bin) is a natural protein. It is used to treat patients with low levels of antithrombin III. People with this condition may have an increased risk for developing blood clots, especially during surgery or during pregnancy. This medicine may help to reduce the risk for blood clots or help to treat blood clots once they have already developed.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • an unusual or allergic reaction to antithrombin III, goat or goat milk proteins, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

How should I use this medicine?

This medicine is for injection into a vein. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • aspirin and aspirin-like drugs

  • medicines that treat or prevent blood clots like warfarin or heparin

  • mifepristone

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Your condition will be monitored carefully while you are receiving this medicine.

Notify your doctor or health care professional and seek emergency treatment if you develop breathing problems; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the leg; trouble speaking; sudden numbness or weakness of the face, arm, or leg. These can be signs that your condition has gotten worse.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • chest pain or chest tightness

  • signs and symptoms of bleeding such as bloody or black, tarry stools; red or dark-brown urine; spitting up blood or brown material that looks like coffee grounds; red spots on the skin; unusual bruising or bleeding from the eye, gums, or nose

  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • dizziness

  • pain, redness, or irritation at site where injected

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.


Antithrombin III Solution for injection

What is this medicine?

ANTITHROMBIN III (AN te throm bin) is a natural protein. It is used to treat patients with low levels of antithrombin III. People with this condition may have an increased risk for developing blood clots, especially during surgery or during pregnancy. This medicine may help to reduce the risk for blood clots or help to treat blood clots once they have already developed.

This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:

  • an unusual or allergic reaction to antithrombin III, goat or goat milk proteins, other medicines, foods, dyes, or preservatives

  • pregnant or trying to get pregnant

  • breast-feeding

How should I use this medicine?

This medicine is for injection into a vein. It is given by a health care professional in a hospital or clinic setting.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.

NOTE: This medicine is only for you. Do not share this medicine with others.

What if I miss a dose?

This does not apply.

What may interact with this medicine?

Do not take this medicine with any of the following medications:

  • aspirin and aspirin-like drugs

  • medicines that treat or prevent blood clots like warfarin or heparin

  • mifepristone

This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Your condition will be monitored carefully while you are receiving this medicine.

Notify your doctor or health care professional and seek emergency treatment if you develop breathing problems; changes in vision; chest pain; severe, sudden headache; pain, swelling, warmth in the leg; trouble speaking; sudden numbness or weakness of the face, arm, or leg. These can be signs that your condition has gotten worse.

What side effects may I notice from receiving this medicine?

Side effects that you should report to your doctor or health care professional as soon as possible:

  • allergic reactions like skin rash, itching or hives, swelling of the face, lips, or tongue

  • chest pain or chest tightness

  • signs and symptoms of bleeding such as bloody or black, tarry stools; red or dark-brown urine; spitting up blood or brown material that looks like coffee grounds; red spots on the skin; unusual bruising or bleeding from the eye, gums, or nose

  • unusually weak or tired

Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):

  • dizziness

  • pain, redness, or irritation at site where injected

This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

Where should I keep my medicine?

This drug is given in a hospital or clinic and will not be stored at home.