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Generic name: trientineTRYE-en-teen ]
Brand names: Cuvrior, Syprine
Drug class: Chelating agents

Medically reviewed by on May 14, 2024. Written by Cerner Multum.

What is Syprine?

Syprine is used to treat Wilson's disease, a rare inherited condition that causes high copper levels in the body.

Your doctor will determine which brand form of trientine is the right treatment for you.

Syprine is given when other treatments are not effective or did not work.

Syprine may also be used for purposes not listed in this medication guide.

Syprine side effects

Get emergency medical help if you have signs of an allergic reaction: hives, difficult breathing, swelling of your face, lips, tongue, or throat.

Syprine may cause serious side effects. Call your doctor at once if you have:

Your treatment may be permanently discontinued if you have certain side effects.

Common side effects of Syprine may include:

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.


Use only as directed. Tell your doctor if you use other medicines or have other medical conditions or allergies.

Before taking this medicine

You should not use Syprine if you are allergic to it, or any of its ingredients.

Tell your doctor if you have or have ever had:

It is not known if Syprine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant. Having Wilson's disease during pregnancy can cause complications or medical problems in both mother and baby. The benefit of treating Wilson's disease may outweigh any risks to the baby.

Ask a doctor if it is safe to breastfeed while using Syprine.

How should I take Syprine?

Follow all directions on your prescription label and read all medication guides or instruction sheets. Your doctor may occasionally change your dose. Use the medicine exactly as directed.

Your dose needs may change if you switch to a different brand, strength, or form of this medicine. Avoid medication errors by using exactly as directed on the label, or as prescribed by your doctor.

Syprine is usually taken twice and up to four times per day. You may need to take several capsules or tablets to receive your full dose. Follow your doctor's instructions.

Take on an empty stomach, at least 1 hour before or 2 hours after a meal.

Swallow the capsule whole with a full glass of water and do not crush, chew, break, or open it.

Swallow the tablet whole and do not crush, chew or dissolve it. If you cannot swallow a tablet whole, you may split it in half and take right away. Do not store any tablet for later use after removing it from the package. Ask your pharmacist if you have any questions.

Your blood will need to be tested before and during treatment with Syprine, and you may need other medical tests. Your doctor will need to check your progress on a regular basis.

You may be given other medications to help treat certain side effects. Keep taking these medicines for as long as your doctor has prescribed.

Call your doctor if your symptoms do not improve, or if you have a fever or rash. You may need to take your temperature every night for the first month of treatment with Syprine.

Store the capsules tightly closed in their original container. Some Syprine capsule brand forms are stored in the refrigerator. Others are stored at room temperature. Ask your pharmacist how to properly store this medicine capsules.

Store the tablets at room temperature, away from moisture and heat. Keep the tablets in the blister pack until you are ready to take the medicine.

What happens if I miss a dose?

Take the medicine as soon as you can, but skip the missed dose if it is almost time for your next dose. Do not take two doses at one time.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What should I avoid while taking Syprine?

Ask your doctor before taking a mineral supplement (iron, zinc, magnesium, and others), and take only the type your doctor recommends.

If this medication gets on your skin, wash the area with soap and water.

What other drugs will affect Syprine?

Take your Syprine dose 2 hours before or 2 hours after taking any iron supplement or medication.

You will also need to take your Syprine dose at least 1 hour before or 2 hours after taking other mineral supplements (zinc, magnesium, calcium, and others).

Avoid taking any other medication by mouth within 1 hour before or after you take Syprine.

Other drugs may affect Syprine, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell your doctor about all other medicines you use.

Further information

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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