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Generic Name: succimer (SUCK sih mer)
Brand Name: Chemet

Medically reviewed on Jan 25, 2018

What is Chemet?

Chemet is a chelating (KEE-late-ing) agent that is used to remove a heavy metal (such as lead) from the body. This medicine binds to lead in the blood and allows it to be passed out in the urine.

Chemet is used to treat lead poisoning.

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

Important Information

Follow all directions on your medicine label and package. Tell each of your healthcare providers about all your medical conditions, allergies, and all medicines you use.

Before taking this medicine

You should not use Chemet if you are allergic to it.

To make sure Chemet is safe for you, tell your doctor if you have:

It is not known whether Chemet will harm an unborn baby. Tell your doctor if you are pregnant.

It is not known whether succimer passes into breast milk or if it could harm a nursing baby. You should not breast-feed while using Chemet.

How should I take Chemet?

Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.

To make swallowing easier, you may open the Chemet capsule and sprinkle the medicine into a spoonful of soft food. Swallow right away without chewing. Do not save the mixture for later use.

You may also open the capsule and empty the medicine beads into a spoon, swallow all of the beads, and then drink a glass of juice or fruit-flavored drink.

Drink plenty of liquids to keep your kidneys working properly so they can help eliminate the lead from your body.

Chemet is usually given daily for 19 days in a row. You may need to receive more than one course of treatment. Use this medicine regularly to get the most benefit. Get your prescription refilled before you run out of medicine completely.

Use this medicine for the full prescribed length of time. Your symptoms may improve before the lead is completely cleared from your body.

While using Chemet, you may need frequent blood tests. Your blood work will help your doctor determine how long to treat you with this medicine. Your kidney function may also need to be checked.

Call your doctor if your symptoms do not improve, or if they get worse while using Chemet.

Chemet can lower blood cells that help your body fight infections. This can make it easier for you to get sick from being around others who are ill. Your blood cells may need to be tested often.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

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 Chemet?

Once it has been determined how or where you got lead poisoning, avoid coming into contact with that source or location.

Avoid being near people who are sick or have infections. Tell your doctor at once if you develop signs of infection.

Chemet 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.

Call your doctor at once if you have:

  • fever, cold or flu symptoms, cough, trouble breathing;

  • skin sores, rash; or

  • swollen gums, painful mouth sores, pain when swallowing.

Common side effects 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.

What other drugs will affect Chemet?

Other drugs may interact with succimer, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.

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.