LEMS PHYSICIAN LOCATOR

Find local doctors with experience treating Lambert-Eaton myasthenic syndrome (LEMS)

This search tool can help you find qualified physicians in your area who have experience diagnosing and treating adult patients with LEMS.

Consult with your insurance provider prior to your first appointment to determine healthcare coverage for this provider.

The healthcare providers listed in this directory are not part of Catalyst Pharmaceuticals, Inc. and do not pay or receive any money in order to be listed in the directory. Inclusion of a provider in the directory does not constitute a referral, recommendation, endorsement, or verification of the provider’s credentials, qualifications, or abilities. In the same way, the absence of any provider’s name and information from the directory shall not be construed as any negative comment or criticism by Catalyst Pharmaceuticals, Inc. about the provider’s credentials, qualifications, or abilities.

Catalyst Pharmaceuticals, Inc., as well as its employees and vendors, shall not be held liable for any damages or harm resulting from any use or reliance on the information contained within the directory, and any and all of that information can be modified, amended, removed, or deleted, including removal of the entire directory, by Catalyst Pharmaceuticals, Inc. at any time without notice.

To report a problem with the LEMS Physician Locator, please email Catalyst at PhysicianLocator@CatalystPharma.com.

If you are a healthcare provider who treats LEMS, including neurologists and those at a multidisciplinary center, and would like to be added to the LEMS Physician Locator database, please email Catalyst at PhysicianLocator@CatalystPharma.com. If you are listed in the LEMS Physician Locator database and would like to be removed, please contact Catalyst at 1-305-420-3200.

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ENROLL IN CATALYST PATHWAYS

To get started, talk to your doctor about joining Catalyst Pathways. Print an enrollment form and fill it out together at your next appointment.
Phone

CONTACT

Want to speak to a Catalyst Pathways™ Representative? Call 1-833-4-CATALYST (1-833-422-8259) Monday to Friday, 7AM to 7PM CST.

What is FIRDAPSE®?

FIRDAPSE is a prescription medicine used to treat adults 17 years of age or older with Lambert-Eaton myasthenic syndrome (LEMS). The safety and efficacy of FIRDAPSE in patients under the age of 17 has not been established.

IMPORTANT SAFETY INFORMATION

What is the most important information I should know about FIRDAPSE?

  • FIRDAPSE can cause seizures.
    • You could have a seizure even if you never had a seizure before.
    • Do not take FIRDAPSE if you have ever had a seizure.

Stop taking FIRDAPSE and call your doctor right away if you have a seizure while taking FIRDAPSE.

Do not take FIRDAPSE if you:

  • have ever had a seizure
  • are allergic to amifampridine phosphate, or another aminopyridine.

Before you take FIRDAPSE, tell your doctor about all of your medical conditions, including if you:

  • are taking another aminopyridine, such as compounded 3,4-diaminopyridine (3,4-DAP)
  • have had a seizure
  • have kidney problems
  • have liver problems
  • are pregnant or plan to become pregnant. It is not known if FIRDAPSE will harm your unborn baby. You and your doctor will decide if you should take FIRDAPSE while you are pregnant.
  • are breastfeeding or plan to breastfeed. It is not known if FIRDAPSE passes into your breast milk. Talk to your doctor about the best way to feed your baby while taking FIRDAPSE.

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

How should I take FIRDAPSE?

  • Take FIRDAPSE exactly as your doctor tells you to take it. Do not change your dose of FIRDAPSE.
  • Do not take more than 2 tablets of FIRDAPSE at one time or more than 8 tablets of FIRDAPSE in a 24-hour period.
  • FIRDAPSE can be taken with or without food.
  • If you miss a dose of FIRDAPSE, skip that dose and take your next dose at your next scheduled dose time. Do not double your dose to make up the missed dose.
  • Do not take FIRDAPSE together with other medicines known to increase the risk of seizures.
  • If you take too much FIRDAPSE, call your doctor or go to the nearest hospital emergency room right away.

What are the possible side effects of FIRDAPSE?

FIRDAPSE may cause serious side effects, including:

  • Seizures. See "What is the most important information I should know about FIRDAPSE?"
  • Serious allergic reactions, such as anaphylaxis. FIRDAPSE can cause serious allergic reactions. Stop taking FIRDAPSE and call your doctor right away or get emergency medical help if you have:
    • shortness of breath or trouble breathing
    • swelling of your throat or tongue
    • ­hives
  • The most common side effects of FIRDAPSE include:
    • tingling around the mouth, tongue, face, fingers, toes, and other body parts
    • upper respiratory infection
    • stomach pain
    • nausea
    • diarrhea
    • headache
    • increased liver enzymes
    • back pain
    • high blood pressure
    • muscle spasms

Tell your doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of FIRDAPSE.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store FIRDAPSE?

  • Store FIRDAPSE at 68ºF to 77ºF (20ºC to 25ºC).
  • Safely throw away FIRDAPSE that is out of date or no longer needed.

Keep FIRDAPSE and all medicines out of the reach of children.

If you would like more information, talk to your doctor or pharmacist. You can ask your pharmacist or doctor for additional information about FIRDAPSE that is written for health professionals.

The active ingredient in FIRDAPSE is amifampridine. Inactive ingredients are calcium stearate, colloidal silicon dioxide, and microcrystalline cellulose.

Please see full Prescribing Information for additional Important Safety Information.

What is FIRDAPSE®?

FIRDAPSE is a prescription medicine used to treat adults 17 years of age or older with Lambert-Eaton myasthenic syndrome (LEMS). The safety and efficacy of FIRDAPSE in patients under the age of 17 has not been established.

IMPORTANT SAFETY INFORMATION

What is the most important information I should know about FIRDAPSE?

  • FIRDAPSE can cause seizures.
    • You could have a seizure even if you never had a seizure before.
    • Do not take FIRDAPSE if you have ever had a seizure.

Stop taking FIRDAPSE and call your doctor right away if you have a seizure while taking FIRDAPSE.

Do not take FIRDAPSE if you:

  • have ever had a seizure
  • are allergic to amifampridine phosphate, or another aminopyridine.

Before you take FIRDAPSE, tell your doctor about all of your medical conditions, including if you:

  • are taking another aminopyridine, such as compounded 3,4-diaminopyridine (3,4-DAP)
  • have had a seizure
  • have kidney problems
  • have liver problems
  • are pregnant or plan to become pregnant. It is not known if FIRDAPSE will harm your unborn baby. You and your doctor will decide if you should take FIRDAPSE while you are pregnant.
  • are breastfeeding or plan to breastfeed. It is not known if FIRDAPSE passes into your breast milk. Talk to your doctor about the best way to feed your baby while taking FIRDAPSE.

Tell your doctor about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

How should I take FIRDAPSE?

  • Take FIRDAPSE exactly as your doctor tells you to take it. Do not change your dose of FIRDAPSE.
  • Do not take more than 2 tablets of FIRDAPSE at one time or more than 8 tablets of FIRDAPSE in a 24-hour period.
  • FIRDAPSE can be taken with or without food.
  • If you miss a dose of FIRDAPSE, skip that dose and take your next dose at your next scheduled dose time. Do not double your dose to make up the missed dose.
  • Do not take FIRDAPSE together with other medicines known to increase the risk of seizures.
  • If you take too much FIRDAPSE, call your doctor or go to the nearest hospital emergency room right away.

What are the possible side effects of FIRDAPSE?

FIRDAPSE may cause serious side effects, including:

  • Seizures. See "What is the most important information I should know about FIRDAPSE?"
  • Serious allergic reactions, such as anaphylaxis. FIRDAPSE can cause serious allergic reactions. Stop taking FIRDAPSE and call your doctor right away or get emergency medical help if you have:
    • shortness of breath or trouble breathing
    • swelling of your throat or tongue
    • ­hives
  • The most common side effects of FIRDAPSE include:
    • tingling around the mouth, tongue, face, fingers, toes, and other body parts
    • upper respiratory infection
    • stomach pain
    • nausea
    • diarrhea
    • headache
    • increased liver enzymes
    • back pain
    • high blood pressure
    • muscle spasms

Tell your doctor if you have any side effect that bothers you or that does not go away.

These are not all the possible side effects of FIRDAPSE.

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

How should I store FIRDAPSE?

  • Store FIRDAPSE at 68ºF to 77ºF (20ºC to 25ºC).
  • Safely throw away FIRDAPSE that is out of date or no longer needed.

Keep FIRDAPSE and all medicines out of the reach of children.

If you would like more information, talk to your doctor or pharmacist. You can ask your pharmacist or doctor for additional information about FIRDAPSE that is written for health professionals.

The active ingredient in FIRDAPSE is amifampridine. Inactive ingredients are calcium stearate, colloidal silicon dioxide, and microcrystalline cellulose.

Please see full Prescribing Information for additional Important Safety Information.