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Pyridostigmine Extended-Release Tablets

Generic Name: Pyridostigmine Extended-Release Tablets (peer id oh STIG meen)
Brand Name: Mestinon

Medically reviewed on September 5, 2018

Uses of Pyridostigmine Extended-Release Tablets:

  • It is used to treat myasthenia gravis.
  • It may be given to you for other reasons. Talk with the doctor.

What do I need to tell my doctor BEFORE I take Pyridostigmine Extended-Release Tablets?

  • If you have an allergy to pyridostigmine or any other part of this medicine (pyridostigmine extended-release tablets).
  • If you are allergic to any drugs like this one, any other drugs, foods, or other substances. Tell your doctor about the allergy and what signs you had, like rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs.
  • If you have bowel block or trouble passing urine.

This is not a list of all drugs or health problems that interact with this medicine (pyridostigmine extended-release tablets).

Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take this medicine (pyridostigmine extended-release tablets) with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.

What are some things I need to know or do while I take Pyridostigmine Extended-Release Tablets?

  • Tell all of your health care providers that you take this medicine (pyridostigmine extended-release tablets). This includes your doctors, nurses, pharmacists, and dentists.
  • Do not take more than what your doctor told you to take. Unsafe effects, including death, may happen.
  • This medicine is not approved for use in children. However, the doctor may decide the benefits of taking this medicine (pyridostigmine extended-release tablets) outweigh the risks. If your child has been given this medicine (pyridostigmine extended-release tablets), ask the doctor for information about the benefits and risks. Talk with the doctor if you have questions about giving this medicine (pyridostigmine extended-release tablets) to your child.
  • Tell your doctor if you are pregnant or plan on getting pregnant. You will need to talk about the benefits and risks of using this medicine (pyridostigmine extended-release tablets) while you are pregnant.
  • Tell your doctor if you are breast-feeding. You will need to talk about any risks to your baby.

How is this medicine (Pyridostigmine Extended-Release Tablets) best taken?

Use this medicine (pyridostigmine extended-release tablets) as ordered by your doctor. Read all information given to you. Follow all instructions closely.

  • Take with or without food. Take with food if it causes an upset stomach.
  • Swallow whole. Do not chew, break, or crush.

What do I do if I miss a dose?

  • Take a missed dose as soon as you think about it.
  • If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
  • Do not take 2 doses at the same time or extra doses.

See also: Dosage Information (in more detail)

What are some side effects that I need to call my doctor about right away?

WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:

  • Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
  • Trouble breathing that is new or worse.
  • Change in balance.
  • Change in eyesight.
  • Upset stomach or throwing up.
  • Stomach cramps.
  • Loose stools (diarrhea).
  • Drooling.
  • Sweating a lot.
  • Muscle cramps.
  • Twitching.
  • Weakness.

What are some other side effects of Pyridostigmine Extended-Release Tablets?

All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if you have any side effects that bother you or do not go away.

These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.

See also: Side effects (in more detail)

If OVERDOSE is suspected:

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

How do I store and/or throw out Pyridostigmine Extended-Release Tablets?

  • Store at room temperature.
  • Store in a dry place. Do not store in a bathroom.
  • Protect from light.
  • Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
  • Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information use

  • If your symptoms or health problems do not get better or if they become worse, call your doctor.
  • Do not share your drugs with others and do not take anyone else's drugs.
  • Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.
  • Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.
  • Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about this medicine (pyridostigmine extended-release tablets), please talk with your doctor, nurse, pharmacist, or other health care provider.
  • If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Further information

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

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