Primidone

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Description

What is Primidone Mysoline?

What is Primidone Mysoline? The Mysoline dose is used alone or with other medications to control seizures. Controlling and reducing seizures lets you do more of your normal daily activities, reduces your risk of harm when you lose consciousness, and lessens your risk for a possibly life-threatening condition of frequent, repeated seizures. Primidone belongs to a class of drugs known as barbiturate anticonvulsants. It works by controlling the abnormal electrical activity in the brain that occurs during a seizure. Side effects of Primidone medication can be based on your medical condition.

How to use

Read the Medication Guide provided by your pharmacist before you start using primidone and each time you get a refill. If you have any questions or you want to know more about what is Primidone Mysoline? ask your doctor or pharmacist.

  • Take The Mysoline dose by mouth with or without food.
  • Usually, 3-4 times daily or as directed by your doctor.
  • Take with food or milk if stomach upset occurs.
  • Your doctor may direct you to start this medication at a low dose at bedtime and gradually increase your dose to prevent side effects such as drowsiness and dizziness.

If you are changing from a different anticonvulsant to primidone, your doctor may direct you to continue your old medication and slowly lower the dose as you begin taking primidone. Follow your doctor’s instructions carefully.

Dosage and treatment

The Mysoline dose is based on your medical condition, blood levels of primidone, use of other medications to treat seizures, and response to treatment. It may take several weeks to reach the best dose for you.

This medication works best when the amount of drug in your body is kept at a constant level. Therefore, take this drug at evenly spaced intervals. To help you remember, take it at the same time each day.

Do not stop taking this medication (and other anticonvulsant medications) without consulting your doctor. Your seizures may worsen or cause a very severe seizure that is difficult to treat (status epilepticus) when this drug is suddenly stopped.

If you suddenly stop using The Mysoline dose, you may have withdrawal symptoms (such as anxiety, hallucinations, twitching, trouble sleeping). Withdrawal from primidone can be severe and include seizures and (rarely) death. To help prevent withdrawal, your doctor may lower your dose slowly. Withdrawal is more likely if you have used primidone for a long time or in high doses. Tell your doctor or pharmacist right away if you have withdrawal.

Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Take this medication exactly as prescribed to lower the risk of addiction. Ask your doctor or pharmacist for more details.

Tell your doctor if your seizure control worsens (such as the number of seizures increases).

Side effects

  • Dizziness
  • drowsiness
  • excitation
  • tiredness
  • headache
  • loss of appetite
  • nausea
  • vomiting

If any of these Side effects of Primidone medication persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

Tell your doctor right away if any of these unlikely but serious Side effects of Primidone medication occur:

  • staggering walk/clumsiness
  • decreased sexual ability/interest
  • double vision

A small number of people who take anticonvulsants for any condition (such as seizure, bipolar disorder, pain) may experience depression, suicidal thoughts/attempts, or other mental/mood problems. Tell your doctor right away if you or your family/caregiver notice any unusual/sudden changes in your mood, thoughts, or behavior including signs of depression, suicidal thoughts/attempts, thoughts about harming yourself.

Tell your doctor right away if any of these rare but very serious Side effects of Primidone medication occur: easy bruising/bleeding, fainting, slow heartbeat, severe tiredness/weakness, pale skin, fast/slow/shallow breathing.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention.

Warnings & Precautions

  1. Before taking The Mysoline dose tell your doctor or pharmacist if you are allergic to it.
  2. Before using this medication, tell your doctor or pharmacist your medical history.
  3. Do not drive, use machinery, or do anything that needs alertness until you can do it safely.
  4. Avoid alcoholic beverages.
  5. Before having surgery, tell your doctor or dentist about all the products you use.

Older adults may be more sensitive to the effects of The Mysoline dose, especially drowsiness and dizziness. However, this drug can often cause excitement or confusion instead of drowsiness in older adults.

Children may be more sensitive to the side effects of Primidone medication. This drug can often cause excitement instead of drowsiness in young children.

Use during pregnancy

This medication is not recommended for use during pregnancy. It may harm an unborn baby. However, since untreated seizures are a serious condition that can harm both a pregnant woman and her unborn baby, do not stop taking this medication unless directed by your doctor. If you are planning pregnancy, become pregnant, or think you may be pregnant, immediately talk to your doctor about the benefits and risks of using this medication during pregnancy. Since birth control pills, patches, implants, and injections may not work if taken with this medication (see also Drug Interactions section), discuss reliable forms of birth control with your doctor.

This medication may lower your folic acid and vitamin K levels, increasing the risk of spinal cord defects. Therefore, check with your doctor to make sure you are taking enough folic acid and vitamin K. Infants born to mothers who have been using this medication during pregnancy may also have symptoms such as fussiness, shaking, or bleeding. Tell the doctor right away if you notice any of these symptoms in your newborn.

This medication passes into breast milk and may cause excessive sleepiness or feeding problems in the nursing infant. Consult your doctor before breastfeeding.

Storage

Store at room temperature away from light and moisture. Do not store in the bathroom. Keep all medications away from children and pets.

Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.

Drug interactions

Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor’s approval.

Some products that may interact with this drug include darunavir, etravirine, orlistat, rilpivirine.

Additional information

Dosage

50 mg, 250 mg