Prescription Required
Formulation: Capsule
Prescription Required
Formulation: Capsule
(Generic Alternative)
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Mexitil is a prescription medication that contains mexiletine as its active ingredient.
It is used to treat certain serious abnormal heart rhythms that begin in the lower chambers of the heart.
Mexitil is mainly used to treat documented, life-threatening ventricular arrhythmias.
These abnormal rhythms originate in the ventricles, which are the heart’s lower pumping chambers.
One example is sustained ventricular tachycardia, a rapid heart rhythm that can reduce the heart’s ability to pump blood effectively.
Treatment of Ventricular Arrhythmias
Mexitil may be prescribed when a ventricular arrhythmia is considered serious enough to require treatment.
Because antiarrhythmic medications can themselves affect heart rhythm, Mexitil is generally reserved for patients with significant or potentially life-threatening arrhythmias.
Treatment is usually started and monitored carefully by a healthcare provider.
Mexitil belongs to a class of medications called Class 1B antiarrhythmics.
Mexiletine blocks certain sodium channels in heart muscle cells.
This reduces abnormal electrical activity and helps stabilize the electrical signals that control the heartbeat.
By reducing excessive electrical excitability in the heart muscle, Mexitil can help prevent or suppress abnormal electrical impulses that may trigger ventricular arrhythmias.
This can help the heart maintain a more stable and organized rhythm.
No. Mexitil is not appropriate for every type of irregular heartbeat.
It is primarily used for serious ventricular arrhythmias rather than minor or harmless rhythm changes.
Your healthcare provider will determine whether Mexitil is appropriate based on your heart rhythm, medical history, and other treatments.
Mexitil helps control abnormal heart rhythms but does not necessarily cure the underlying condition causing them.
Some patients may need to take it for an extended period, while others may require additional medications, procedures, or cardiac devices.
Regular follow-up and heart rhythm monitoring are important during treatment.
Mexitil is available as an oral capsule and should be taken exactly as prescribed by your healthcare provider.
It is commonly available in strengths of 100 mg, 150 mg, and 200 mg.
Mexitil is usually taken three times daily, approximately every 8 hours. In some patients whose arrhythmia is well controlled, the healthcare provider may change the schedule to twice daily, approximately every 12 hours.
Try to take each dose at the same times every day to help maintain consistent levels of the medication in your body.
Mexitil should generally be taken with food or an antacid to help reduce stomach irritation.
Swallow the capsule as directed and follow any specific instructions provided by your healthcare provider or pharmacist.
A common adult dosage is 200 mg taken every 8 hours.
Depending on the severity of the arrhythmia, response to treatment, and previous antiarrhythmic therapy, a healthcare provider may use a different starting dose.
Your dose should always be individualized and carefully monitored.
Your healthcare provider may gradually increase or decrease your Mexitil dose based on how well your heart rhythm is controlled and whether you experience side effects.
Dose adjustments are generally made no more frequently than every 2 to 3 days so there is enough time to evaluate your response.
Do not change your dose on your own.
Some patients may require doses of up to 400 mg every 8 hours.
Higher doses can increase the risk of side effects, so the lowest effective dose should generally be used.
Never take more Mexitil than prescribed by your healthcare provider.
Once the ventricular arrhythmia is adequately controlled, some patients may be switched from dosing every 8 hours to dosing every 12 hours.
The healthcare provider will determine whether this schedule is appropriate based on your response and tolerance.
Do not change from three-times-daily to twice-daily dosing without medical guidance.
If you miss a dose of Mexitil, follow the missed-dose instructions provided by your healthcare provider or pharmacist.
If the next scheduled dose is approaching, do not take extra capsules or take two doses together to make up for the missed dose.
Because Mexitil is used to control serious heart rhythm problems, contact your healthcare provider or pharmacist if you are unsure when to take your next dose or if you miss multiple doses.
Mexitil helps control abnormal heart rhythms but does not necessarily cure the underlying cause of the arrhythmia.
Continue taking Mexitil even if you feel well, unless your healthcare provider tells you otherwise.
Do not suddenly stop taking Mexitil without speaking with your healthcare provider.
Stopping treatment may allow the abnormal heart rhythm to return or become worse.
If treatment needs to be discontinued or changed, your healthcare provider will determine the safest approach.
Because Mexitil directly affects the electrical activity of the heart, regular medical monitoring is important.
Your healthcare provider may use an electrocardiogram (ECG), heart rhythm monitoring, blood tests, and assessments of your symptoms to determine whether your dose is safe and effective.
Contact your healthcare provider promptly if you experience new or worsening palpitations, fainting, severe dizziness, chest discomfort, or other significant changes in your heart rhythm.
Mexitil (Mexiletine) is available in the following forms and strength:
Mexitil can affect the electrical activity of the heart and may cause serious side effects in some patients.
Before starting treatment, tell your healthcare provider about your heart condition, liver problems, seizure history, pregnancy or breastfeeding status, and all medications and supplements you take.
Mexitil can sometimes worsen an existing arrhythmia or cause a new abnormal heart rhythm.
Seek prompt medical attention if you develop:
Because of this risk, Mexitil is generally used only when the potential benefits outweigh the risks.
Mexitil should not be used in patients with cardiogenic shock.
It is also generally contraindicated in people with untreated second- or third-degree heart block unless an appropriate pacemaker is present.
Tell your healthcare provider about any history of conduction problems or serious heart disease before starting treatment.
Mexiletine can cause seizures, particularly at higher doses or in people who already have a seizure disorder.
Contact your healthcare provider promptly if you experience a seizure or new neurological symptoms while taking Mexitil.
Tell your healthcare provider if you have heart failure or another significant heart condition.
Mexitil can affect cardiac conduction and may require closer ECG and clinical monitoring in patients with existing heart disease.
Mexiletine is processed mainly by the liver.
Tell your healthcare provider if you have liver disease, as this may cause the medication to remain in your body longer and increase the risk of side effects.
Your healthcare provider may recommend liver function tests or adjust your dose if necessary.
Mexitil may affect blood pressure in some patients.
Tell your healthcare provider if you have low blood pressure or take medications that lower blood pressure.
Seek medical advice if you develop severe dizziness, weakness, or fainting.
Dizziness and Drowsiness
Mexitil can cause dizziness, lightheadedness, drowsiness, or problems with coordination.
Avoid driving, operating machinery, or performing potentially dangerous activities until you know how the medication affects you.
Blurred vision or other visual disturbances may occur while taking Mexitil.
Contact your healthcare provider if you develop persistent or significant changes in your vision.
Common side effects of Mexitil include nausea, vomiting, heartburn, and stomach discomfort.
Taking Mexitil with food or an antacid may help reduce these effects.
Contact your healthcare provider if vomiting or stomach problems become severe or persistent.
Mexiletine can interact with other medications, including drugs that affect heart rhythm or change the amount of mexiletine in your bloodstream.
Tell your healthcare provider and pharmacist about all prescription medications, over-the-counter products, vitamins, and supplements you take.
Do not start, stop, or change another medication without checking for possible interactions.
Tell your healthcare provider if you are pregnant, planning to become pregnant, or become pregnant while taking Mexitil.
Mexiletine may be used during pregnancy when your healthcare provider determines that the expected benefits outweigh the potential risks.
Do not stop an antiarrhythmic medication on your own during pregnancy, as uncontrolled ventricular arrhythmias can also be dangerous.
Mexiletine passes into breast milk.
Talk to your healthcare provider before breastfeeding while taking Mexitil. Your provider will consider the importance of treatment, the amount of medication that may reach the infant, and whether additional monitoring or another treatment is appropriate.
Mexitil requires regular medical follow-up because it can affect heart rhythm and other body systems.
Your healthcare provider may monitor your ECG, heart rate, blood pressure, liver function, and response to treatment.
Report new or worsening heart symptoms, neurological symptoms, severe dizziness, or other unusual side effects promptly.
Weight gain is not a common side effect of Mexitil. However, fluid retention or edema has been reported in some patients. This can cause swelling and may lead to an increase in body weight. Contact your healthcare provider if you notice sudden weight gain, swelling in the legs or ankles, or other signs of fluid buildup.
Mexitil usually begins to have an effect within a few hours after a dose. In some cases, treatment may be started with a higher loading dose to achieve effective drug levels more quickly. A loading dose should only be given under close medical supervision because mexiletine can affect heart rhythm and may cause serious side effects. Your healthcare provider may use ECG monitoring and other tests to determine how well the medication is working.
Yes. Mexitil may be used long-term to control serious ventricular arrhythmias when it continues to be effective and well tolerated. Because Mexitil can affect heart rhythm, liver function, and the nervous system, regular medical follow-up is important during long-term treatment. Your healthcare provider may monitor your ECG, symptoms, liver function, blood pressure, and response to treatment. Do not stop taking Mexitil without first speaking with your healthcare provider.
The safety and effectiveness of Mexitil in pediatric patients have not been well established. If mexiletine is considered necessary for a child, the decision should be made by a healthcare provider experienced in treating pediatric heart rhythm disorders. The dose and monitoring requirements would need to be individualized based on the child’s condition, body size, response to treatment, and other medications.
| Generic name: | Mexiletine |
|---|---|
| Formulation: | Capsule |
| Strength(s): | 100mg, 150mg, 200mg |
| Quantities Available: | 90, 100 |
Our online Canadian Pharmacy is known for high standards of quality, safety, and efficiency when it comes to medications.
Our pharmacy offers lower prices on prescription drugs compared to traditional pharmacies.
When ordering Mexitil (mexiletine) from a Canadian pharmacy, you can typically purchase up to a 90-day supply at one time, which is common for prescription medications to ensure adequate management of chronic conditions without frequent refills.
Here’s what you need to know:
Dosage and Quantity: Mexitil is commonly prescribed in dosages of 100 mg, 150 mg, or 200 mg every 8 hours. For a 90-day supply, this means you would order 270 capsules (90 days x 3 capsules per day).
Yes, we sell mexiletine on our website. You can enjoy low prices when you order through us. To purchase mexiletine, you will need a valid prescription from your healthcare provider, as we require this to dispense the medication safely and appropriately. You have the option to submit your prescription by mailing it to us, faxing it, or uploading it securely through your online account.
Yes, we ship Mexitil (mexiletine) to both the United States and Puerto Rico.
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Online Pharmacies Canada has provided information from third parties intended to increase awareness and does not contain all the information about Mexitil (Mexiletine). Talk to your doctor or other qualified medical practitioners for medical attention or advice, or if you have any concerns about Mexitil (Mexiletine).
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