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Zonisamide

Generic name: zonisamide

Brand names: Zonegran, Zonisade

Used for seizures
Last updated November 5, 2026 0 views
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What is zonisamide?

Zonisamide is made use of together with various other medicines to treat partial seizures in grownups and teenagers at least 16 years old.

Zonisamide might also be utilized for purposes not detailed in this drug guide.

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How should I take zonisamide?

Follow all directions on your prescription tag and review all medicine guides or direction sheets. Your physician may occasionally transform your dosage. Utilize the medication precisely as routed.

You might take zonisamide with or without food and drink plenty of liquids while you are taking this medication.

Ingest the pill whole and do not crush, eat, damage, or open it.

Shake the dental suspension (liquid). Procedure a dosage with the provided measuring tool (not a kitchen spoon).

You will certainly require blood and kidney feature tests prior to and during therapy with zonisamide.

Seizures may raise if you quit making use of zonisamide all of a sudden. Ask your medical professional prior to stopping the medication. Follow your doctor's instructions concerning tapering your dose.

Do not share this medicine with an additional person, also if they have the same symptoms you have.

Discard the oral suspension after 30 days, even if there is still medicine left within.

Shop at space temperature away from dampness, warm, and light.

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Warnings

Taking zonisamide can trigger long-term vision loss. Inform your medical professional today if you have any type of eye discomfort or inflammation or any kind of modifications in your vision.

Zonisamide might cause an extreme skin reaction that can be fatal. Call your physician right away if you have skin redness or a breakout that spreads and causes blistering and peeling off.

Zonisamide might create decreased sweating and boosted body temperature level (high temperature). Youngsters and people revealed to heat might be most likely to have this negative effects.

Some people have thoughts regarding suicide while taking zonisamide. Stay alert to adjustments in your mood or symptoms. Your family or caregivers ought to likewise look for abrupt adjustments in your behavior.

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Before taking this medicine

You need to not take zonisamide if you are allergic to it.

You might not be able to take zonisamide if you have actually ever before had a serious allergic to sulfa medications.

Inform your medical professional if you have or have actually ever before had:

  • high degrees of ammonia;
  • looseness of the bowels;
  • a development problem;
  • a bone disorder that causes soft or weak bones or low bone mineral thickness;
  • clinical depression, state of mind adjustments, or suicidal ideas or activities;
  • if you have ever had metabolic acidosis (way too much acid in your blood);.
  • if you have actually gotten on a ketogenic diet plan (high-fat, high-protein, low-carb);.
  • liver illness; or.
  • kidney illness.

Some individuals have thoughts concerning suicide while taking zonisamide. Your physician will certainly require to check your progression regularly. Keep sharp to adjustments in your state of mind or signs. Your family members or caregivers ought to likewise watch for abrupt modifications in your behavior.

May harm a coming baby. Usage contraception while making use of zonisamide and for a minimum of one month after your last dosage. Inform your doctor immediately if a pregnancy occurs.

If you are pregnant, your name may be noted on a maternity computer registry to track the effects of zonisamide on the infant.

Ask a physician if it is secure to nurse while using this medicine.

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Zonisamide side effects

Obtain emergency situation clinical aid if you have indicators of an allergic reaction (hives, hard breathing, swelling in your face or throat) or a serious skin reaction (high temperature, sore throat, shedding eyes, skin discomfort, red or purple skin rash with blistering and peeling).

Tell your doctor immediately if you have new or sudden changes in state of mind or behavior, consisting of new or worse depression or anxiousness, panic attacks, difficulty resting, or if you really feel spontaneous, short-tempered, flustered, hostile, hostile, uneasy, a lot more active or talkative, or have ideas concerning self-destruction or harming on your own.

Zonisamide may create severe negative effects. Call your medical professional at once if you have:

  • eye discomfort or soreness or any kind of modifications in your vision;
  • reduced sweating, really feeling extremely hot;
  • increased or aggravating seizures;
  • any kind of skin breakout, no matter just how light;
  • indications of metabolic acidosis-- complication, vomiting, absence of power, irregular heartbeats;
  • signs and symptoms of a blood cell condition-- fever, cools, body pains, influenza signs, sores in your mouth and throat;
  • signs of a kidney rock-- discomfort in your side or reduced back, blood in your pee, tummy discomfort, unpleasant or difficult peeing; or
  • severe skin response-- fever, aching throat, swelling in your face or tongue, shedding in your eyes, skin discomfort complied with by a red or purple skin breakout that spreads out (specifically in the face or upper body) and triggers blistering and peeling.

Typical negative effects of zonisamide may include:

  • drowsiness, wooziness;
  • problems with memory or difficulty concentrating;
  • being flustered or feeling irritable;
  • loss of coordination, difficulty strolling; or
  • anorexia nervosa.

This is not a complete list of side effects and others may occur. Call your physician for clinical recommendations about adverse effects. You may report adverse effects to FDA at 1-800-FDA-1088.

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Zonisamide dosing information

Usual Adult Dose for Seizures:

16 years of age and older:-Initial dose: 100 mg orally once a day-Titration: After 2 weeks at 100 mg/day, the dose may be increased to 200 mg/day as either a single or divided dose (100 mg orally 2 times a day) for at least 2 weeks; it can then be increased to 300 mg/day, then 400 mg/day either as a single daily dose or divided into 2 daily doses, with the dose stable for at least 2 weeks to achieve steady state at each level -Maintenance dose: 400 mg/day-Maximum dose: 600 mg/day Comments:-This drug may be taken with or without food.-Capsules should be swallowed whole.-Because of the long half-life of this drug, up to 2 weeks may be required to achieve steady state levels upon reaching a stable dose or following dosage adjustment.-The prescriber may wish to prolong the duration of treatment at the lower doses in order to fully assess the effects of this drug at steady state (noting that many of the side effects are more frequent at doses of 300 mg per day and above). Although there is some evidence of greater response at doses above 100 to 200 mg/day, the increase appears small and formal dose response studies have not been conducted.Use: As adjunctive therapy in the treatment of partial seizures

Usual Pediatric Dose for Seizures:

Less than 16 years of age: Not recommended16 years of age and older: See adult dosing

What happens if I miss a dose?

Take the medicine as soon as you can, yet skip the missed out on dose if it is practically time for your next dose. Do not take two doses at one time.

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What happens if I overdose?

Seek emergency situation medical focus or call the Toxin Help line at 1-800-222-1222.

Overdose signs may consist of slow heart price, feeling light-headed, fainting, and sluggish or superficial breathing.

Avoid driving or unsafe activity up until you understand how zonisamide will affect you. Your responses might be impaired.

Consuming alcohol with this medication can trigger side effects.

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What other drugs will affect zonisamide?

Taking zonisamide with various other drugs that make you drowsy can intensify this result. Ask your medical professional prior to taking zonisamide with a sleeping pill, narcotic pain medicine, muscular tissue relaxer, or medicine for stress and anxiety or seizures.

Various other drugs might impact zonisamide, consisting of prescription and over-the-counter medicines, vitamins, and natural items. Inform your doctor about all other medications you make use of.

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Related medicines

Before you take this medicine: the information on this page is general and may not cover your personal circumstances. Read the label supplied with your medicine and ask a pharmacist or doctor if you are unsure, especially if you are pregnant, breastfeeding, taking other medicines or managing a long-term condition.
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