Active Substance: Topiramate.
Overview
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This medicine contains an important and useful components, as it consists of
Topiramateis available in the market in concentration
Topiramate
Renal or hepatic impairment, pregnancy, lactation. May impair ability to drive or operate machinery. Maintain adequate hydration to reduce the risk of renal calculi especially in predisposed patients. Measure serum bicarbonate at baseline and periodically during treatment. Avoid abrupt withdrawal; decrease dose by 100 mg daily at wkly intervals. Seek immediate medical attention if blurred vision or eye pain. Monitor closely for decreased sweating and increased body temperature, especially in hot weather. Ensure proper hydration before and during activities or exposure to warm temperatures. Lactation: Excreted in milk; use caution
Epilepsy, Migraine prophylaxis, Seizures associated w/ Lennox-gastaut syndrome
Contraindicated in persons showing hypersensitivity to any component of this preparation.
>10% Decrease in serum bicarbonate (7-67%),Dizziness (4-29%),Fatigue (9-16%),Ataxia (6-16%),Nervousness (9-18%),Paresthesia (1-11%),Psychomotor slowing (3-13%),Abnormal vision (2-13%),Anorexia (4-24%),Confusion (4-11%),Decreased memory (2-12%),Nausea (6-10%),Speech disorder (2-13%),Injury (14%) 1-10% Abdominal pain (6-10%),Weight loss (4-9%),Diplopia (1-10%),Mood problems (<6%),Pharyngitis (6%),Tremor (3-9%),Abnormal gait (3-8%),Apathy (1%),Asthenia (1-5%),Dry mouth (2%),Menorrhagia (1-2%),Skin disorder (2-3%),Taste change (2%),Edema (2%),Hypertension (1-2%),Syncope (1%),Bradycardia (1%),Pallor (1%) <1% Angina,Erythema,Hepatic failure,Hyperthermia,Hypokalemia,Neuropathy,Toxic epidermal necrolysis
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Topiramate is a sulfamate-substituted monosaccharide with precise mechanism of action unknown. It may be due to various mechanisms e.g. blocking of voltage-dependent sodium channels; augmenting the activity of ?-aminobutyric acid (GABA) at GABA-A receptor; antagonising AMPA/kainate glutamate receptors; inhibiting carbonic anhydrase.
Coadmin with antiepileptic drugs e.g. phenytoin, carbamazepine, phenobarbital decreases plasma concentration of topiramate. Possible increase in phenytoin levels. Increased risk of renal stone formation with carbonic anhydrase inhibitors e.g. acetazolamide. Increased risk of CNS depression with CNS depressants and alcohol. Increased risk of hyperammonaemia and encephalopathy with valproic acid. Increased risk of contraceptive failure in women taking combined oral contraceptives.
Information not available