Q: What precautions should be taken when using Topiramate 25 mg Tablets?

This medication may increase the risk of suicidal thoughts or behavior, so if any changes in mood or behavior occur during treatment, consult a physician immediately. There is a risk of sudden death in epilepsy patients taking this drug, so caution is required. Severe skin reactions such as Stevens-Johnson syndrome or toxic epidermal necrolysis may occur, so if any unusual skin symptoms appear, discontinue the medication and inform a physician immediately. Patients who are allergic to any components of this drug or have lactose intolerance should not take it. Women of childbearing potential should take a pregnancy test before starting the medication and use effective contraception during treatment, as it may harm the fetus if taken during pregnancy. Patients with impaired kidney or liver function may need dose adjustments, and patients on dialysis should adjust the dose according to dialysis conditions. Adequate hydration is important to reduce the risk of kidney stones. Various side effects such as weight change, appetite change, drowsiness, dizziness, memory impairment, etc., may occur during treatment, so consult a physician if any unusual symptoms arise. This medication affects the central nervous system and may cause drowsiness or blurred vision, so caution is advised while driving or operating machinery during the initial stages of treatment. There may be interactions with other medications, so if taking any other medications, inform the physician or pharmacist. Taking this medication during pregnancy poses risks of fetal malformation and growth restriction, so women planning pregnancy or pregnant should consult healthcare professionals. Regular check-ups and necessary tests with a physician are required during treatment with this medication.

Question 1

What are the indications and effects of Topiramate 25 mg Tablets?

Accepted Answer

This medication is used to treat partial seizures, with or without secondary generalized seizures, in children and adults over the age of 6. Additionally, it is effective as an adjunct therapy for patients over 2 years old who struggle to control their seizures with existing antiepileptic drugs, including secondary generalized seizures, partial seizures, seizures associated with Lennox-Gastaut syndrome, and primary generalized tonic-clonic seizures. It is also used to prevent migraines, helping to improve patients' symptoms. Overall, this medication is used for various forms of seizures and for migraine prevention.

Question 2

What are the dosage and administration instructions for Topiramate 25 mg Tablets?

Accepted Answer

It is preferable to start this medicine at a low dose and increase it to the effective dose.
Monitoring of blood concentrations is not necessary to optimize administration of this medicine.
The recommended dose of this medicine applies to all adults and children, including the elderly, in the absence of renal disease.
It may be administered with or without food.
The tablet should be swallowed whole without crushing.
Adults (17 years and older): Start with 25㎎ in the evening for the first week. Thereafter, increase the daily dose by 25 or 50㎎ at 1-2 week intervals and administer in 2 divided doses daily. If the patient has difficulty tolerating this titration schedule, lengthen the intervals between dose increases. The dose and rate of titration are determined according to clinical response. The recommended dose for monotherapy in adults is 100～200mg daily. The maximum recommended dose is 500㎎ daily. Some patients with recurrent epilepsy have tolerated topiramate monotherapy at doses up to 1,000㎎ daily.
Adults (17 years and older)
The minimum effective dose is 200mg daily, and the usual dose is 200-400mg daily, divided into 2 doses. Depending on the patient, the dose may be increased up to the maximum recommended dose of 800mg daily. Start treatment with 25-50mg in the evening for the first week; starting at a lower dose is also possible. Thereafter, increase the dose by 25-50mg at 1-2 week intervals and administer in 2 divided doses daily. If the patient has difficulty tolerating the increased dose, the dose increments may be reduced or the intervals between increases extended. The dose should be determined according to clinical effect.
Adults: Start with 25mg of this medicine in the evening for the first week. Thereafter, increase the dose by 25mg/day at 1-week intervals. If the patient has difficulty tolerating these increases, lengthen the intervals between dose increases. The recommended daily dose is 100mg, administered in 2 divided doses. Some patients may respond to a dose of 50mg daily. The dose may be increased up to 200mg daily; the dose and rate of titration should be determined according to clinical response.
For patients with moderate or severe renal impairment (CLcr < 70 mL/min/1.73 m2), it is recommended that the starting and maintenance doses be reduced to approximately 1/2.
Patients on hemodialysis: Because this medicine is removed from plasma by hemodialysis, increase the dose of this medicine by approximately 1/2 on the day of dialysis. Increase the dose taking into account the duration of dialysis, dialyzer clearance, and the patient's residual clearance, and administer the dose in divided doses at the start and end of hemodialysis.
Administer with caution to patients with hepatic impairment, as clearance of this medicine may be reduced.

Answer

Children (6-16 years): Start with 0.5-1㎎/㎏ in the evening for the first week. Thereafter, increase the daily dose by 0.5-1㎎/㎏ at 1-2 week intervals and administer in 2 doses daily. If the patient has difficulty tolerating the increase, reduce the increments or extend the intervals between increases. The dose and extent of titration are determined according to clinical response. The recommended dose for monotherapy in children is 3-6mg/kg daily. Doses up to 500㎎ daily have been used in children diagnosed with partial seizures.
Children (2-16 years): The recommended daily dose is approximately 5-9mg/kg, administered in 2 divided doses. Administer 25mg (or less, based on 1-3mg/kg daily) in the evening for the first week; thereafter, increase the daily dose by 1-3mg/kg at 1-2 week intervals until an appropriate clinical effect is achieved, and administer in 2 divided doses. Dose titration should be determined according to clinical effect. Doses up to 30mg/kg daily have been administered and were generally well tolerated.

Question 3

What are the side effects of Topiramate 25 mg Tablets?

Accepted Answer

Suicidal ideation, suicidal behavior, depression, abnormal changes in mood and behavior, Stevens-Johnson syndrome, toxic epidermal necrolysis, perceptual disturbances, somnolence, ataxia, concentration disorders, attention disorders, confusion, dizziness, fatigue, paresthesia, delirium, thought disturbances, agitation, emotional instability, appetite loss, asthenia, disorientation, memory impairment, diplopia, vertigo, speech disorders, word selection disorders, nausea, nystagmus, psychomotor retardation, tremor, visual disturbances, weight loss, gait disturbances, aggressive responses, apathy, perceptual abnormalities, coordination issues, leukopenia, psychiatric symptoms, dysgeusia, nephrolithiasis, thromboembolism, fatigue, asthenia, back pain, chest pain, influenza-like symptoms, leg pain, allergy, flushing, body odor, edema, rigidity, dizziness, ataxia, speech disorders, nystagmus, perceptual disturbances, tremor, coordination issues, sensory impairment, walking abnormalities, involuntary muscle contractions, confusion, dizziness, nausea, dyspepsia, abdominal pain, constipation, gastroenteritis, thirst, gastrointestinal disorders, gingivitis, auditory disturbances, weight loss, myalgia, skeletal pain, epistaxis, purpura, somnolence, psychomotor retardation, neuroexcitability, memory impairment, disorientation, depression, concentration/attention disorders, agitation, mood disorders, aggressive responses, cognitive dysfunction, reduced libido, apathy, depersonalization, emotional instability, breast pain, amenorrhea, menorrhagia, menstrual disorders, prostate disorders, infection, viral infection, candidiasis, rhinitis, pharyngitis, sinusitis, dyspnea, erythematous rash, skin disorders, increased sweating, dysgeusia, urinary tract infection, hematuria, urinary incontinence, frequent urination, urinary abnormalities, diplopia, visual disturbances, ocular pain, leukopenia, anemia, autonomic nervous system disorders, vasodilation, fever, syncope, halitosis, abdominal distension, alcohol intolerance, retrosternal chest pain, sudden death, hypertension, hypotension, orthostatic hypotension, tension headache, erectile dysfunction, hallucinations, hyperactivity, psychosis, hypokinesia, confusion, generalized tonic-clonic seizures, hyperactivity, leg cramps, reduced reflexes, neurosis, migraine, akinesia, hypersensitivity, dyskinesia, bilateral hemiplegia, speech disorders, scotoma, hypotonia, dystonia, coma, encephalopathy, fecal incontinence, insomnia, personality disorders, reduced libido, manic responses, suicide attempts, paranoid responses, increased appetite, delusions, paranoia, delirium, abnormal dreams, EEG abnormalities, cerebellar syndrome, tongue paralysis, increased libido, goiter, thyroid disorders, diarrhea, vomiting, hemorrhoids, flatulence, gastroenteritis, gingival hyperplasia, dental caries, stomatitis, dysphagia, melena, gastritis, increased saliva, hiccups, gastroesophageal reflux, tongue swelling, esophagitis, tinnitus, earache, auditory hypersensitivity, angina pectoris, palpitations, AV block bradycardia, heart block, arrhythmia, atrial arrhythmia, atrial fibrillation, elevated SGPT, elevated SGOT, gallbladder disorders, elevated γ-GT, dehydration, weight gain, thirst, hypokalemia, increased alkaline phosphatase, hypocalcemia, hyperlipidemia, acidosis, hyperglycemia, elevated creatinine, hyperchloremia, dry eyes, diabetes mellitus, hypernatremia, serum folate abnormalities, hyponatremia, hypocholesterolemia, hypoglycemia, hypophosphatemia, arthralgia, muscle weakness, arthrosis, osteoporosis, basal cell carcinoma, anemia, gum bleeding, thrombocytopenia, pulmonary embolism, lymphadenopathy, lymphadenitis, eosinophilia, lymphocytopenia, lymphocytosis, neutropenia, thrombocytosis, erythrocytosis, bone marrow suppression, pancytopenia, intermenstrual bleeding, leukorrhea, dysmenorrhea, vaginitis, amenorrhea, ejaculation disorders, lactation, cough, bronchitis, asthma, bronchospasm, laryngospasm, acne, urticaria, hair loss, dermatitis, nail disorders, folliculitis, xerosis, eczema, skin depigmentation, psoriasis, photodermatitis, erythematous rash, seborrheic dermatitis, decreased sweating, hair abnormalities, brown spots, dysgeusia, ageusia, post-ictal sensations, urinary difficulties, nephrolithiasis, urinary tract infection, frequent urination, urinary incontinence, urinary retention, facial edema, renal colic, nocturnal enuresis, albuminuria, polyuria, oliguria, flushing, venous thrombosis, phlebitis, vascular constriction, conjunctivitis, dysregulation, photophobia, overflow, strabismus, color blindness, myopia, dilated pupils, cataract, corneal opacity, iritis, nasopharyngitis, neutropenia, allergic edema, hyperammonemia, hyperammonemic encephalopathy, despair, abnormal sensations in the eyes, angle-closure glaucoma, conjunctival edema, ocular motility disorders, eyelid edema, maculopathy, myopia, cough, chest discomfort, polymorphic erythema, periocular edema, peripheral edema, joint swelling, limb discomfort, tubular acidosis, renal calcinosis, systemic edema, influenza-like illness, weight gain, diaphoresis, eye fatigue, headache, drowsiness, hypersomnolence, tremor, sedation, dystonia, ocular pain, blurred vision, palpitations, memory impairment, forgetfulness, insomnia, cognitive dysfunction, chest discomfort, peripheral edema

Question 4

What precautions should be taken when using Topiramate 25 mg Tablets?

Accepted Answer

This medication may increase the risk of suicidal thoughts or behavior, so if any changes in mood or behavior occur during treatment, consult a physician immediately.

There is a risk of sudden death in epilepsy patients taking this drug, so caution is required.

Severe skin reactions such as Stevens-Johnson syndrome or toxic epidermal necrolysis may occur, so if any unusual skin symptoms appear, discontinue the medication and inform a physician immediately.

Patients who are allergic to any components of this drug or have lactose intolerance should not take it.

Women of childbearing potential should take a pregnancy test before starting the medication and use effective contraception during treatment, as it may harm the fetus if taken during pregnancy.

Patients with impaired kidney or liver function may need dose adjustments, and patients on dialysis should adjust the dose according to dialysis conditions.

Adequate hydration is important to reduce the risk of kidney stones.

Various side effects such as weight change, appetite change, drowsiness, dizziness, memory impairment, etc., may occur during treatment, so consult a physician if any unusual symptoms arise.

This medication affects the central nervous system and may cause drowsiness or blurred vision, so caution is advised while driving or operating machinery during the initial stages of treatment.

There may be interactions with other medications, so if taking any other medications, inform the physician or pharmacist.

Taking this medication during pregnancy poses risks of fetal malformation and growth restriction, so women planning pregnancy or pregnant should consult healthcare professionals.

Regular check-ups and necessary tests with a physician are required during treatment with this medication.

Topiramate 25 mg Tablets

Summary

Ingredients

Efficacy & effects

Dosage and Administration

Adult dosage

Children's dosage

Precautions

Side effects

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Appearance

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