Get an alert when a recall is issued.
There is currently no warning information available for this product. We apologize for any inconvenience.
There is currently no manufacturer warning information available for this drug.
1.1 Monotherapy Epilepsy
Topiramate tablets, USP are indicated as initial monotherapy in patients 2 years of age and older with partial onset or primary generalized tonic-clonic seizures. Safety and effectiveness in patients who were converted to monotherapy from a previous regimen of other anticonvulsant drugs have not been established in controlled trials [see Clinical Studies (14.1)].
1.2 Adjunctive Therapy Epilepsy
Topiramate tablets, USP are indicated as adjunctive therapy for adults and pediatric patients ages 2 to 16 years with partial onset seizures or primary generalized tonic-clonic seizures, and in patients 2 years of age and older with seizures associated with Lennox-Gastaut syndrome [see Clinical Studies (14.2)].
Topiramate is a sulfamate-substituted monosaccharide. Topiramate tablets are available as 25 mg, 50 mg, 100 mg, and 200 mg round tablets for oral administration.
Topiramate is a white crystalline powder with a bitter taste. Topiramate USP is most soluble in alkaline solutions containing sodium hydroxide or sodium phosphate and having a pH of 9 to 10. It is freely soluble in acetone, chloroform, dimethylsulfoxide, and ethanol. The solubility in water is 9.8 mg/mL. Its saturated solution has a pH of 6.3. Topiramate has the molecular formula C12H21NO8S and a molecular weight of 339.37. Topiramate is designated chemically as 2,3:4,5-Di-O-isopropylidene-β-D-fructopyranose sulfamate and has the following structural formula:
Topiramate tablets, USP contain the following inactive ingredients: anhydrous lactose, microcrystalline cellulose, pregelatinized maize starch, sodium starch glycolate type A potato, magnesium stearate, polyvinyl alcohol, titanium dioxide, polyethylene glycol and talc.
In addition, individual tablets contain:
50 mg tablets: iron oxide yellow
100 mg tablets: iron oxide yellow, and D&C Yellow # 10 Aluminum Lake
200 mg tablets: iron oxide red, lecithin (soya), and iron oxide black
