lithium vs topiramate
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Side-by-side comparison of lithium and topiramate. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
minor Known Drug Interaction
7 DRUG INTERACTIONS Oral contraceptives: decreased contraceptive efficacy and increased breakthrough bleeding, especially at doses greater than 200 mg/day ( 7.4 ) Monitor lithium levels if lithium is used with high-dose topiramate ( 7.7 ) 7.1 Antiepileptic Drugs Concomitant administration of phenytoin or carbamazepine with topiramate resulted in a clinically significant decrease in plasma concentrations of topiramate when compared to topiramate given alone. 7.7 Lithium An increase in systemic exposure of lithium following topiramate doses of up to 600 mg/day can occur. Lithium levels...
Lithobid, Eskalith
Topamax
Lithium is a mood stabilizer medicine. It helps to balance mood swings.
Topiramate is a medicine that can help prevent seizures and migraines. It works by calming the brain.
Lithium is used to treat bipolar disorder. Bipolar disorder causes unusual shifts in mood, energy, activity levels, and concentration. Lithium helps to control the extreme highs (mania) and lows (depression) of this condition.
Topiramate can be used alone or with other medicines to treat certain types of seizures in people 2 years and older. These seizures include partial-onset seizures and primary generalized tonic-clonic seizures. It also treats seizures related to Lennox-Gastaut syndrome. Topiramate can also help prevent migraine headaches in people 12 years and older.
Lithium affects the flow of sodium in nerve and muscle cells in the body. This helps to stabilize your mood. It may also affect other chemical messenger systems in the brain.
Topiramate works by reducing the excitability of brain cells. It also increases the activity of a brain chemical called GABA. These actions help to prevent seizures and migraines.
- • Tremor (shaking)
- • Nausea
- • Increased weight
- • Fatigue (feeling tired)
- • Vomiting
- • Tingling or numbness
- • Loss of appetite
- • Weight loss
- • Speech problems
- • Tiredness
- Toxicity To Various Agents 2,179
- Drug Interaction 1,526
- Tremor 1,462
- Nausea 1,344
- Weight Increased 1,153
- Headache 6,464
- Nausea 5,710
- Fatigue 5,293
- Pain 4,485
- Migraine 4,373
Lithium levels in your blood need to be monitored closely by your doctor. Too much lithium can be toxic and cause serious side effects. Make sure to attend all scheduled blood tests.
Topiramate can cause serious side effects. It can cause vision problems, including sudden nearsightedness and glaucoma. It can decrease sweating and increase body temperature, especially in children. It can cause metabolic acidosis (too much acid in the blood). It may increase the risk of suicidal thoughts or actions. It can affect thinking and coordination. It can harm an unborn baby. It can decrease bone mineral density. It can slow growth in children. It can cause serious skin reactions. It can cause kidney stones. If you experience any of these, contact your doctor immediately.
Lithium can harm your unborn baby. Talk to your doctor if you are pregnant or plan to become pregnant. Lithium can pass into breast milk and may harm a nursing infant. Talk to your doctor about the best way to feed your baby if you are taking lithium.
Topiramate can harm your unborn baby. It may cause birth defects like cleft lip or cleft palate. It can also cause the baby to be smaller than normal. If you are pregnant or plan to become pregnant, talk to your doctor about the risks and benefits of taking topiramate.
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How to Read This lithium vs topiramate Comparison
lithium is classified in the Mood Stabilizer drug class, while topiramate sits within the Anticonvulsant class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are prescription-only, so a licensed provider must authorize use.
Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, lithium has 7,664 submissions while topiramate has 26,325. Those figures reflect cumulative reporting volume, not per-patient risk, so older, widely dispensed drugs typically look worse on count alone. These two drugs have a known minor interaction flagged in FDA labeling, attributed to using high doses of topiramate can lead to higher levels of lithium in your bloodstream.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot represent individual circumstances. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This registry does not provide medical, treatment, substitution, or medication-change directions for lithium or topiramate.
Registry boundary: This comparison displays source-record fields and does not provide individualized medical direction.