lithium vs ziprasidone
Side-by-side comparison of lithium and ziprasidone. Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.
moderate Known Drug Interaction
Risk of serotonin syndrome with concomitant therapy with other serotonergic drugs such as SNRIs, SSRIs, triptans, tricyclic antidepressants, opioids, lithium, tryptophan, buspirone, amphetamines, and St. 7.5 Lithium Ziprasidone at a dose of 40 mg twice daily administered concomitantly with lithium at a dose of 450 mg twice daily for 7 days did not affect the steady-state level or renal clearance of lithium. Ziprasidone dosed adjunctively to lithium in a maintenance trial of bipolar patients did not affect mean therapeutic lithium levels.
Recommendation: Your doctor should monitor you for symptoms like muscle stiffness or fever. Do not stop taking your medicine without talking to your provider first.
Lithobid, Eskalith
Geodon
Lithium is a mood stabilizer medicine. It helps to balance mood swings.
Ziprasidone is a medicine used to treat mental disorders. It helps to balance chemicals in the brain to improve mood and behavior.
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.
Ziprasidone treats schizophrenia in adults. It also treats manic or mixed episodes of bipolar I disorder, either alone or with lithium or valproate. This medicine can help manage mood swings and improve overall mental well-being.
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.
Ziprasidone is an atypical antipsychotic. It works by affecting certain chemicals in the brain, like dopamine and serotonin. By balancing these chemicals, it helps to reduce symptoms of mental illness.
- • Tremor (shaking)
- • Nausea
- • Increased weight
- • Fatigue (feeling tired)
- • Vomiting
- • Feeling sleepy
- • Respiratory tract infection
- • Extrapyramidal symptoms (movement problems)
- • Dizziness
- • Restlessness
- Poisoning from different substances 2,179
- The drug is reacting with another medicine 1,526
- Shaking 1,463
- Feeling sick to your stomach 1,344
- Gaining weight 1,153
- Gaining weight 1,176
- Diabetes 1,003
- Feeling anxious 875
- Type 2 diabetes 859
- Trouble sleeping 801
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.
This medicine may increase the risk of death in elderly patients who have psychosis related to dementia. Ziprasidone is not approved to treat dementia-related psychosis. Talk to your doctor about the risks if you are an elderly patient with dementia.
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.
Tell your doctor if you are pregnant or plan to become pregnant. Babies born to mothers who use this medicine in the last 3 months of pregnancy may have withdrawal symptoms after birth. There is a pregnancy registry, call 1-866-961-2388.
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How to Read This lithium vs ziprasidone Comparison
lithium is classified in the Mood Stabilizer drug class, while ziprasidone sits within the Atypical Antipsychotic 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 7,665 submissions while ziprasidone has 4,714. 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 moderate interaction flagged in FDA labeling, attributed to these drugs can both raise serotonin levels in the body. when used together, they may cause a serious reaction called serotonin syndrome.. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.
A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between lithium and ziprasidone - always consult your physician or pharmacist first.
Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.