Medication Guide
Ziprasidone (Geodon) Side Effects and Uses
A plain-language guide to Ziprasidone, an atypical antipsychotic. Learn how it helps, what it treats, how to take it and which side effects to know about.
Quick answer. Ziprasidone (Geodon) is an atypical antipsychotic. Common ziprasidone side effects include sleepiness, nausea or upset stomach, dizziness and restlessness. The rare but serious ones, and when to get help, are listed under ziprasidone side effects below. Never stop or change your dose on your own.
How Ziprasidone Can Help You
Ziprasidone is sold as Geodon. It balances dopamine and serotonin. This eases voices, false beliefs, mixed-up thinking and mania. Its standout trait is that it is mostly weight-neutral. It is one of the least likely drugs of its kind to cause weight gain or blood sugar problems. That makes it appealing for people who gained weight on other drugs.
Agitation and sleep often start to improve in the first week. Fuller effects on voices or mania build over two to six weeks. Getting better often feels like finding a steady baseline again. There are fewer unwanted thoughts and calmer energy.
Ziprasidone can affect the heart's electrical rhythm a bit more than some other choices. Your prescriber may review your heart history. They may order an EKG before or during treatment.
Uses for Ziprasidone
- Schizophrenia
- Bipolar I mania or mixed episodes
- Bipolar maintenance, added to lithium or valproate
- Sudden agitation in schizophrenia (shot form)
- Schizoaffective disorder (off-label)
How to Take Ziprasidone
Ziprasidone is usually taken twice a day with food. Your prescriber decides the dose. Take each dose with a real meal. Without food, your body absorbs much less. Then the medicine may not work well. Taking doses with breakfast and dinner is an easy routine.
Tell your prescriber about any heart problems. Also tell them about fainting or drugs that affect heart rhythm. Ziprasidone can lengthen the QT interval, so an EKG may be checked. Weight, blood sugar and cholesterol are still checked from time to time.
If you miss a dose, take it with your next meal. Skip it if the next dose is close. Never double up. Do not stop on your own.
Ziprasidone Side Effects
Common Side Effects
- Sleepiness
- Nausea or upset stomach
- Dizziness
- Restlessness (akathisia)
- Headache
- Tremor or stiff muscles
- Rash
- Trouble sleeping
Serious: Get Medical Help Promptly
- Death risk in older adults with dementia and psychosis (boxed warning)
- QT prolongation, with odd heartbeat, fainting or pounding heart
- Tardive dyskinesia (movements you cannot control, which may last)
- Neuroleptic malignant syndrome (high fever, stiff muscles, confusion)
- Severe drug reaction with rash, fever and swollen glands (DRESS)
How Ziprasidone Works
Ziprasidone blocks dopamine D2 and serotonin 5-HT2A receptors. Calming dopamine in some brain pathways eases voices, false beliefs and mania. The strong serotonin effect is thought to lower the risk of movement side effects.
Ziprasidone also acts on other serotonin receptors. It slows the reuptake of serotonin and norepinephrine a little. It has only mild effects on histamine. That helps explain why it causes less weight gain than many drugs like it. It leaves the body fairly fast. That is why it is taken twice a day.
Before You Start Ziprasidone
People with some heart problems should not take ziprasidone. These include a long QT interval and a recent heart attack. Heart failure that is not under control is another. Tell your prescriber about any fainting or racing heartbeat. Also share any family history of sudden heart death.
Low potassium or magnesium can raise heart rhythm risk. Your prescriber may check these blood levels before you start. Share every medicine you take. Other drugs that lengthen the QT interval should not be mixed with ziprasidone.
Ziprasidone can make it harder to cool down. So drink enough fluids in hot weather. Report any rash with fever right away. If you are pregnant or planning a pregnancy, talk it through with your prescriber.
Is Ziprasidone Right for You?
Only a full evaluation with a prescriber can tell you if Ziprasidone fits your symptoms, history and goals. Harpal Singh, PMHNP-BC offers psychiatric evaluations and ongoing medication management by telehealth anywhere in California.
SCHEDULE AN APPOINTMENT CALL (888) 457-8124
Related Medication Guides
Other guides in the same group, written the same simple way. Being in one group does not mean you can swap one medicine for another.
- Quetiapine (Seroquel), atypical antipsychotic
- Risperidone (Risperdal), atypical antipsychotic
- Aripiprazole (Abilify), atypical antipsychotic
- Brexpiprazole (Rexulti), atypical antipsychotic
- Cariprazine (Vraylar), atypical antipsychotic
- Clozapine (Clozaril), atypical antipsychotic
FAQ
Questions About Ziprasidone
Why does ziprasidone have to be taken with food?
Food helps your body absorb ziprasidone. Taken on an empty stomach, your body may absorb only about half as much. Tying doses to breakfast and dinner makes this easy to remember.
Should I be worried about the heart rhythm warning?
Ziprasidone can slightly lengthen the QT interval, an electrical measure of the heartbeat. For most healthy people this is not a practical problem, but your prescriber will review your heart history and medicines and may order an EKG. Report fainting, a pounding heart or unusual dizziness right away.
Is ziprasidone really weight-neutral?
It is among the most weight-friendly antipsychotics, and most people gain little or no weight. Metabolic labs are still checked from time to time as a safety step. This profile is often the main reason it is chosen.
Why twice a day instead of once?
Ziprasidone leaves the body fairly quickly, so twice-a-day dosing keeps levels steady. Skipping doses lets levels dip and symptoms creep back. If twice a day is hard for you, tell your prescriber.
How long does ziprasidone take to work?
Agitation and sleep often improve within the first week. Voices, false beliefs or mania usually improve more over two to six weeks. Keep taking it with meals and tell your prescriber how you feel.
What does a rash on ziprasidone mean?
Rash is a known side effect, and most rashes are mild. A rash with fever or swollen glands can signal a rare but serious reaction called DRESS. Tell your prescriber about any rash, and get care right away if you also have a fever.
Can I drink alcohol while taking ziprasidone?
It is best to avoid alcohol. It adds to sleepiness and dizziness and can make symptoms worse. Talk with your prescriber about what is safe for you.
What happens if I stop ziprasidone suddenly?
Stopping suddenly risks a return of psychotic or manic symptoms, sometimes worse than before. It can also bring rebound trouble sleeping and anxiety. If you and your prescriber decide to stop, the dose will be lowered slowly.