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Fluvoxamine maleate

This is a summary of the most important information about fluvoxamine maleate. For details, talk to your healthcare professional.

FDA ALERT [07/2006] – Possible Life-Threatening Serotonin Syndrome When Used With Triptan Medicines

A life-threatening condition called serotonin syndrome can happen when medicines called selective serotonin reuptake inhibitors (SSRIs), such as fluvoxamine, and medicines used to treat migraine headaches known as 5-hydroxytryptamine receptor agonists (triptans), are used together. Signs and symptoms of serotonin syndrome include the following:

* restlessness
* hallucinations
* loss of coordination
* fast heart beat
* increased body temperature
* fast changes in blood pressure
* overactive reflexes
* diarrhea
* coma
* nausea
* vomiting

Serotonin syndrome may be more likely to occur when starting or increasing the dose of an SSRI or a triptan. This information comes from reports sent to FDA and knowledge of how these medicines work. If you take migraine headache medicines, ask your healthcare professional if your medicine is a triptan.

Before you take fluvoxamine and a triptan together, talk to your healthcare professional. If you must take these medicines together, be aware of the possibility of serotonin syndrome, and get medical care right away if you think serotonin syndrome is happening to you.

This information reflects FDA’s current analysis of data available to FDA concerning this drug. FDA intends to update this sheet when additional information or analyses become available.

FDA ALERT [07/2006] – Infant Persistent Pulmonary Hypertension

The results of a study that looked at the use of antidepressant medicines during pregnancy in mothers of babies born with a serious condition called persistent pulmonary hypertension of the newborn (PPHN) were recently published in a medical journal.
Babies born with PPHN have abnormal blood flow through the heart and lungs and do not get enough oxygen to their bodies. Babies with PPHN can be very sick and may die.

The study results showed that:

* babies born to mothers who took selective serotonin reuptake inhibitors (SSRIs), the family of medicines fluvoxamine belongs to,
* 20 weeks or later in their pregnancies,
* had a higher chance (were 6 times as likely) to have persistent pulmonary hypertension (PPHN),
* than babies born to mothers who did not take antidepressants during pregnancy.

The FDA plans to further look at the role of SSRIs in babies with PPHN.

Talk to your doctor if you are taking fluvoxamine and are pregnant or are planning to have a baby. You and your doctor will need to talk about the best way to treat your depression during pregnancy.

This information reflects FDA’s current analysis of data available to FDA concerning this drug. FDA intends to update this sheet when additional information or analyses become available.

What is Fluvoxamine?
Fluvoxamine is in a class of medicines called selective serotonin reuptake inhibitors (SSRIs). Fluvoxamine is used to treat obsessive-compulsive disorder (OCD).

Who Should Not Take Fluvoxamine?
Never take fluvoxamine if you are taking another drug used to treat depression, called a Monoamine Oxidase Inhibitor (MAOI), or if you have stopped taking an MAOI in the last 14 days. Taking fluvoxamine close in time to an MAOI can result in serious, sometimes fatal, reactions, including:

* High body temperature
* Coma
* Seizures (convulsions)

MAOI drugs include Nardil (phenelzine sulfate), Parnate (tranylcypromine sulfate), Marplan (isocarboxazid), and other brands.

What Are The Risks?

The following are the major potential risks and side effects of fluvoxamine therapy. However, this list is not complete.

* Possible life-threatening serotonin syndrome when used with triptan medicines: See FDA Alert [07/2006] above.

* Infant persistent pulmonary hypertension: See FDA Alert [07/2006] above.

* Suicidal thoughts or actions: Persons taking fluvoxamine may be more likely to think about killing themselves or actually try to do so, especially when fluvoxamine is first started or the dose is changed. People close to persons taking fluvoxamine can help by paying attention to changes in user’s moods or actions. Contact your healthcare professional right away if someone using fluvoxamine talks about or shows signs of killing him or herself. If you are taking fluvoxamine yourself and you start thinking about killing yourself, tell your healthcare professional about this side effect right away.

* Stopping fluvoxamine: Do not stop taking citalopram suddenly because you could get side effects. Your healthcare professional will slowly decrease your dose.

* Bleeding problems: fluvoxamine may cause bleeding problems, especially if taken with aspirin, NSAIDs (nonsteroidal anti-inflammatory drugs, such as ibuprofen and naproxen), or other drugs that affect bleeding.

* Mania: You may become unusually hyperactive, excitable or elated.

* Seizures: You may experience a seizure (convulsion), even if you are not taking fluvoxamine close in time with an MAOI.

* Pregnancy: Tell your healthcare professional if you are or may be pregnant (see FDA Alert [06/2006] above). In addition to the issue described in the alert, babies delivered to mothers taking fluvoxamine late in pregnancy have developed problems, such as difficulty breathing and feeding.

* Sexual problems: You may have problems with impotence (erectile dysfunction), abnormal ejaculation, difficulty reaching orgasm, or decreased libido (sexual desire).

* Other side effects include nausea, vomiting, upset stomach, difficulty sleeping, nervousness, shakiness, sweating, weakness, decreased appetite, and sleepiness.

* Tell your healthcare professional about all your medical conditions, especially liver or kidney disease. Tell your healthcare professional if you are breast-feeding or plan to breast-feed your baby.

Are There Any Interactions With Drugs or Foods?

* Fluvoxamine may interact with medicines other than the ones already mentioned in this information sheet. These interactions can cause serious side effects. Of special concern are:

o Certain benzodiazepines, which treat anxiety

o Mexitil (mexiletine), which treats heart beat problems

o Theophylline, which treats asthma

o Warfarin, which treats blood clots

Tell your healthcare professional about all medicines, vitamins, and herbal supplements you take.

* If you plan to drink alcohol, talk to your healthcare professional.

How Do I Take Fluvoxamine?

Fluvoxamine is taken by mouth, with or without food, exactly as prescribed by your healthcare professional.

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