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Serax Side Effects Center
Medical Editor: John P. Cunha, DO, FACOEP
Serax (oxazepam) is a benzodiazepine used to treat anxiety disorders or alcohol withdrawal symptoms. Serax may also be used for sleep (insomnia). Serax is available in generic form. Common side effects of Serax include drowsiness, dizziness, blurred vision, headache, amnesia or forgetfulness, trouble concentrating, slurred speech, swelling, skin rash, nausea, vomiting, constipation, irregular menstrual periods, or loss of interest in sex.
Dose of Serax depends on the condition that is being treated. The recommended dose for alcohol withdrawal treatment is 15-30 mg three to four times daily. The recommended dose for anxiety treatment ranges from 10-30 mg three or four times daily. Serax may interact with other medications including barbiturates, MAO inhibitors, medicines to treat psychiatric disorders, narcotic medications, and antidepressants. Tell your doctor all medications you are taking. Serax is not recommended for use during pregnancy due to the potential for birth defects. If you become pregnant or think you may be pregnant, inform your doctor immediately. This drug passes into breast milk and may have undesirable effects on a nursing infant. Consult your doctor before breast-feeding. Serax may be habit-forming. You may also have seizures or withdrawal symptoms (tremor, sweating, trouble sleeping, muscle cramps, stomach pain, vomiting, diarrhea, confusion, unusual thoughts or behavior, and seizure/convulsions) when you stop using Serax. Do not stop using this medication without first talking to your doctor.
Our Serax Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Patient Information in Detail?
Easy-to-read and understand detailed drug information and pill images for the patient or caregiver from Cerner Multum.
Serax in Detail - Patient Information: Side Effects
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have any of these serious side effects:
- unusual risk-taking behavior, decreased inhibitions, no fear of danger;
- hyperactivity, agitation, hostility;
- feeling lightheaded, fainting;
- jaundice (yellowing of the skin or eyes); or
- problems with urination.
Less serious side effects may include:
- drowsiness, dizziness;
- amnesia or forgetfulness, trouble concentrating;
- slurred speech;
- skin rash;
- nausea, vomiting, constipation;
- irregular menstrual periods; or
- loss of interest in sex.
This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect. You may report side effects to FDA at 1-800-FDA-1088.
Read the entire detailed patient monograph for Serax (Oxazepam)
What is Patient Information Overview?
A concise overview of the drug for the patient or caregiver from First DataBank.
Serax Overview - Patient Information: Side Effects
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
Tell your doctor immediately if any of these unlikely but serious side effects occur: mental/mood changes, slurred speech, clumsiness, trouble walking, decreased/increased interest in sex, tremor, trouble urinating, sleep disturbances.
Tell your doctor immediately if any of these highly unlikely but very serious side effects occur: fainting, stomach/abdominal pain, persistent nausea, vomiting, fatigue, yellowing eyes or skin, dark urine, persistent sore throat or fever.
A serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
In the US -
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
In Canada - Call your doctor for medical advice about side effects. You may report side effects to Health Canada at 1-866-234-2345.
Read the entire patient information overview for Serax (Oxazepam)
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
Serax FDA Prescribing Information: Side Effects
The necessity for discontinuation of therapy due to undesirable effects has been rare. Transient, mild drowsiness is commonly seen In the first few days of therapy. If it persists, the dosage should be reduced. In few instances, dizziness, vertigo, headache, and rarely syncope have occurred either alone or together with drowsiness. Mild paradoxical reactions. i.e.., excitement, stimulation of affect, have been reported in psychiatric patients; these reactions may be secondary to relief of anxiety and usually appear in the first two weeks of therapy.
Other side effects occurring during oxazepam therapy include rare instances of nausea, lethargy, edema, slurred speech, tremor, altered libido, and minor diffuse skin rashes-morbilliform, urticarial, and maculopapular. Such side effects have been Infrequent and are generally controlled with reduction of dosage. A case of an extensive fixed drug eruption also has been reported.
Ataxia with oxazepam has been reported in rare instances and does not appear to be specifically related to dose or age.
Although the following side reactions have not as yet been reported with oxazepam, they have occurred with related compounds (chlordiazepoxide and diazepam): paradoxical excitation with severe rage reactions, hallucinations, menstrual irregularities, change In EEG pattern, blood dyscrasias including agranulocytosis, blurred vision, diplopia, incontinence, stupor, disorientation, fever, and euphoria.
Read the entire FDA prescribing information for Serax (Oxazepam)
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Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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