What is the most important information I should know about buspirone?
Do not use buspirone if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, and tranylcypromine.
What is buspirone?
Buspirone is an anti-anxiety medicine that affects chemicals in the brain that may be unbalanced in people with anxiety.
Buspirone is used to treat symptoms of anxiety, such as fear, tension, irritability, dizziness, pounding heartbeat, and other physical symptoms.
Buspirone is not an anti-psychotic medication and should not be used in place of medication prescribed by your doctor for mental illness.
Buspirone may also be used for purposes not listed in this medication guide.
What should I discuss with my healthcare provider before taking buspirone?
You should not use buspirone if you are allergic to it.
Do not use buspirone if you have taken an MAO inhibitor in the past 14 days. A dangerous drug interaction could occur. MAO inhibitors include isocarboxazid, linezolid, methylene blue injection, phenelzine, rasagiline, selegiline, and tranylcypromine.
To make sure buspirone is safe for you, tell your doctor if you have any of these conditions:
- kidney disease; or
- liver disease.
Buspirone is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant during treatment.
It is not known whether buspirone passes into breast milk or if it could harm a nursing baby. Tell your doctor if you are breast-feeding a baby.
Buspirone is not approved for use by anyone younger than 18 years old.
How should I take buspirone?
Follow all directions on your prescription label. Your doctor may occasionally change your dose to make sure you get the best results. Do not take this medicine in larger or smaller amounts or for longer than recommended.
You may take buspirone with or without food but take it the same way each time.
Some buspirone tablets are scored so you can break the tablet into 2 or 3 pieces in order to take a smaller amount of the medicine at each dose. Do not use a buspirone tablet if it has not been broken correctly and the piece is too big or too small. Follow your doctor's instructions about how much of the tablet to take.
If you have switched to buspirone from another anxiety medication, you may need to slowly decrease your dose of the other medication rather than stopping suddenly. Some anxiety medications can cause withdrawal symptoms when you stop taking them suddenly after long-term use.
Buspirone can cause false positive results with certain medical tests. You may need to stop using the medicine for at least 48 hours before your test. Tell any doctor who treats you that you are using buspirone.
Store at room temperature away from moisture, heat, and light.
What happens if I miss a dose?
Take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.
What happens if I overdose?
Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.
What should I avoid while taking buspirone?
This medication may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be alert.
Drinking alcohol may increase certain side effects of buspirone.
Grapefruit and grapefruit juice may interact with buspirone and lead to unwanted side effects. Discuss the use of grapefruit products with your doctor.
What are the possible side effects of buspirone?
Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat.
Call your doctor at once if you have:
- chest pain;
- shortness of breath; or
- a light-headed feeling, like you might pass out.
Common side effects may include:
- headache;
- dizziness, drowsiness;
- sleep problems (insomnia);
- nausea, upset stomach; or
- feeling nervous or excited.
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 other drugs will affect buspirone?
Taking this medicine with other drugs that make you sleepy or slow your breathing can worsen these effects. Ask your doctor before taking buspirone with a sleeping pill, narcotic pain medicine, muscle relaxer, or medicine for anxiety, depression, or seizures.
Other drugs may interact with buspirone, including prescription and over-the-counter medicines, vitamins, and herbal products. Tell each of your health care providers about all medicines you use now and any medicine you start or stop using.
Where can I get more information?
Your pharmacist can provide more information about buspirone.
Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.
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