BuSpar Side Effects
Generic name: buspirone
Note: This document contains side effect information about buspirone. Some of the dosage forms listed on this page may not apply to the brand name BuSpar.
Some side effects of BuSpar may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA.
For the Consumer
Applies to buspirone: oral tablet
Along with its needed effects, buspirone (the active ingredient contained in BuSpar) may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.
Check with your doctor immediately if any of the following side effects occur while taking buspirone:Rare
- Chest pain
- fast or pounding heartbeat
- mental depression
- muscle weakness
- numbness, tingling, pain, or weakness in the hands or feet
- skin rash or hives
- sore throat
- stiffness of the arms or legs
- uncontrolled movements of the body
Get emergency help immediately if any of the following symptoms of overdose occur while taking buspirone:Symptoms of overdose
- Dizziness or lightheadedness especially when getting up from a sitting or lying position suddenly
- drowsiness (severe)
- loss of consciousness
- nausea or vomiting
- stomach upset
- very small pupils of the eyes
Some side effects of buspirone may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:More common
- Restlessness, nervousness, or unusual excitement
- Blurred vision
- clamminess or sweating
- decreased concentration
- dryness of the mouth
- muscle pain, spasms, cramps, or stiffness
- ringing in the ears
- trouble with sleeping, nightmares, or vivid dreams
- unusual tiredness or weakness
For Healthcare Professionals
Applies to buspirone: compounding powder, oral tablet
There is currently no evidence for withdrawal, dependence or rebound anxiety after discontinuation of buspirone (the active ingredient contained in BuSpar)
Nervous system side effects have occurred and include dizziness, drowsiness and headache in about 10% of patients. Movement disorders such as myoclonus, oral dyskinesia, dystonia, and akathisia have been reported rarely. Extrapyramidal side effects, cogwheel rigidity, ataxia, emotional lability, serotonin syndrome, recall difficulty, parkinsonism, restlessness, and restless leg syndrome have been reported in postmarketing experience.
Gastrointestinal side effects including nausea have occurred in up to 11% of patients. Constipation, diarrhea and vomiting have also been reported.
Psychiatric side effects including mania, hypomania, vivid dreams, delirium, panic attack, and psychosis have been reported rarely. Dysphoria has been reported with long-term administration.
Genitourinary side effects such as priapism and urinary retention have been reported rarely.
Cardiovascular side effects following acute administration of buspirone (the active ingredient contained in BuSpar) have included transient, non-pathologic changes in blood pressure in male psychiatric patients. Effects on blood pressure (either increases or decreases) appear to be associated with the diagnosis.
Endocrine side effects have included elevations in plasma prolactin and cortisol.
An increase in appetite in some patients has been reported.
More BuSpar resources
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This information does not endorse drugs, diagnose patients, or recommend therapy. This drug information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or drug combination in no way should be construed to indicate that the drug or drug combination is safe, effective, or appropriate for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of information provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse, or pharmacist.