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Vanspar Side Effects

Generic name: buspirone

Medically reviewed by Drugs.com. Last updated on May 23, 2022.

Note: This document contains side effect information about buspirone. Some dosage forms listed on this page may not apply to the brand name Vanspar.

Applies to buspirone: oral tablets.

Side effects include:

Dizziness, nausea, headache, nervousness, drowsiness, light-headedness, excitement.

For Healthcare Professionals

Applies to buspirone: compounding powder, oral tablet.

Nervous system

Very common (10% or more): Dizziness (12%), drowsiness (10%)

Common (1% to 10%): Lightheadedness, decreased concentration, numbness, paresthesia, incoordination, headache, tremor, syncope, seizures

Rare (less than 0.1%): Cerebrovascular accident

Very rare (less than 0.01%): Serotonin syndrome, amnesia, cogwheel rigidity, dystonia/dystonic reactions, dyskinesias (acute and tardive), ataxias, parkinsonism, akathisia, restless leg syndrome

Postmarketing reports: Vertigo, extrapyramidal symptoms, transient difficulty with recall[Ref]

Cardiovascular

Common (1% to 10%): Tachycardia/palpitations, chest pain

Uncommon (0.1% to 1%): Hypotension, hypertension

Rare (less than 0.1%): Congestive heart failure, myocardial infarction, cardiomyopathy, bradycardia[Ref]

Dermatologic

Common (1% to 10%): Rash, sweating/clamminess

Uncommon (0.1% to 1%): Pruritus, flushing, easy bruising, hair loss, dry skin, facial edema, blisters

Rare (less than 0.1%): Acne, thinning of nails, ecchymosis, urticaria[Ref]

Gastrointestinal

Common (1% to 10%): Nausea, dry mouth, abdominal/gastric distress, diarrhea, constipation, vomiting

Uncommon (0.1% to 1%): Flatulence, anorexia, increased appetite, salivation, irritable colon, rectal bleeding

Rare (less than 0.1%): Burning of the tongue[Ref]

Musculoskeletal

Common (1% to 10%): Musculoskeletal aches/pains

Uncommon (0.1% to 1%): Muscle cramps, muscle spasms, rigid/stiff muscles, arthralgias

Rare (less than 0.1%): Muscle weakness[Ref]

Ocular

Common (1% to 10%): Blurred vision

Uncommon (0.1% to 1%): Eye redness and itching, conjunctivitis, eye pain, eye pressure, photophobia

Very rare (less than 0.01%): Visual changes (including tunnel vision)[Ref]

Other

Common (1% to 10%): Fatigue, weakness, tinnitus, sore throat

Uncommon (0.1% to 1%): Altered taste, altered smell, inner ear abnormality, edema, fever, roaring sensation in the head, malaise

Rare (less than 0.1%): Alcohol abuse, loss of voice, hiccoughs[Ref]

Psychiatric

Common (1% to 10%): Insomnia, nervousness, excitement, anger/hostility, confusion, depression, dream disturbances, attention disturbance, sleep disorder

Uncommon (0.1% to 1%): Depersonalization, dysphoria, noise intolerance, euphoria, akathisia, fearfulness, loss of interest, dissociative reaction, hallucinations, involuntary movements, slowed reaction time, suicidal ideation, decreased or increased libido

Rare (less than 0.1%): Claustrophobia, cold intolerance, stupor, slurred speech, psychosis, delayed ejaculation, impotence

Very rare (less than 0.01%): Depersonalization

Postmarketing reports: Emotional lability, restlessness[Ref]

Respiratory

Common (1% to 10%): Nasal congestion, pharyngolaryngeal pain

Uncommon (0.1% to 1%): Hyperventilation, shortness of breath, chest congestion

Rare (less than 0.1%): Epistaxis[Ref]

Genitourinary

Uncommon (0.1% to 1%): Urinary frequency, urinary hesitancy, menstrual irregularity and spotting, dysuria

Rare (less than 0.1%): Amenorrhea, pelvic inflammatory disease, enuresis, nocturia

Very rare (less than 0.01%): Urinary retention[Ref]

Hepatic

Uncommon (0.1% to 1%): Increases in hepatic aminotransferases (SGOT, SGPT)[Ref]

Metabolic

Uncommon (0.1% to 1%): Weight gain, weight loss[Ref]

Endocrine

Rare (less than 0.1%): Galactorrhea, thyroid abnormality[Ref]

Hematologic

Rare (less than 0.1%): Eisonophilia, leukopenia, thrombocytopenia, bleeding disturbance[Ref]

Hypersensitivity

Postmarketing reports: Allergic reactions, angioedema[Ref]

References

1. "Product Information. Buspar (buspirone)." Bristol-Myers Squibb (2002):

2. Cerner Multum, Inc. "UK Summary of Product Characteristics." O 0

3. Cerner Multum, Inc. "Australian Product Information." O 0

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

Some side effects may not be reported. You may report them to the FDA.