BuSpar Side Effects

BuSpar Side Effects
BuSpar Side Effects

For the Consumer
Applies to buspirone: dental tablet

In addition to its needed results, some unwanted side effects may be triggered by buspirone (the active component within BuSpar). When any of these side results do occur, they may require medical assistance.


You should consult with your doctor immediately if any of these side effects arise when taking buspirone:

  • Rare
  • Chest pain
  • confusion
  • fast or pounding heartbeat
  • fever
  • incoordination
  • 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 motions of your body
  • If any of the pursuing symptoms of overdose appear while taking buspirone, get emergency help immediately:

Symptoms of overdose:

  • Dizziness or lightheadedness particularly when getting up from a sitting or laying position suddenly
  • drowsiness (severe)
  • lack of consciousness
  • nausea or vomiting
  • stomach upset
  • really small pupils of the eyes

Minor Side Effects

Some of the side effects that can occur with buspirone may not need medical assistance. As your body adjusts to the drugs during treatment these side effects may disappear completely. Your health attention professional may also be able to inform you of ways to reduce or prevent many of these side effects. If the following side results continue, are bothersome or if you have any questions about them, check with your healthcare professional:

More common:

  • Restlessness, nervousness, or unconventional excitement
  • Less common or rare:
  • Blurred vision
  • clamminess or sweating
  • decreased concentration
  • diarrhea
  • drowsiness
  • dryness of the mouth
  • muscle pain, spasms, cramps, or stiffness
  • tinnitus
  • trouble with sleeping, nightmares, or vibrant dreams
  • unusual tiredness or weakness
  • For Medical Professionals
  • Applies to buspirone: compounding powder, oral tablet

Nervous system
Very common (10% or even more): Dizziness (12%), drowsiness (10%)
Common (1% to 10%): Lightheadedness, decreased concentration, numbness, paresthesia, incoordination, headaches, tremor, syncope, seizures
Rare (significantly less than 0.1%): Cerebrovascular accident
Very rare (significantly less than 0.01%): Serotonin syndrome, amnesia, cogwheel rigidity, dystonia/dystonic reactions, dyskinesias (acute and tardive), ataxias, parkinsonism, akathisia, restless calf syndrome
Postmarketing accounts: Vertigo, extrapyramidal symptoms, transient difficulty with recall


Common (1% to 10%): Tachycardia/palpitations, torso pain
Unusual (0.1% to 1%): Hypotension, hypertension
Rare (less than 0.1%): Congestive center failure, myocardial infarction, cardiomyopathy, bradycardia

Common (1% to 10%): Rash, sweating/clamminess
Unusual (0.1% to 1%): Pruritus, flushing, easy bruising, hair loss, dry skin, cosmetic edema, blisters
Rare (significantly less than 0.1%): Acne, thinning of toenails, ecchymosis, urticaria

Common (1% to 10%): Nausea, dried mouth, abdominal/gastric stress, diarrhea, constipation, vomiting
Unusual (0.1% to 1%): Flatulence, anorexia, increased cravings, salivation, irritable digestive tract, rectal bleeding
Rare (less than 0.1%): Getting rid of of the tongue


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


Common (1% to 10%): Blurry vision
Uncommon (0.1% to 1%): Eyeball redness and irritation, conjunctivitis, eye pain, eyeball pressure, photophobia
Very exceptional (less than 0.01%): Visual changes (including tunnel eye-sight)


Common (1% to 10%): Fatigue, weakness, ear noise, sore throat
Unusual (0.1% to 1%): Changed taste, changed smell, inner hearing abnormality, edema, fever, roaring feeling in the top, malaise
Rare (significantly less than 0.1%): Alcohol abuse, loss of voice, hiccoughs


Common (1% to 10%): Sleep problems, nervousness, excitement, anger/hostility, confusion, major depression, dream disturbances, attention disturbance, sleep disorder
Unusual (0.1% to 1%): Depersonalization, dysphoria, noises intolerance, euphoria, akathisia, fearfulness, lack of interest, dissociative response, hallucinations, involuntary motions, slowed effect time, suicidal ideation, reduced or increased libido
Rare (less than 0.1%): Claustrophobia, frosty intolerance, stupor, slurred speech, psychosis, delayed ejaculation, impotence
Very uncommon (significantly less than 0.01%): Depersonalization
Postmarketing reviews: Emotional lability, restlessness


Common (1% to 10%): Nasal congestion, pharyngolaryngeal pain
Uncommon (0.1% to 1%): Hyperventilation, shortness of breathing, chest congestion
Rare (less than 0.1%): Epistaxis


Unusual (0.1% to 1%): Urinary consistency, urinary hesitancy, menstrual irregularity and spotting, dysuria
Rare (significantly less than 0.1%): Amenorrhea, pelvic inflammatory disease, enuresis, nocturia
Very exceptional (significantly less than 0.01%): Urinary retention


Uncommon (0.1% to 1%): Raises in hepatic aminotransferases (SGOT, SGPT)


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


Rare (significantly less than 0.1%): Galactorrhea, thyroid abnormality


Rare (significantly less than 0.1%): Eisonophilia, leukopenia, thrombocytopenia, bleeding disturbance


Postmarketing information: Allergic reactions, angioedema

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