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

Applies to pindolol: oral tablet.

Serious side effects of Visken

Along with its needed effects, pindolol (the active ingredient contained in Visken) 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 pindolol:

More common

• Swelling of the face, fingers, feet, or lower legs

Less common

• Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
• chest pain
• difficult or labored breathing
• shortness of breath
• tightness in chest
• wheezing

Rare

• Decreased urine output
• dilated neck veins
• extreme fatigue
• fast, irregular, pounding, or racing heartbeat or pulse
• irregular breathing
• seeing, hearing, or feeling things that are not there
• troubled breathing
• weight gain

Get emergency help immediately if any of the following symptoms of overdose occur while taking pindolol:

Symptoms of overdose

• Blurred vision
• dizziness
• headache
• nervousness
• pounding in the ears
• slow heartbeat

Other side effects of Visken

Some side effects of pindolol 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

• Joint pain
• muscle pain
• sleeplessness
• trouble sleeping
• unable to sleep
• unusual tiredness or weakness

Less common

• Itching skin
• muscle cramps
• nausea
• stomach soreness or discomfort
• unusual dreams
• weakness

Rare

• Rash

For Healthcare Professionals

Applies to pindolol: compounding powder, oral tablet.

Cardiovascular

Common (1% to 10%): Edema

Uncommon (0.1% to 1%): Heart failure, palpitations

Frequency not reported: Bradycardia, slowed AV-conduction or increase of an existing AV-block, hypotension, heart failure, cold and cyanotic extremities, Raynaud's phenomenon, increase in intermittent claudication, conduction disorder, cardiac arrhythmia^[Ref]

Endocrine

Frequency not reported: Hypoglycemia^[Ref]

Gastrointestinal

Common (1% to 10%): Nausea, abdominal discomfort

Frequency not reported: Vomiting, diarrhea^[Ref]

Genitourinary

Uncommon (0.1% to 1%): Male impotence^[Ref]

Musculoskeletal

Very common (10% or more): Muscle pain (10%)

Common (1% to 10%): Chest pain, joint pain, muscle cramps^[Ref]

Nervous system

Very common (10% or more): Dizziness (up to 11%)

Common (1% to 10%): Paresthesia

Frequency not reported: Headache

Postmarketing reports: Tremor^[Ref]

Respiratory

Common (1% to 10%): Dyspnea

Postmarketing reports: Bronchospasm^[Ref]

Dermatologic

Common (1% to 10%): Pruritus

Uncommon (0.1% to 1%): Rash

Frequency not reported: Hyperhidrosis, worsening of psoriasis, erythematous rashes^[Ref]

Ocular

Frequency not reported: Impaired vision, dry eyes, keratitis, conjunctivitis^[Ref]

Other

Common (1% to 10%): Fatigue, weakness^[Ref]

Psychiatric

Very common (10% or more): Insomnia (10%)

Common (1% to 10%): Nightmares

Uncommon (0.1% to 1%): Hallucinations

Frequency not reported: Psychosis, confusion, sleep disturbance, depression^[Ref]