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Byvalson Side Effects

Generic Name: nebivolol / valsartan

Note: This page contains information about the side effects of nebivolol / valsartan. Some of the dosage forms included on this document may not apply to the brand name Byvalson.

In Summary

More frequent side effects include: increased serum potassium. See below for a comprehensive list of adverse effects.

For the Consumer

Applies to nebivolol / valsartan: oral tablet

In addition to its needed effects, some unwanted effects may be caused by nebivolol / valsartan. In the event that any of these side effects do occur, they may require medical attention.

Major Side Effects

You should check with your doctor immediately if any of these side effects occur when taking nebivolol / valsartan:

Incidence not known:
  • Abdominal or stomach pain
  • blurred vision
  • chest pain
  • confusion
  • decreased urine output
  • difficult breathing
  • dilated neck veins
  • dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
  • extreme fatigue
  • irregular breathing
  • irregular heartbeat
  • nausea or vomiting
  • nervousness
  • numbness or tingling in the hands, feet, or lips
  • sweating
  • swelling of the face, fingers, feet, or lower legs
  • tightness in the chest
  • troubled breathing
  • unusual tiredness or weakness
  • weakness or heaviness of the legs
  • weight gain

For Healthcare Professionals

Applies to nebivolol / valsartan: oral tablet


Frequency not reported: Hypotension

Postmarketing reports: Atrioventricular block (both second and third degree), myocardial infarction, Raynaud's phenomenon, peripheral ischemia/claudication

Postmarketing reports: Vasculitis[Ref]


Rare (0.01% to 0.1%): Angioedema

Postmarketing reports: Pruritus, psoriasis, various rashes, various skin disorders, urticaria, allergic vasculitis

Postmarketing reports: Angioedema, alopecia, bullous dermatitis[Ref]


Postmarketing reports: Vomiting[Ref]


Postmarketing reports: Erectile dysfunction

Postmarketing reports: Thrombocytopenia

Postmarketing reports: Thrombocytopenia[Ref]


Postmarketing reports: Abnormal hepatic function (including increased AST, ALT, and bilirubin)

Postmarketing reports: Elevated liver enzymes, hepatitis

Postmarketing reports: Angioedema[Ref]


Common (1% to 10%): Hyperkalemia

Postmarketing reports: Hyperkalemia[Ref]

Nervous system

Postmarketing reports: Somnolence, syncope, vertigo

Postmarketing reports: Acute renal failure

Postmarketing reports: Impaired renal function, renal failure[Ref]


Postmarketing reports: Acute pulmonary edema, bronchospasm[Ref]


1. "Product Information. Byvalson (nebivolol-valsartan)." Actavis Pharma, Inc., Parsippany, NJ.

Not all side effects for Byvalson may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.

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