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Rapivab Side Effects

Generic Name: peramivir

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

For the Consumer

Applies to peramivir: intravenous solution, solution iv (infusion)

Along with its needed effects, peramivir (the active ingredient contained in Rapivab) 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 or nurse immediately if any of the following side effects occur while taking peramivir:

Less Common

  • Cloudy urine
  • fever

Incidence Not Known

  • Blistering, peeling, or loosening of the skin
  • chills
  • confusion as to time, place, or person
  • cough
  • diarrhea
  • difficulty swallowing
  • dizziness
  • fast heartbeat
  • hives, itching, skin rash
  • holding false beliefs that cannot be changed by fact
  • joint or muscle pain
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • red, irritated eyes
  • red skin lesions, often with a purple center
  • seeing, hearing, or feeling things that are not there
  • sore throat
  • sores, ulcers, or white spots in the mouth or on the lips
  • tightness in the chest
  • unusual excitement, nervousness, or restlessness
  • unusual tiredness or weakness

Some side effects of peramivir 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:

Less Common

  • Blurred vision
  • constipation
  • difficulty having a bowel movement
  • headache
  • nervousness
  • pounding in the ears
  • redness of the eardrum
  • slow or fast heartbeat
  • trouble sleeping
  • vomiting

For Healthcare Professionals

Applies to peramivir: intravenous solution


Decreased neutrophils (less than 1 x 10[9]/L) was reported in 8% of patients.[Ref]

Common (1% to 10%): Decreased neutrophils[Ref]


Vomiting was reported in 3% of pediatric patients; this side effect was not reported in adults.[Ref]

Common (1% to 10%): Diarrhea, constipation

Frequency not reported: Vomiting[Ref]


Rare (less than 0.1%): Serious skin reactions (including erythema multiforme)

Postmarketing reports: Stevens-Johnson syndrome, exfoliative dermatitis, rash[Ref]


Postmarketing reports: Anaphylactic/anaphylactoid reactions[Ref]


Common (1% to 10%): Elevated serum glucose[Ref]

Elevated serum glucose (greater than 160 mg/dL) was reported in 5% of patients.[Ref]


Elevated creatine phosphokinase (at least 6 times the upper limit of normal [6 x ULN]) was reported in 4% of patients.[Ref]

Common (1% to 10%): Elevated creatine phosphokinase[Ref]


Common (1% to 10%): Increased ALT, increased AST[Ref]

Increased ALT (greater than 2.5 x ULN) was reported in 3% of patients.[Ref]


Common (1% to 10%): Insomnia

Postmarketing reports: Delirium, abnormal behavior, hallucination[Ref]


Common (1% to 10%): Hypertension[Ref]


Frequency not reported: Proteinuria[Ref]

Proteinuria (by dipstick analysis) was reported in 3% of pediatric patients; this side effect was not reported in adults.[Ref]


Frequency not reported: Fever, tympanic membrane erythema[Ref]

Fever and tympanic membrane erythema were reported in 2% (each) of pediatric patients; these side effects were not reported in adults.[Ref]


1. "Product Information. Rapivab (peramivir)." BioCryst Pharmaceuticals Inc, Durham, NC.

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.