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Flulaval

Generic Name: influenza virus vaccine (injection) (in floo ENZ a VYE rus VAK seen)
Brand Names: FluLaval
FluLaval is an injection used to immunize adults against influenza. Learn about side effects, interactions and indications.
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Drug Information:
FluLaval is a brand of influenza virus vaccine (injectable). FluLaval (influenza virus vaccine) is used to prevent infection caused by influenza virus. The vaccine is redeveloped each year to contain specific strains of inactivated (killed) flu virus that are recommended by public health officials for that year. Influenza virus (commonly known as "the flu") is a serious disease caused by a virus. Influenza virus can spread from one person to another through small droplets of saliva that are expelled into the air when an infected person coughs or sneezes. The virus can also be passed through contact with objects the infected person has touched, such as a door handle or other surfaces. Learn more

Flulaval Side Effects

FluLaval Side Effects

Note: This document contains side effect information about influenza virus vaccine, inactivated. Some of the dosage forms listed on this page may not apply to the brand name FluLaval.

For the Consumer

Applies to influenza virus vaccine, inactivated: intramuscular solution

Other dosage forms:

  • suspension

Along with its needed effects, influenza virus vaccine, inactivated (the active ingredient contained in FluLaval) 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 influenza virus vaccine, inactivated:

Incidence not known

  • Cough
  • difficulty with swallowing
  • dizziness
  • fast heartbeat
  • hives, itching, or skin rash
  • puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
  • tightness in the chest
  • unusual tiredness or weakness

Some side effects of influenza virus vaccine, inactivated 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

  • Difficulty with moving
  • headache
  • joint pain
  • muscle aching or cramping
  • muscle pains or stiffness
  • nausea
  • pain at the injection site
  • swollen joints

Less common

  • Chills
  • redness, bruising, or swelling at the injection site

For Healthcare Professionals

Applies to influenza virus vaccine, inactivated: intradermal suspension, intramuscular solution, intramuscular suspension, nasal spray

General

The most common adverse events were local reactions, myalgia, and headache.

Local

Very common (10% or more): Tenderness (89%), erythema/redness (76.4%), pain (73.8%), induration (58.4%), swelling (56.8%), injection-site pruritus (46.9%), itching (28%), bruising (18%), injection-site ecchymosis (14.9%), mass (11%)

Common (1% to 10%): Reaction, hemorrhage

Postmarketing reports: Cellulitis, injection site inflammation, injection site sterile abscess

Other

Very common (10% or more): Crying abnormal (41.2%), malaise (38%), fever (16%)

Common (1% to 10%): Chest tightness

Rare (less than 0.1%): Death

Postmarketing reports: Hot flashes/flushes

Musculoskeletal

Very common (10% or more): Myalgia (40%)

Common (1% to 10%): Chills/shivering, back pain

Postmarketing reports: Muscle weakness, arthritis, arthralgia, myasthenia

Nervous system

Very common (10% or more): Headache (40%), drowsiness (37.7%), lethargy (14%)

Common (1% to 10%): Migraine

Postmarketing reports: Neuralgia, paresthesia, convulsions (including febrile seizures), encephalopathy, neuritis or neuropathy, transverse myelitis, Guillain-Barre syndrome, abnormal gait, dizziness, hypoesthesia, hypokinesia, tremor, somnolence, syncope, facial or cranial nerve paralysis, encephalopathy, limb paralysis, confusion, paralysis (including Bell's Palsy), vertigo, exacerbation of symptoms of mitochondrial encephalomyopathy (Leigh syndrome), meningitis, eosinophilic meningitis, vaccine-associated encephalitis

Respiratory

Very common (10% or more): Runny nose/nasal congestion (58%), cough (15%), upper respiratory tract infection (13%)

Common (1% to 10%): Sore throat, cough, oropharyngeal pain, rhinorrhea, wheezing, pharyngolaryngeal pain, nasopharyngitis

Postmarketing reports: Rhinitis, laryngitis, dyspnea, dysphonia, bronchospasm, throat tightness, pharyngitis, epistaxis

Gastrointestinal

Very common (10% or more): Vomiting (15%), nausea (14.9%) diarrhea (13%)

Postmarketing reports: Dysphagia, abdominal pain, swelling of the mouth, throat, and/or tongue

Metabolic

Very common (10% or more): Loss of appetite (33.3%), decreased appetite (21%)

Psychiatric

Very common (10% or more): Irritability (54%)

Postmarketing reports: Insomnia

Hypersensitivity

Postmarketing reports: Allergic reactions including anaphylactic shock, serum sickness, and death; Stevens-Johnson syndrome

Immunologic

Common (1% to 10%): Infection, influenza-like illness

Postmarketing reports: Cellulitis

Dermatologic

Common (1% to 10%): Facial swelling

Postmarketing reports: Pruritus, urticaria, rash, angioedema, sweating, flushing, pallor, rash, erythema multiforme

Ocular

Common (1% to 10%): Reddened eyes

Postmarketing reports: Eye pain, photophobia, conjunctivitis, eye irritation, eye swelling, eyelid swelling, ocular hyperemia

Hematologic

Postmarketing reports: Transient thrombocytopenia, lymphadenopathy

Cardiovascular

Frequency not reported: Pleuropericarditis with effusions

Postmarketing reports: Tachycardia, pericarditis, vasculitis, vasodilation/flushing

Renal

Postmarketing reports: Vasculitis with transient renal involvement

Genitourinary

Common (1% to 10%): Dysmenorrhea

Editorial References and Review

Medically reviewed by BestRx Medical Team Last updated on 1/1/2020.

Source: Drugs.com Flulaval