Influenza virus vaccine, h1n1, inactivated Side Effects
Not all side effects for influenza virus vaccine, h1n1, inactivated may be reported. You should always consult a doctor or healthcare professional for medical advice. Side effects can be reported to the FDA here.
For the Consumer
Applies to influenza virus vaccine, h1n1, inactivated: parenteral injectable suspension for im use
Side effects include:
Only limited data available to date regarding adverse effects of parenteral inactivated influenza A (H1N1) 2009 monovalent vaccine. (See Ongoing Safety Review under Cautions.) Adverse effects expected to be similar to those reported with seasonal parenteral trivalent inactivated influenza vaccine. Most common adverse effects reported with seasonal parenteral inactivated influenza vaccine are injection site reactions (i.e., tenderness, pain, redness, swelling), hypersensitivity reactions (e.g., rash), influenza-like symptoms, headache, fatigue, myalgia, fever, malaise.
Data to date indicate the most common solicited adverse effects in healthy adults 18–64 years of age who received a single dose of parenteral inactivated influenza A (H1N1) 2009 vaccine were tenderness at the injection site (36.7%), pain at the injection site (21.7%), headache (31.3%), malaise (17.5%), and myalgia (17.1%).
For Healthcare Professionals
Applies to influenza virus vaccine, h1n1, inactivated: intramuscular suspension
Gastrointestinal side effects have included diarrhea and nausea.
General side effects have included malaise and fatigue.
Local side effects have included pain, erythema, ecchymosis, induration, and swelling.
Musculoskeletal side effects have included myalgia.
Nervous system side effects have included headache. Neurological disorders temporally associated with influenza vaccination such as encephalopathy, optic neuritis/neuropathy, partial facial paralysis, and brachial plexus neuropathy have been reported.
Respiratory side effects have included nasopharyngitis, upper respiratory infection, nasal congestion, and pharyngolaryngeal pain.
Hypersensitivity side effects have included hives, angioedema, allergic asthma, and systemic anaphylaxis.
More about influenza virus vaccine, h1n1, inactivated
Related treatment guides
Disclaimer: Every effort has been made to ensure that the information provided is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. This information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill , knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate safety, effectiveness, or appropriateness for any given patient. Drugs.com does not assume any responsibility for any aspect of healthcare administered with the aid of materials provided. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the substances you are taking, check with your doctor, nurse, or pharmacist.