Diseases
influenza a
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Overview
Influenza A virus causes influenza in birds and some mammals, and is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. Strains of all subtypes of influenza A virus have been isolated from wild birds, although disease is uncommon
Symptoms
- shortness of breath
- headache
- aching muscles
- chills and sweats
- dry, persistent cough
Causes
- influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks.
Risk factors
- weakened immune system
- living or working conditions.
- chronic illnesses.
Diagnosis
- blood test.
- physical exam.
- signs and symptoms.
- esr test
Medicines used
Frequently asked questions
What is influenza a?
Influenza A virus causes influenza in birds and some mammals, and is the only species of the genus Alphainfluenzavirus of the virus family Orthomyxoviridae. Strains of all subtypes of influenza A virus have been isolated from wild birds, although disease is uncommon
What are the symptoms of influenza a?
shortness of breath, headache, aching muscles, chills and sweats, dry, persistent cough
What causes influenza a?
influenza viruses travel through the air in droplets when someone with the infection coughs, sneezes or talks.
Which medicines are used for influenza a?
amantadine, favipiravir, oseltamivir, rimantadine
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.