Written & medically reviewed by Dr. Sanjay Anbu, MBBS· Last reviewed
Swine flu is an infection with the H1N1 strain of the influenza virus. For most people it behaves like ordinary flu, but it can be more serious in young children, pregnant women, the elderly and those with other illnesses.
Antiviral medicine (e.g. oseltamivir) for high-risk people or severe illness, started early
Isolating to avoid spreading it to others
Yearly flu vaccination for prevention
Hospital care if breathing becomes difficult
When to see a doctor urgently
Difficulty breathing or chest pain
Bluish lips, confusion or persistent high fever
Symptoms in a pregnant woman, infant or elderly person
Not improving after a few days or suddenly getting worse
Not a diagnosis. MedDroid gives general educational information about swine flu (h1n1 influenza). It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
How is swine flu different from ordinary flu?
Swine flu is caused by the specific H1N1 strain. The illness feels much like seasonal flu, and the same precautions and treatment apply, but certain groups are at higher risk of complications.
Is there a vaccine for swine flu?
Yes — the seasonal flu vaccine includes protection against H1N1. Yearly vaccination is the best prevention, especially for high-risk groups.
When should antivirals be used?
Antivirals work best when started early and are usually reserved for high-risk people or those with severe illness, on a doctor’s advice.
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.