The best remedy is to rest at home, keep warm and drink plenty of water to avoid dehydration.
You can take paracetamol or ibuprofen, to lower a high temperature and relieve aches.
You should see a doctor if you have flu-like symptoms and you:
This is because flu can be more serious for you, and your doctor may want to prescribe antiviral medication. Antiviral medicine can lessen the symptoms of flu and shorten its duration, but treatment needs to start soon after flu symptoms have begun in order to be effective. Antibiotics are of no use in the treatment of flu because it is caused by a virus and not bacteria. Read more about how to treat flu and who should see a doctor.