
Influenza (flu) - Symptoms and causes - Mayo Clinic
Dec 19, 2025 · When to see a doctor Most people who get the flu can manage it at home and often don't need to see a healthcare professional. If you have flu symptoms and are at risk of complications, see …
Flu symptoms: Should I see my doctor? - Mayo Clinic
Oct 8, 2025 · Most people with the flu have a mild illness and don't need to see a healthcare professional. With some rest and self-care measures at home, the average healthy person can …
What to do if you get a respiratory infection: A Mayo Clinic physician ...
Dec 30, 2024 · Start using over-the-counter medications such as pain relievers or cough suppressants to alleviate your symptoms. Staying hydrated is essential; drink plenty of water, broth or warm tea to …
Pleurisy - Symptoms and causes - Mayo Clinic
Dec 13, 2023 · The risk of pleurisy increases if you get certain infections, such as the flu or pneumonia. Some medical conditions, such as lupus, TB and sickle cell disease also can increase your risk.
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo Clinic
Apr 30, 2025 · The most common way to develop viral gastroenteritis — often called stomach flu — is through contact with an infected person or by consuming contaminated food or water. If you're …
Pericarditis - Symptoms and causes - Mayo Clinic
Apr 9, 2024 · Stay away from people who have a viral or flu-like illness until they've recovered. If you're sick with symptoms of a viral infection, try not to expose others.
Bronchitis - Symptoms and causes - Mayo Clinic
Jul 31, 2024 · Acute bronchitis is usually caused by viruses, typically the same viruses that cause colds and flu (influenza). Many different viruses — all of which are very contagious — can cause acute …
Myocarditis - Symptoms and causes - Mayo Clinic
Jun 4, 2024 · Stay away from people with symptoms of the flu or other respiratory illness until they are better. If you're sick with symptoms of a viral infection, try to avoid passing the germs to others.
Pneumonia - Symptoms and causes - Mayo Clinic
Jun 13, 2020 · See your doctor if you have difficulty breathing, chest pain, persistent fever of 102 F (39 C) or higher, or persistent cough, especially if you're coughing up pus.
Flu shots: Especially important if you have heart disease
Aug 24, 2024 · Flu shots are safe for most people who have heart disease. The nasal spray flu vaccine, called FluMist, isn't recommended for people with heart disease or who are 50 years and older.