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Influenza (flu) - Symptoms and causes - Mayo Clinic
Jan 28, 2025 · Symptoms of the flu such as a sore throat and a runny or stuffy nose are common. You may also get these symptoms with other illness such as a cold. But colds tend to start slowly, and the flu tends to come on quickly, within two or three days …
Viral gastroenteritis (stomach flu) - Symptoms & causes - Mayo …
Jan 18, 2022 · Viral gastroenteritis is an intestinal infection that includes signs and symptoms such as watery diarrhea, stomach cramps, nausea or vomiting, and sometimes fever. 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.
H1N1 flu (swine flu) - Symptoms and causes - Mayo Clinic
Mar 23, 2023 · Symptoms. The symptoms of flu caused by H1N1, commonly called the swine flu, are similar to those of other flu viruses. Symptoms usually start quickly and can include: Fever, but not always. Aching muscles. Chills and sweats. Cough. Sore throat. Runny or stuffy nose. Watery, red eyes. Eye pain. Body aches. Headache. Tiredness and weakness ...
Bird flu (avian influenza) - Symptoms and causes - Mayo Clinic
Jun 8, 2024 · Bird flu symptoms can be mild to serious in a person. Symptoms typically show up within seven days of contact with the virus but can take as long as two weeks. A person can get infected from direct contact with an infected animal, or the bedding or stool of the animal.
Flu symptoms: Should I see my doctor? - Mayo Clinic
Unlike a cold, the flu tends to come on suddenly and makes you feel much worse than a cold. Common symptoms of the flu often include a fever but not always, as well as headache, aching muscles, and chills and sweats.
Severe acute respiratory syndrome (SARS) - Symptoms & causes
Oct 8, 2021 · SARS usually begins with flu-like signs and symptoms — fever, chills, muscle aches, headache and occasionally diarrhea. After about a week, signs and symptoms include: Fever of 100.5 F (38 C) or higher; Dry cough; Shortness of breath
COVID-19, cold, allergies and the flu: What are the differences?
Nov 27, 2024 · COVID-19 and the flu cause many of the same symptoms, but there are some differences. The diseases also can cause no symptoms or cause mild or severe symptoms. Because the symptoms can overlap, testing may be done to see if you have COVID-19 or the flu.
Pneumonia - Symptoms and causes - Mayo Clinic
Jun 13, 2020 · The signs and symptoms of pneumonia vary from mild to severe, depending on factors such as the type of germ causing the infection, and your age and overall health. Mild signs and symptoms often are similar to those of a cold or flu, but they last longer.
Valley fever - Symptoms & causes - Mayo Clinic
Mar 21, 2023 · The initial, or acute, form of coccidioidomycosis is often mild, with few or no symptoms. Signs and symptoms occur one to three weeks after exposure. They tend to be similar to flu symptoms. Symptoms can range from minor to severe, including: Fever; Cough; Tiredness; Shortness of breath; Headache; Chills; Night sweats; Joint aches and muscle ...
Norovirus infection - Symptoms & causes - Mayo Clinic
Mar 4, 2022 · Signs and symptoms of norovirus infection may start suddenly and include: Nausea; Vomiting; Stomach pain or cramps; Watery or loose diarrhea; Feeling ill; Low-grade fever; Muscle pain; Signs and symptoms usually begin 12 to 48 hours after your first exposure to a norovirus and last 1 to 3 days.