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Regardless of who notices that a system or body part is not functioning normally, signs and symptoms are the body’s ways of letting a person know that not everything is running smoothly.
Find possible causes of symptoms in children and adults. See our Symptom Checker.
What it means: Signs are objective things that can be seen, like a red spot on your skin or reading on a thermometer that shows you have a fever. Symptoms are subjective and describe how you feel, which includes sensations like pain and nausea.
WebMD Symptom Checker is designed with a body map to help you understand what your medical symptoms could mean, and provide you with the trusted information you need to help make informed...
Look for emergency warning signs* for COVID 19: Trouble breathing. Persistent pain or pressure in the chest. New confusion. Inability to wake or stay awake. Depending on skin tone, lips, nail beds and skin may appear pale, gray, or blue. If someone is showing any of these signs, call 911 or call ahead to your local emergency facility.
Signs are physical forms of disease, illness, and injury. Symptoms are what the patient feels but which cannot be verified, such as feeling dizzy, tired, lazy, or having pain. Learn from GoodRx about signs and symptoms, how they are alike, and how they differ.
Signs and symptoms are diagnostic indications of an illness, injury, or condition. Signs are objective and externally observable; symptoms are a person's reported subjective experiences. [ 1 ]
Check on one or more symptoms to find possible causes. About this Symptom Checker.
Symptoms. Flu can cause mild to severe illness, and at times can lead to death. Flu symptoms usually come on suddenly. People who have flu often feel some or all of these signs and symptoms: fever* or feeling feverish/chills. cough. sore throat. runny or stuffy nose. muscle or body aches. headaches. fatigue (tiredness)
A person with smallpox goes through several stages as the disease progresses. Each stage has its own signs and symptoms. It can take 7 to 19 days after being infected before a person shows symptoms of smallpox. People with smallpox will develop a rash, which progresses to pustules and then scabs.