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  2. Common cold - Symptoms and causes - Mayo Clinic

    www.mayoclinic.org › symptoms-causes › syc-20351605
    • Overview
    • Symptoms
    • Causes
    • Risk Factors
    • Complications
    • Prevention

    The common cold is a viral infection of your nose and throat (upper respiratory tract). It's usually harmless, although it might not feel that way. Many types of viruses can cause a common cold. Children younger than 6 are at greatest risk of colds, but healthy adults can also expect to have two or three colds annually. Most people recover from a common cold in a week or 10 days. Symptoms might last longer in people who smoke. If symptoms don't improve, see your doctor.

    Symptoms of a common cold usually appear one to three days after exposure to a cold-causing virus. Signs and symptoms, which can vary from person to person, might include: 1. Runny or stuffy nose 2. Sore throat 3. Cough 4. Congestion 5. Slight body aches or a mild headache 6. Sneezing 7. Low-grade fever 8. Generally feeling unwell (malaise) The discharge from your nose may become thicker and yellow or green in color as a common cold runs its course. This isn't an indication of a bacterial infection.

    Although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. A cold virus enters your body through your mouth, eyes or nose. The virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. It also spreads by hand-to-hand contact with someone who has a cold or by sharing contaminated objects, such as utensils, towels, toys or telephones. If you touch your eyes, nose or mouth after such contact or exposure, you're likely to catch a cold.

    These factors can increase your chances of getting a cold: 1. Age.Children younger than 6 are at greatest risk of colds, especially if they spend time in child-care settings. 2. Weakened immune system.Having a chronic illness or otherwise weakened immune system increases your risk. 3. Time of year.Both children and adults are more susceptible to colds in fall and winter, but you can get a cold anytime. 4. Smoking.You're more likely to catch a cold and to have more-severe colds if you're exposed to cigarette smoke. 5. Exposure.If you're around many people, such as at school or on an airplane, you're likely to be exposed to viruses that cause colds.

    Acute ear infection (otitis media).This occurs when bacteria or viruses enter the space behind the eardrum. Typical signs and symptoms include earaches and, in some cases, a green or yellow dischar...
    Asthma.A cold can trigger an asthma attack.
    Acute sinusitis.In adults or children, a common cold that doesn't resolve can lead to inflammation and infection of the sinuses (sinusitis).
    Other secondary infections.These include strep throat (streptococcal pharyngitis), pneumonia, and croup or bronchiolitis in children. These infections need to be treated by a doctor.

    There's no vaccine for the common cold, but you can take commonsense precautions to slow the spread of cold viruses: 1. Wash your hands.Clean your hands thoroughly and often with soap and water, and teach your children the importance of hand-washing. If soap and water aren't available, use an alcohol-based hand sanitizer. 2. Disinfect your stuff.Clean kitchen and bathroom countertops with disinfectant, especially when someone in your family has a cold. Wash children's toys periodically. 3. Use tissues. Sneeze and cough into tissues. Discard used tissues right away, then wash your hands carefully. Teach children to sneeze or cough into the bend of their elbow when they don't have a tissue. That way they cover their mouths without using their hands. 4. Don't share.Don't share drinking glasses or utensils with other family members. Use your own glass or disposable cups when you or someone else is sick. Label the cup or glass with the name of the person with the cold. 5. Steer clear of...

  3. Symptoms of a Cold: Coughing, Runny Nose, No Fever, and More

    www.webmd.com › understanding-common-cold-symptoms
    • Symptoms
    • Causes
    • Prognosis
    • Diagnosis

    Symptoms of a cold can be felt about 1-4 days after catching a cold virus. They start with a burning feeling in the nose or throat, followed by sneezing, a runny nose, and a feeling of being tired and unwell. This is the period when you are most contagious -- you can pass the cold to others -- so it's best to stay home and rest. For the first few days, the nose teems with watery nasal secretions. Later, these become thicker and yellower or greener. You may get a mild cough. It won't get much worse, but it is likely to last into the second week of your illness. If you suffer from chronic bronchitis or asthma, a cold will make it worse. Usually there is no fever; in fact, fever and more severe symptoms may indicate that you have the flu rather than a cold. Cold symptoms typically last for about 3 days. At that point the worst is over, but you may feel congested for a week or more.

    Because the common cold weakens your immune system, it can increase the risk of a bacterial super infection of your sinuses, inner ear or lungs. Community acquired pneumonias can start as a common cold. If symptoms get worse, rather than better, after 3-7 days, you may have acquired a bacterial infection. These symptoms can also be caused by a cold virus other than a rhinovirus.

    Except in newborns, colds themselves are not dangerous. They usually go away in 4 to 10 days without any special medicine. Unfortunately, colds do wear down your body's resistance, making you more susceptible to bacterial infections.

    If your cold is nasty enough, seek medical attention. Your doctor likely will examine your throat, lungs, and ears. If your doctor suspects strep throat, he will take a culture and determine if you have an infection and may need antibiotics. If he suspects pneumonia, you will need a chest X-ray.

  4. Normal Common Cold Symptoms: Sore Throat, Cough, and More

    www.webmd.com › cold-guide › common_-cold-symptoms

    There are similarities to all three, but a few telltale signs can help you tell them apart. The Start of a Cold It usually begins with a sore throat, and before you know it, you've also got these...

  5. Common Cold: 4 Stages and Timeline of Symptom Progression

    www.medicinenet.com › common_cold_stages_and

    Nov 18, 2020 · Typical cold symptoms include a sore throat, sneezing, cough, a stuffy nose, a runny nose (clear, watery discharge from the nose), feeling sick, headache, body ache and fever. Fever is more commonly seen in children. Stage 3 (stage of remission): This stage is marked by a decline and eventual fading of cold symptoms.

  6. Common Cold Symptoms: Sneezing, Fever, Aches and More

    www.healthline.com › health › common-cold-symptoms

    May 30, 2018 · A runny nose or nasal congestion (stuffy nose) are two of the most common symptoms of a cold. These symptoms result when excess fluid causes blood vessels and mucous membranes within the nose to...

  7. Common Cold: Symptoms, Remedies, Treatment, and More

    www.healthline.com › health › cold-flu

    Nov 04, 2016 · Cold symptoms typically take a few days to appear. The symptoms of a cold rarely appear suddenly. Knowing the difference between cold and flu symptoms can help you decide how to treat your ...

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