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  • Asthma - Symptoms and causes - Mayo Clinic
    Causes It isn't clear why some people get asthma and others don't, but it's probably due to a combination of environmental and inherited (genetic) factors Asthma triggers Exposure to various irritants and substances that trigger allergies (allergens) can trigger signs and symptoms of asthma Asthma triggers are different from person to person and can include: Airborne allergens, such as
  • Asthma attack - Symptoms and causes - Mayo Clinic
    Overview An asthma attack is a sudden worsening of asthma symptoms Asthma is a long-term condition that makes breathing difficult because airways in the lungs become narrow Symptoms of asthma attack include coughing, wheezing, tightness in the chest and difficulty getting enough air
  • Childhood asthma - Symptoms causes - Mayo Clinic
    Risk factors Factors that might increase a child's chance of developing asthma include: Exposure to tobacco smoke, including before birth Previous allergic reactions, including skin reactions, food allergies or hay fever, also called allergic rhinitis A family history of asthma or allergies Early childhood airway infections
  • Occupational asthma - Symptoms and causes - Mayo Clinic
    Avoiding triggers is important for managing occupational asthma Treatment includes medicines that reduce symptoms For people who were diagnosed with asthma in the past, medicines may help improve symptoms related to workplace triggers If occupational asthma is not treated and triggers are not avoided, the asthma can cause permanent changes to the lungs
  • Eosinophilic esophagitis - Symptoms and causes - Mayo Clinic
    However, studies now suggest that the disease is becoming increasingly common, parallel to the increase in asthma and allergies Risk factors The following risk factors are associated with eosinophilic esophagitis: Climate
  • COPD - Symptoms and causes - Mayo Clinic
    Risk factors Risk factors for COPD include: Tobacco smoke The biggest risk factor for COPD is long-term cigarette smoking The more years you smoke and the more packs you smoke, the greater your risk Pipe, cigar and marijuana smoking also may raise your risk People who breathe in large amounts of secondhand smoke are at risk of COPD too Asthma
  • Mayo Clinic Minute: Signs and symptoms of asthma
    Asthma symptoms may flare up due to a number of triggers It's not clear why some people are affected and some are not And there may be some hereditary and environmental factors that may increase a person's risk for developing asthma Risk factors for asthma may include: Hereditary - having a family member with asthma Allergies such as hay
  • Bronchiolitis - Symptoms and causes - Mayo Clinic
    This is especially important if your child is younger than 12 weeks old or has other risk factors for bronchiolitis — for example, being born too early, also called premature, or having a heart condition Get medical attention right away if your child has any of these symptoms: Has blue or gray skin, lips and fingernails due to low oxygen levels
  • Dust mite allergy - Symptoms causes - Mayo Clinic
    Risk factors The following can increase the risk of having a dust mite allergy: Having a family history of allergies Having several family members who have allergies increases the risk Being around dust mites Having a lot of dust mites around, especially early in life, increases the risk Being a child or a young adult
  • Allergies - Symptoms and causes - Mayo Clinic
    Risk factors Risk factors for allergies include: Having a family history of asthma or allergies, such as hay fever, hives or eczema Being a child Having asthma or another allergic condition Complications Having an allergy raises the risk of certain other health conditions called complications, including: Anaphylaxis





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