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Allergies, asthma or chronic obstructive pulmonary disease (COPD)? Get answers to your questions, plus expert advice, in-store services and recommended solutions.


Allergies explained

Is it allergies? From spotting symptoms to dealing with your diagnosis, we’re here to help.

  • What are allergies?
    Allergies are an immune system response to specific substances or foods called allergens. When you have allergies, your immune system makes antibodies that signal an allergen is harmful, even when it isn’t. Your immune system’s reaction can inflame your skin, sinuses, airways, eyes, or digestive system. Allergies can be hereditary and are unique to everyone.
  • Anaphylaxis is a life-threatening severe allergic reaction. Seek immediate care if you experience any of the following common symptoms:
    • Swelling of the lips, tongue, face, or throat
    • Chest tightness, wheezing, coughing or shortness of breath
    • Dizziness and fainting
    • Flushing of the skin
    • Itching all over with hives
    • Rapid heartbeat
  • The best way to avoid allergies is to learn more about your allergies and avoid known allergensOpens PDF in a new tab. Keep a diary to track your activities, what you eat, when symptoms occur, and what seems to help manage your allergic response.

  • Symptoms of allergies vary for every individual. A variety of medications are available over the counter or by prescription only to treat and prevent these symptoms. A brief list of some common types of medications that may be used is provided here.
    • AntihistaminesOpens PDF in a new tab reduce or block the effects of histamine produced by your body during an allergic reaction.

    • Nasal decongestantsOpens PDF in a new tab provide a quick but temporary relief of sinus and nasal congestion.

    • Corticosteroids suppress allergy-related inflammation.
    • Epinephrine shots are used to treat sudden, life-threatening allergic reactions, also known as anaphylaxis or anaphylactic reactions.
    Work with your doctor to choose the most effective allergy medications and avoid problems, such as side effects or drug-drug interactions.

How can you tell the difference between
seasonal allergies and a cold?

Seasonal allergies and colds are both common and share similar symptoms,
such as a runny and stuffy nose.

ColdAllergies
Cough: UsuallyCough: Sometimes
Fever: SometimesFever: Never
Sore throat: UsuallySore throat: Rarely
Itchy eyes: RarelyItchy eyes: Usually
Aches and pains: SometimesAches and pains: Never
Runny/stuffy nose: UsuallyRunny/stuffy nose: Usually
Sneezing: UsuallySneezing: Usually

What are common allergy triggers?

A few of the most common allergy triggers include:

  • Sudden changes in weather

  • Airborne allergens

  • Foods

  • Pets

  • Insects

  • Drugs

What are common allergy symptoms?

The most common allergy symptoms include:

  • Sneezing

  • Itching of the skin, nose, eyes, or roof of the mouth

  • Runny or stuffy nose

  • Watery, red, or swollen eyes

  • Rashes

Features & articles

  • Real customer, real results
    How Walgreens allergy nasal spray helps keep runny noses from getting in the way.
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  • Stay ahead of your symptoms
    Itchy eyes? Find out how to stop allergy symptoms before they start.
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Related articles

Navigating childhood and adult asthma

Find articles, activities and recommended solutions to help you better understand asthma diagnosis and treatment.

  • What is asthma?
    Asthma is a chronic health condition that can cause the airways to become inflamed, narrow and sensitive, which can make it hard to breathe.
  • Symptoms of asthma can be mild to severe in nature. Some common symptoms of asthma include chronic coughing, wheezing, shortness of breath and chest tightness.
  • It’s important to recognize the signs and symptoms of an asthma attackOpens PDF in a new tab early before it becomes more severe.

    • Early warning signs
      • Dark circles under eyes
      • Tiredness
    • Signs of an asthma attack
      • Trouble breathing or shortness of breath
      • Tightness in chest
      • Coughing/wheezing
    • Severe signs of an asthma attack
      • Shortness of breath with difficulty walking or talking
      • Confusion
      • Blue fingernails or lips
  • Medications do not cure asthma; however, they do improve symptoms if the right medication is taken at the right time. Asthma symptoms may be treated and/or controlled with the following types of inhalers:
    • Rescue inhalers (quick relief medications)
      • What they do: Relax the tightened airway muscles to open the lungs and allow more air to flow through.
      • When to use: At the first sign of any asthma symptoms, during symptom flare ups, emergencies or before exercise.
      • Why to use: For immediate relief of symptoms and to stop asthma symptoms before they become worse.
    • Maintenance inhalers (long-term control medications)
      • What they do: Reduce swelling and mucus in the airway.
      • When to use: Every day as a controller medicine regardless of symptoms.
      • Why to use: To protect the lungs and help prevent asthma attacks.
    • Nebulizer solutions may also be considered to treat and/or control asthma. Your healthcare provider and pharmacist can help you determine an appropriate medication regimen that may work best for you.

What are asthma attack triggers?

A few of the most common triggers include:

  • Sudden changes in weather

  • Pollen

  • Dust

  • Molds

  • Pet dander

Helpful resources for childhood asthma

Helpful resources for adult asthma

Understanding COPD

Millions of Americans experience COPD symptoms. Find out how to best manage your condition from common treatments to avoiding exacerbations.

  • What is COPD?
    Chronic Obstructive Pulmonary Disease, more commonly known as COPD, refers to a group of lung diseases that restrict airflow and cause breathing related problem in patients. COPD include two lung disorders, chronic obstructive bronchitis and emphysema.
  • To diagnose COPD, your doctor will review your signs and symptoms, discuss your family and medical history, and discuss any exposure you’ve had to lung irritants. Your doctor may also order several tests to diagnose COPD, including a pulmonary (lung) function test, chest x-ray, CT scan, arterial blood gas analysis and laboratory tests.
  • Common treatments for COPD consist of:
    • Discontinuing smoking
    • Medications such as inhalers

    • Pulmonary Rehabilitation
    • Portable oxygen tanks
  • Untreated COPD can lead to a decreased ability to breathe over time, heart problems, higher susceptibility of respiratory infections, pulmonary hypertension, depression (linked to a decrease in activity), lung cancer and reduced life expectancy.

What are the symptoms of COPD?

Some of the most common symptoms of COPD:

  • Frequent coughing and/or wheezing

  • Trouble taking a deep breath

  • Phlegm or mucus buildup

  • Shortness of breath

Breathe easy

Follow our helpful demonstration videos for proper inhaler techniques.

  • How to use a metered dose inhaler (MDI)
    First time using a respiratory inhaler? We’re here to help.
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  • How to use a Diskus, Ellipta or Redihaler dry powder inhaler (DPI)
    Follow this simple video tutorial to learn how to use your new DPI.
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  • How to use a Twisthaler or Flexhaler DPI
    Get started with your DPI today with helpful how-to tips.
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  • Cómo usar un inhalador dosificador (MDI)
    ¿Es la primera vez que usas un inhalador respiratorio? Estamos aquí para ayudarte.
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  • Cómo utilizar un inhalador de polvo seco (DPI) Diskus, Ellipta o Redihaler (DPI)
    Sigue este útil vídeo de demostración para aprender a usar tu nuevo DPI.
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  • Cómo usar un Twisthaler o Flexhaler DPI
    Empieza hoy mismo con tu DPI con útiles consejos sobre cómo hacerlo.
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