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Allergic Reaction

Allergic reactions occur when the immune system overreacts to a typically harmless substance (allergen), producing histamine and causing various symptoms.

Symptoms

  • Sneezing and runny nose
  • Itchy, watery eyes
  • Skin reactions: Hives, rashes, swelling
  • Difficulty breathing or wheezing
  • Nausea or vomiting

In severe cases, anaphylaxis can occur, characterized by:

  • Swelling of the throat and difficulty breathing
  • Dizziness or fainting
  • Rapid pulse
  • Severe drop in blood pressure

Treatment

Mild to Moderate Reactions

  • Antihistamines: Reduce histamine production and alleviate symptoms.
  • Nasal decongestants: Help reduce nasal congestion and related symptoms.
  • Topical treatments: Corticosteroid creams or cold compresses for skin reactions.

Severe Reactions (Anaphylaxis)

  • Epinephrine auto-injector (e.g., EpiPen): Administer immediately to open airways and raise blood pressure.
  • Emergency medical attention: Seek immediate care for severe reactions.

Prevention and Management

  • Identify and avoid triggers
  • Immunotherapy: Allergy shots or sublingual tablets to desensitize the immune system.
  • Carry emergency medication for those with severe allergies.
  • Create an allergy management plan with a healthcare provider.

Early identification of allergens and appropriate treatment can significantly improve quality of life for those with allergies.