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What is Allergy?

Allergies occur when the immune system identifies a substance producing an allergic reaction that does not provoke a reaction in other people. The immune system produces substances called antibodies that detect when a substance or allergen may be harmful by producing inflammation. The most common allergies are hay fever, eczema, food and drug allergies.



Allergies, stemming from an overactive immune response, manifest as reactions to common substances like pollen, pet dander, foods, and insect stings. Both genetic factors and environmental exposures contribute to susceptibility, resulting in a spectrum of symptoms ranging from mild discomfort to severe manifestations, emphasizing the diverse nature of allergic responses

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Allergy causes
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The best way to prevent is to avoid direct contact with allergy-causing substances such as dust, pollen, dander or pet hairs, food or medications.

Signs and Symptoms

Chronic allergies often present symptoms that can develop into asthma, anaphylactic shock to life-threatening consequences; in some cases the symptoms can be mild to moderate.

  • Sneezing
  • Itching of the eyes, skin, nose or throat
  • Nasal or sinus congestion
  • Eye inflammation
  • Hives
  • Allergic cough


Treatment depends on the severity of symptoms and the type of allergy.

  • Cetirizine: Antihistamine
  • Singulair: Leukotriene receptor antagonists
  • Flonase: Corticosteroid
  • Azelastine: Antihistamine
  • Prednisone: Corticosteroid

Allergy treatments

How it  Works   

Step 1

Answer a 5-minute online questionnaire

Have you been exposed to multiple STD’s or you are not sure of which STD to get treated for?

Our doctors can prescribe a combination treatment plan to target the infection for multiple STDs in this situation. Just follow the link to choose a combination treatment. The cost for this treatment is $69.99

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24hrdoc is not a pharmacy. We do not carry or ship medicines. Online Doctor Prescriptions are sent electronically to your pharmacy after an online medical consultation.
Similar to a doctor's office, our consultation fee does not include the cost of your medication.

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