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Side Effects of Azelastine

Azelastine is a prescription antihistamine. The nasal spray form is used to relieve symptoms of nasal allergy such as a runny nose, sneezing, itchy nose and post-nasal drip due to conditions like:

  • Seasonal allergies
  • Perennial allergic rhinitis like sneezing and nasal pruritis and rhinorrhea among adults and children
  • Vasomotor rhinitis among adults and children

Azelastine eye drop is prescribed for the treatment of seasonal and perennial allergic conjunctivitis. Azelastine is a potent second-generation selective histamine antagonist. It is used as first-line therapy of mild recurrent, moderate/ severe recurrent, and mild persistent allergic rhinitis.  It works by blocking the natural substances known as histamines responsible for the allergic symptoms.

How to use Azelastine?

Azelastine comes in a nasal spray that is sprayed in each nostril one to two times a day. Use the medication exactly as directed. Do not use more than what is prescribed or longer than the prescribed duration. The number of sprays you take each day is based on the following:

  • Your age
  • Your weight
  • How severe is your allergy
  • You other medical condition
  • How you react to the first dose

Seasonal Allergic Rhinitis

The recommended dose is 1 to 2 sprays per nostril for adults and adolescents patients. For children 5 to 11 years of age, the recommended dose is one spray per nostril a day. For children 2 to 5 years of age, the dose is one spray per nostril each day. Azelastine is not recommended for children 2 years of age and younger.

Vasomotor Rhinitis

Adult patients 12 years of age and older with vasomotor rhinitis should spray two times per nostril a day.

What are the side effects of Azelastine?

Common side effects are:

  • Cough
  • Fever
  • Sneezing
  • Headache
  • Nosebleed
  • Skin rash
  • Sore throat
  • Drowsiness
  • Bitter taste in the mouth
  • Vomiting

Serious side effects are:

  • Severe allergic reaction
  • Trouble breathing
  • Nasal burning
  • Weight increase
  • Severe dizziness

Important Information

  • Avoid alcoholic beverages. Azelastine can cause severe dizziness when it interacts with alcohol.
  • This medication should only be used in pregnancy when clearly needed.
  • For a missed dose, use it as soon as you remember. Do not double up your dose for the missed one.
  • When spraying, keep it away from your eyes. This medicine can cause eye irritation if it gets into your eyes.
  • If in case of unwanted side effects, contact your doctor right away.
  • Do not use this medication if you are allergic to it.