What is a Generic Drug?

A generic drug is a copy of the brand-name drug with the same dosage, safety, strength, quality, consumption method, performance, and intended use. Before generics become available on the market, the generic company must prove it has the same active ingredients as the brand-name drug and works in the same way and in the same amount of time in the body.

The only differences between generics and their brand-name counterparts is that generics are less expensive and may look slightly different (eg. different shape or color), as trademarks laws prevent a generic from looking exactly like the brand-name drug.

Generics are less expensive because generic manufacturers don't have to invest large sums of money to develop a drug. When the brand-name patent expires, generic companies can manufacture a copy of the brand-name and sell it at a substantial discount.

Astelin (Azelastine)

Also Known as Rhinolast


Astelin (Azelastine)

Prescription Required

137mcg 140 doses 22ml

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Generic Equivalent - Astelin (Azelastine)

Prescription Required

140mcg/dose (70 dose)

You'll have option to make 4 interest-free payments by credit card once your order is confirmed using Sezzle

  • Product Details


    Astelin (azelastine hydrochloride) nasal spray is used to treat seasonal allergy symptoms in adults and pediatric patients who are at least 5 years old. It's also used to treat vasomotor rhinitis in adults and adolescents who are at least 12 years old.

    Fact Table




    US DailyMed



    Legal status

    US: ?-only / OTC

    Chemical Name


    Elimination half-life

    22 hours

    Dosage (Strength)

    137mcg 140 doses 22ml, 140 mcg/dose (70 dose)


    Consult Doctor



    Protein binding


    PubChem CID






    ATC code






    Routes of administration

    Nasal spray


    Follow the instructions and read the informational leaflets that come with your prescription.

    Astelin comes in a nasal spray that contains 137 mcg of azelastine hydrochloride in 0.137 mL of spray.

    Dosage for seasonal allergy symptoms:

    Pediatric patients 5-11 years old: 1 spray in each nostril two times a day

    Adults and adolescents who are at least 12 years old: 1 or 2 sprays in each nostril two times a day

    Dosage for vasomotor rhinitis:

    2 sprays in each nostril two times a day in adults and adolescents who are at least 12 years old

    Prime Astelin Nasal Spray before using it for the first time and if you have not used it for 3 days or longer. 

    Astelin Nasal Spray directions:

    1. Clear your nostrils by blowing your nose. 
    2. Tilt your head downward toward your feet. 
    3. Insert the tip of the spray approximately ¼ to ½ inch into your nostril. Hold the bottle upright and aim the tip of the spray toward the back of your nose. 
    4. Use your finger to close your other nostril. Press the pump one time while gently sniffing. 
    5. Repeat steps 3 and 4 for using the nasal spray in the other nostril. 


    The active ingredient in Astelin Nasal Spray is azelastine hydrochloride. Inactive ingredients include benzalkonium chloride, edetate disodium, hypromellose, citric acid, dibasic sodium phosphate, sodium chloride, and purified water.


    • Before using Astelin Nasal Spray, talk to your doctor:
      • About all the medications you take, including vitamins and herbal supplements
      • About your allergies
      • About your medical history and health problems
      • About your pregnancy or breastfeeding status
    • Astelin Nasal Spray can make you feel drowsy. Do not drive, operate machinery, or participate in other hazardous activities that require mental alertness when using Astelin Nasal Spray.
    • Do not consume alcohol or use other central nervous system depressants while using Astelin Nasal Spray as this can diminish your alertness.

    Side Effects

    Call your doctor if you develop side effects that bother you or won't go away during treatment with Astelin Nasal Spray. The most common side effects caused by the nasal spray include bitter taste, headache, drowsiness, unusual sensation, rhinitis, nasal burning, pharyngitis, nosebleeds, sinusitis, paroxysmal sneezing, nausea, dry mouth, fatigue, dizziness, and weight gain.


    Astelin (azelastine hydrochloride) nasal spray. Somerset, NJ: Meda Pharmaceuticals Inc.; 2014.

    IMPORTANT NOTE: The above information is intended to increase awareness of health information and does not suggest treatment or diagnosis. This information is not a substitute for individual medical attention and should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. See your health care professional for medical advice and treatment.

    Product Code : 6123

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