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Generic Name: hypochlorous acid

Dosage form: Spray Solution (for eyelids and eyelashes)

Medically reviewed by Last updated on Oct 10, 2019.

Uses of Avenova:

  • Avenova is used for eyelid and eyelash cleansing.
  • It is designed to remove microorganisms, bacteria and debris that contribute to conditions such as meibomian gland dysfunction (MGD), dry eye, blepharitis and styes.
  • Avenova keeps the eyelids and eyelashes clean and may prevent disorders of the eyelids such as MGD, dry eye, blepharitis and styes in patients with dry eye disease.

What do I need to tell my doctor BEFORE I use Avenova?

  • Tell your doctor if you have an allergy to chlorine or any other ingredient in Avenova.

What are some things I need to know or do while I take Avenova?

  • Avenova is considered safe to use with other prescription and OTC products.
  • Avenova can be used before applying and after the removal of makeup as an eyelid cleanser, however for maximum efficacy it should be applied to bare skin.
  • Avenova is nontoxic and should not sting or burn if it comes into contact with your eye.

How do I use Avenova?

  • Always wash your hands and eye area prior to use.
  • Avenova can be sprayed directly to the top of your eyelid with your eyes closed, and the excess removed with a clean cotton pad, OR sprayed onto a clean cotton pad and wiped around the eyelid and lashes.
  • Use Avenova as directed by your doctor. Read all information given to you. Follow all instructions closely.
  • Do not take Avenova by mouth.

What do I do if I miss a dose?

If you use Avenova on a regular basis, use a missed dose as soon as you think about it.

If it is close to the time for your next dose, skip the missed dose and go back to your normal time.

Do not use two doses at the same time or extra doses.

Avenova side effects

There are no known side effects associated with Avenova.


  • For external use only. Not intended for use in the eyes.
  • Do not use if you have a sensitivity to chlorine.
  • If you experience redness, swelling, irritation or pain around the eye, stop using Avenova and contact your doctor.
  • Use only when safety seal is intact, and no breakage is evident.
  • Do not use for infusion or injection.
  • Do not use expired product.

You may report side effects to the FDA at 1-800-FDA-1088. You may also report side effects at

How do I store and/or throw out Avenova?

  • Store in the original container at room temperature.
  • Do not freeze.
  • Protect from heat and sunlight.
  • Keep all drugs in a safe place.
  • Keep all drugs out of the reach of children and pets.

Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.

Consumer information

If your symptoms or health problems do not get better or if they become worse, call your doctor.

Do not share your drugs with others and do not take anyone else's drugs.

Keep a list of all your drugs (prescription, natural products, vitamins, OTC) with you. Give this list to your doctor.

Talk with the doctor before starting any new drug, including prescription or OTC, natural products, or vitamins.

Some drugs may have another patient information leaflet. Check with your pharmacist.

If you have any questions about Avenova, please talk with your doctor, nurse, pharmacist, or other health care provider.

If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.