What is viazyl?

Viazyl® is the trademark of a combined synthetic medicine that uses neomycin , polymyxin B (1) , fluocinolone acetonide (2) and lidocaine hydrochloride as active ingredients in its formula , chemical compounds that together cause an antibiotic, anti-inflammatory and anesthetic on some pathologies of the auditory system .

To be highlighted: This pharmaceutical product is made by the company named LABORATORIOS PIZZARD, SA de CV (3)

What is viazyl used for?

  • Thanks to the joint mechanism of action of its active ingredients, viazyl® fights the germs commonly responsible for most ear infections , as well as providing a local anti-inflammatory, anti-allergy, antipruritic and anesthetic effect on pain in external ear conditions.
  • It is used to treat:
    • External otitis and other inflammatory, allergic and pruritic conditions, caused by a bacterial infection.

Dosage and routes of administration of viazyl

The presentation of viazyl® is in a 5 and 15 ml dropper bottle with otic solution, which contains neomycin sulfate equivalent to 3.5 mg (against gram- negative bacteria ), polymyxin B sulfate (especially against Pseudomonas aeruginosa ) equivalent to polymyxin B 10,000 U, fluocinolone acetonide 0.250 mg and lidocaine hydrochloride 20 mg. The administration is via the ear and the dosage as a reference may be as follows:

  • External otitis : Place 2 to 3 drops in the affected ear, 3 or 4 times a day for as long as the treating physician indicates.

viazyl side effects

Clinical data indicate that the use of viazyl® may cause, in a certain patient population , some of the following adverse effects:

  • Possible allergic reactions due to patient contact with any component of the formula.
  • Ototoxicity and nephrotoxicity.
  • Burning, irritation, itching and dryness.
  • Folliculitis, acneiform eruptions, hypertrichosis.
  • Hypopigmentation, allergic contact dermatitis , secondary infection, and skin atrophy .

Important: If the patient presents during treatment with viazyl® some of these symptoms or another not included in the list, please stop its use and notify your doctor .

Contraindications and warnings of viazyl

The use of viazyl® is contraindicated in the following cases:

  • Patient hypersensitivity to any of the components of the formula.
  • Patients with untreated fungal or viral ear infections, herpes simplex, vaccinations, and chicken pox.
  • During the period of pregnancy without the consent of the doctor.
  • During breastfeeding .

You should know: The patient must provide his doctor before starting treatment with this drug, all the information about his health history .

Avoid if you have:

  • History of hypersensitivity to any of the components of the drug formula.
  • Severe kidney or liver damage.
  • Eardrum perforation.


  • Pharmaceutical products such as viazyl® must be administered with a prescription or prescription.
  • Prolonged use of this type of drug can favor the development of other non-susceptible microorganisms.
  • Follow your doctor’s directions while using this medication.
  • Store in a dry and cool place.
  • Keep this product out of the reach of children.

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