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Optilast Eye Drops

Optilast eye drop solution provides quick relief from allergic conjunctivitis, the allergy symptoms which affect the eyes. This includes puffy, itchy and watery eyes. Its active ingredient is an antihistamine called azelastine hydrochloride.
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Optilast Eye Drops
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Please note that whilst you are able to request the medicine strength and size required,
we will only be able to send on approval from our in house pharmacist.

Starts at £27.00
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- - 5ml x 1 Pack 27.00
- - 5ml x 2 Packs 43.00

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Optilast Eye Drops for Allergic Conjunctivitis and Eye Allergy Relief

Optilast eye drops contain azelastine hydrochloride 0.05%, an established antihistamine used to manage the symptoms of allergic conjunctivitis. Optilast eye drops are prescribed to adults and young people aged 12 years and over. These offer targeted relief for itchy, red, and watery eyes during allergy season or after exposure to environmental allergens.

Optilast eye drops provide clinically recognised symptom control, settling irritation directly on the eye surface. The formulation blocks histamine at the point of contact and regulates the release of inflammatory mediators, making it a practical option during high pollen periods or after contact with dust or pet dander. You can buy Optilast eye drops online through Pharmacy Planet once your consultation is approved, giving you convenient access to trusted eye allergy treatment.

What Are Optilast Eye Drops?

Optilast eye drops are an antihistamine solution indicated for the treatment of allergic conjunctivitis. The solution contains azelastine hydrochloride 0.05% w/v. Azelastine works by binding to H1 receptors and inhibiting the release of inflammatory mediators from mast cells, which in turn reduces itchiness, redness, and excessive watering associated with allergic eye reactions.

The product is widely used by individuals who experience seasonal or intermittent eye allergies, particularly during spring and summer when airborne allergens are at their highest. Optilast is preserved with benzalkonium chloride and supplied in a multi-dose bottle that is easy to use throughout the allergy season.

How Do Optilast Eye Drops Work?

Allergic conjunctivitis occurs when allergens interact with conjunctival tissues, activating mast cells and triggering histamine release. This results in itching, redness, and increased tear production.

Azelastine hydrochloride works through two primary mechanisms:

H1 Receptor Antagonism

Azelastine blocks histamine at the receptor site, reducing the immediate allergic response characterised by itching and redness.

Inhibition of Mast Cell Mediator Release

It modifies mast cell activity, lowering the release of inflammatory substances that contribute to prolonged symptoms.

These dual effects allow Optilast eye drops to target both the early and sustained phases of the allergic reaction. Clinical studies show that azelastine provides measurable symptom reduction shortly after instillation, with continued improvement when used regularly.

How to Use Optilast Eye Drops?

Optilast eye drops are easy to use and fit comfortably into a daily routine during allergy season.

Adults and Adolescents Aged 12 Years and Over:

Typical dose is one drop into each affected eye twice daily, ideally 8–12 hours apart.

In more severe cases, your prescriber may recommend increasing to up to four times daily. Follow the prescriber’s instructions. Do not exceed the recommended frequency.

Contact lenses must be removed before application and should not be reinserted for a minimum of 15 minutes.

If you are unsure how to apply Optilast eye drops effectively, an online consultation at Pharmacy Planet will provide you with guidance for your symptoms and daily schedule.

Application Tips:

  • Wash hands thoroughly before use.
  • Tilt the head back slightly.
  • Pull down the lower eyelid to create a small pocket.
  • Instil one drop into the conjunctival sac.
  • Avoid touching the bottle tip to the eye.
  • Blink gently to distribute the solution evenly.

Once opened, the eye drop should not be used after 4 weeks.

Who Can Use Optilast Eye Drops?

Optilast eye drops may be suitable for individuals who are experiencing:

  • Itchy or red eyes caused by allergic conjunctivitis.
  • Excessive tearing during pollen season.
  • Eye irritation triggered by pets or dust.
  • Recurrent discomfort affecting concentration or outdoor activities.

Optilast eye drops may not be suitable for individuals who:

  • Are allergic to azelastine hydrochloride or the preservative.
  • Have active eye infections requiring separate treatment.
  • Experience unexplained visual disturbances.
  • Wear contact lenses during active eye irritation.

A prescriber will assess your suitability during your consultation at Pharmacy Planet.

Possible Side Effects of Optilast Eye Drops

Optilast eye drops are generally well-tolerated. Most side effects experienced are short-lived and mild.

Common Side Effects:

  • Temporary stinging or burning after application.
  • Mild eye irritation or dryness.
  • Slightly bitter taste after instillation.
  • Brief blurred vision.

Less Common or Rare Side Effects:

  • Eyelid swelling or inflammation.
  • Persistent redness or discomfort.
  • Increased sensitivity to bright light.
  • Visual changes that do not settle.

If symptoms persist or appear unusual, immediate medical advice is recommended.

Why Do People Choose Optilast Eye Drops?

Optilast eye drops are a preferred option for managing allergic conjunctivitis because they offer:

  • Established antihistamine action targeting histamine pathways.
  • Relief from itching, redness, and excessive tearing.
  • A dual mode of action for sustained symptom control.
  • Simple twice-daily dosing.
  • Suitability for adults and teenagers.

Many individuals choose to buy Optilast eye drops during peak allergy seasons to maintain clear, comfortable eyes throughout daily activities.

Consultation and Prescription Process at Pharmacy Planet

Here is how the consultation process works at Pharmacy Planet:

  1. Complete the Online Consultation
    Provide details about your eye symptoms and general health.
  2. Clinical Assessment
    A prescriber reviews your information to confirm suitability.
  3. Access Your Treatment
    If approved, your Optilast eye drops are delivered discreetly to your chosen address.
Optilast

Optilast eye drops contain azelastine hydrochloride 0.05%, an established antihistamine used to manage the symptoms of allergic conjunctivitis. Optilast eye drops are prescribed to adults and young people aged 12 years and over. These offer targeted relief for itchy, red, and watery eyes during allergy season or after exposure to environmental allergens.

Optilast eye drops provide clinically recognised symptom control, settling irritation directly on the eye surface. The formulation blocks histamine at the point of contact and regulates the release of inflammatory mediators, making it a practical option during high pollen periods or after contact with dust or pet dander. You can buy Optilast eye drops online through Pharmacy Planet once your consultation is approved, giving you convenient access to trusted eye allergy treatment.

Optilast eye drops are an antihistamine solution indicated for the treatment of allergic conjunctivitis. The solution contains azelastine hydrochloride 0.05% w/v. Azelastine works by binding to H1 receptors and inhibiting the release of inflammatory mediators from mast cells, which in turn reduces itchiness, redness, and excessive watering associated with allergic eye reactions.

The product is widely used by individuals who experience seasonal or intermittent eye allergies, particularly during spring and summer when airborne allergens are at their highest. Optilast is preserved with benzalkonium chloride and supplied in a multi-dose bottle that is easy to use throughout the allergy season.

Allergic conjunctivitis occurs when allergens interact with conjunctival tissues, activating mast cells and triggering histamine release. This results in itching, redness, and increased tear production.

Azelastine hydrochloride works through two primary mechanisms:

H1 Receptor Antagonism

Azelastine blocks histamine at the receptor site, reducing the immediate allergic response characterised by itching and redness.

Inhibition of Mast Cell Mediator Release

It modifies mast cell activity, lowering the release of inflammatory substances that contribute to prolonged symptoms.

These dual effects allow Optilast eye drops to target both the early and sustained phases of the allergic reaction. Clinical studies show that azelastine provides measurable symptom reduction shortly after instillation, with continued improvement when used regularly.

Optilast eye drops are easy to use and fit comfortably into a daily routine during allergy season.

Adults and Adolescents Aged 12 Years and Over:

Typical dose is one drop into each affected eye twice daily, ideally 8–12 hours apart.

In more severe cases, your prescriber may recommend increasing to up to four times daily. Follow the prescriber’s instructions. Do not exceed the recommended frequency.

Contact lenses must be removed before application and should not be reinserted for a minimum of 15 minutes.

If you are unsure how to apply Optilast eye drops effectively, an online consultation at Pharmacy Planet will provide you with guidance for your symptoms and daily schedule.

Application Tips:

  • Wash hands thoroughly before use.
  • Tilt the head back slightly.
  • Pull down the lower eyelid to create a small pocket.
  • Instil one drop into the conjunctival sac.
  • Avoid touching the bottle tip to the eye.
  • Blink gently to distribute the solution evenly.

Once opened, the eye drop should not be used after 4 weeks.

Optilast eye drops may be suitable for individuals who are experiencing:

  • Itchy or red eyes caused by allergic conjunctivitis.
  • Excessive tearing during pollen season.
  • Eye irritation triggered by pets or dust.
  • Recurrent discomfort affecting concentration or outdoor activities.

Optilast eye drops may not be suitable for individuals who:

  • Are allergic to azelastine hydrochloride or the preservative.
  • Have active eye infections requiring separate treatment.
  • Experience unexplained visual disturbances.
  • Wear contact lenses during active eye irritation.

A prescriber will assess your suitability during your consultation at Pharmacy Planet.

Optilast eye drops are generally well-tolerated. Most side effects experienced are short-lived and mild.

Common Side Effects:

  • Temporary stinging or burning after application.
  • Mild eye irritation or dryness.
  • Slightly bitter taste after instillation.
  • Brief blurred vision.

Less Common or Rare Side Effects:

  • Eyelid swelling or inflammation.
  • Persistent redness or discomfort.
  • Increased sensitivity to bright light.
  • Visual changes that do not settle.

If symptoms persist or appear unusual, immediate medical advice is recommended.

Optilast eye drops are a preferred option for managing allergic conjunctivitis because they offer:

  • Established antihistamine action targeting histamine pathways.
  • Relief from itching, redness, and excessive tearing.
  • A dual mode of action for sustained symptom control.
  • Simple twice-daily dosing.
  • Suitability for adults and teenagers.

Many individuals choose to buy Optilast eye drops during peak allergy seasons to maintain clear, comfortable eyes throughout daily activities.

Here is how the consultation process works at Pharmacy Planet:

  1. Complete the Online Consultation
    Provide details about your eye symptoms and general health.
  2. Clinical Assessment
    A prescriber reviews your information to confirm suitability.
  3. Access Your Treatment
    If approved, your Optilast eye drops are delivered discreetly to your chosen address.
Frequently Asked Questions

Yes. You can use Optilast as soon as symptoms begin, including mornings when your eyes start itching right after opening the window. The drops work quickly and using them at the onset of irritation can control symptoms throughout the day.

Regular twice-daily use often allows individuals to manage irritation during long commutes, in crowded stations, or in city environments where airborne particles tend to worsen symptoms.

Yes, Optilast eye drops can be for those aged 12 and over. Teenagers often rely on it during exam seasons or school activities when itchy or watery eyes affect concentration.

Yes. Apply the drops first, wait a few minutes to let them absorb, then apply makeup or reinsert contact lenses. This prevents irritation and ensures full effectiveness.

This happens to many people. The drop usually still covers the eye surface effectively. You can continue with your schedule without adding an extra dose.

Yes, many individuals use Optilast eye drops alongside an antihistamine tablet when symptoms affect both the eyes and nose. This creates a balanced approach during heavy pollen days.

Yes, the compact bottle is practical for holidays, festivals, weekend trips, and long days outdoors. Many people carry it with them to stay prepared for sudden exposure to allergens.

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Review By

GURDEV SEHMI

Last Updated On : Mar 13 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925

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Authored By

GURDEV SEHMI

Last Reviewed On : Mar 23 2026

BSc Pharm, MRPharmS, Independent Prescriber, Superintendent Pharmacist, Clinical Lead

GPhC Number: 2050925