Eye Drops in Japan: What to Check Before Buying OTC Eye Medicine

Traveler asking pharmacy staff about eye drops in a Japanese drugstore. Eye Symptoms

Eye discomfort is common during travel in Japan. Dry air, long flights, screen use, pollen, dust, contact lenses, and seasonal allergies can all make your eyes feel dry, itchy, tired, or red.

Japanese drugstores sell many OTC eye drops. Some are for dry eyes or eye strain, some are for itchy or allergy-like symptoms, some are for redness, and some are antibacterial eye drops. However, eye symptoms can also be caused by infection, injury, contact lens problems, corneal damage, glaucoma, uveitis, or other conditions that should not be handled with OTC medicine alone.

This guide explains what to check before buying OTC eye drops in Japan. It does not diagnose your eye condition and does not recommend a specific product. Use ingredient names as label-reading clues, and ask pharmacy staff whether a product matches your symptoms, contact lens use, age, medical history, allergies, and situation.

Some OTC medicines in Japan may require confirmation by a pharmacist or registered seller before purchase. Depending on the product, your symptoms, age, pregnancy status, eye condition, contact lens use, medical history, allergies, or other medicines you use, the product may not be available or may not be appropriate.

Quick Visual Summary: Common OTC Eye Drop Types in Japan

If you want the short version first, Japanese drugstores may carry eye drops in several broad categories:

What you want to checkProduct type you may seeMain caution
Dry eyes or tired eyesMoisturizing, artificial-tear-type, or eye-strain dropsCheck contact lens compatibility and ask if you have diagnosed dry eye disease
Itchy or allergy-like eyesAnti-allergy or antihistamine eye dropsDo not assume allergy if there is pain, discharge, strong redness, or vision change
Red eyesRedness-relief eye dropsRedness can be a warning sign; some products require pharmacist confirmation
Stye-like symptoms or suspected infectionAntibacterial eye dropsMedical care may be needed if pain, swelling, pus, contact lens symptoms, or worsening occurs
Contact lens discomfortDrops labeled for certain contact lens useCheck the exact lens type: soft, hard, disposable, or colored lenses

This article is not a product ranking. The goal is to help you understand what kind of eye drop you are looking at, what ingredient names may appear on the label, and when to ask pharmacy staff or seek medical care.

Quick Takeaway: Check Your Eye Symptoms First

Before buying OTC eye drops in Japan, check:

  • Is the main symptom dryness, itching, redness, pain, discharge, blurred vision, or contact lens discomfort?
  • Do you wear contact lenses?
  • Can the product be used while wearing soft contact lenses, hard contact lenses, or colored contact lenses?
  • Is there eye pain, strong redness, vision change, light sensitivity, injury, chemical exposure, or a foreign-body feeling?
  • Is there pus-like discharge, swollen eyelids, or symptoms in only one eye?
  • Have symptoms appeared after using a new eye drop, cosmetic, contact lens, or medicine?
  • Is the product for a child, an elderly person, someone pregnant or breastfeeding, or someone with glaucoma or another eye disease?

If symptoms are severe, unusual, worsening, or not improving, do not rely only on OTC eye drops. Seek medical care.

When to Seek Medical Care Instead of OTC Eye Drops

Consider medical care, and do not try to cover symptoms with OTC eye drops alone, if you have:

  • eye pain
  • sudden or strong redness
  • blurred vision, reduced vision, or vision changes
  • strong light sensitivity
  • injury, chemical exposure, or something stuck in the eye
  • severe foreign-body sensation
  • pus-like discharge or eyelids stuck together
  • swelling around the eye
  • symptoms after contact lens use, especially pain or redness
  • symptoms after eye surgery or with a known eye disease
  • symptoms that are getting worse or not improving

If the situation feels severe or urgent, ask nearby staff for help or call 119 in Japan.

If you are not sure how to find medical care in Japan, see our guide: How to See a Doctor in Japan as a Traveler.

At a Glance: Eye Symptoms and What to Check

Main concernWhat you may see in drugstoresWhat to check first
Dry eyes or eye strainArtificial tear-type or moisturizing eye dropsContact lens compatibility, preservatives, and whether symptoms are only dryness
Itchy eyes or allergy-like symptomsAntihistamine or anti-allergy eye dropsWhether there is pain, discharge, strong redness, or vision change
Red eyesRedness-relief eye drops may contain vasoconstrictor or redness-reducing ingredientsDo not use them to hide serious symptoms; check warning signs first
Stye-like symptoms or suspected infectionAntibacterial eye drops may be availableMedical care may be needed if swelling, pain, pus, or worsening symptoms occur
Contact lens discomfortSome products are labeled for contact lens useCheck the exact lens type and label wording

Ingredient Names Are Label Clues, Not Recommendations

The ingredient names below are examples of names you may see on Japanese OTC eye-drop labels. They are not a shopping list and not recommendations.

Different products have different purposes, warnings, and contact lens instructions. Always read the label and package insert. If you cannot read Japanese, show the product to pharmacy staff and ask before using it.

Dry Eyes or Eye Strain

If your main concern is dry eyes, tired eyes, or eye strain, you may see artificial tear-type, moisturizing, or eye-strain eye drops.

Ingredient names you may see include:

  • sodium chloride
  • potassium chloride
  • sodium hyaluronate
  • sodium chondroitin sulfate
  • cyanocobalamin
  • neostigmine methylsulfate
  • vitamin B6
  • taurine

Sodium hyaluronate is an especially important label clue because it is also used in prescription eye medicines in Japan. Some OTC products may contain sodium hyaluronate for eye dryness, eye fatigue, or discomfort related to insufficient moisture.

However, do not treat diagnosed dry eye disease as the same thing as mild temporary dryness from travel, screens, or air conditioning. Some pharmacist-guided sodium hyaluronate OTC products in Japan have specific restrictions and may not be appropriate for people who have been diagnosed with dry eye disease or other eye conditions. If you have been told by a doctor that you have dry eye disease, Sjogren’s syndrome, corneal disease, or another eye disorder, ask a pharmacist or eye doctor before using OTC sodium hyaluronate eye drops.

Dry eyes can feel mild, but not all eye discomfort is simple dryness. If you have pain, strong redness, vision change, light sensitivity, or contact-lens-related symptoms, ask pharmacy staff or seek medical care.

Itchy Eyes or Allergy-like Symptoms

If your eyes are itchy, watery, or allergy-like, you may see anti-allergy or antihistamine eye drops.

Ingredient names you may see include:

  • chlorpheniramine maleate
  • diphenhydramine hydrochloride
  • ketotifen fumarate
  • sodium cromoglicate
  • glycyrrhizic acid-related ingredients
  • epsilon-aminocaproic acid

These ingredients may appear in products for itchy eyes, allergy-like symptoms, or inflammation-related discomfort, depending on the product.

Itching alone may be related to pollen, dust, or seasonal allergy, but itchy eyes with pain, discharge, strong redness, swelling, or vision changes should not be treated as simple allergy without checking.

Red Eyes

Some OTC eye drops for red eyes contain ingredients that reduce visible redness. These ingredients may temporarily make the eyes look less red, but they do not treat the underlying cause of redness.

Ingredient names you may see include:

  • naphazoline hydrochloride
  • tetrahydrozoline hydrochloride
  • brimonidine tartrate

Brimonidine tartrate is a newer redness-reducing ingredient that may be found in some guidance-required OTC eye drops in Japan. Products containing brimonidine tartrate are guidance-required medicines (要指導医薬品), so pharmacist confirmation is required before purchase.

Some travelers may look for eye drops because they want their eyes to look clearer or less red. That is understandable, but visible redness can be a warning sign. Do not use redness-relief drops just to hide symptoms if you have eye pain, vision changes, strong redness, light sensitivity, discharge, injury, or contact-lens-related symptoms. Ask pharmacy staff or seek medical care.

Stye-like Symptoms or Suspected Infection

Some Japanese OTC eye drops are antibacterial eye drops. They may contain sulfonamide-type antibacterial ingredients.

Ingredient names you may see include:

  • sulfamethoxazole sodium
  • sulfamethoxazole

These products may be labeled for certain bacterial eye symptoms such as stye-like symptoms or conjunctivitis-related symptoms, depending on the product. However, eye infection can worsen or involve the cornea, especially in contact lens users.

Do not rely only on OTC antibacterial eye drops if you have strong pain, vision changes, severe swelling, pus-like discharge, symptoms after contact lens use, injury, chemical exposure, or worsening symptoms. Seek medical care.

Contact Lens Users: Check the Label Carefully

If you wear contact lenses, check the label before using any eye drop.

Some eye drops can be used while wearing certain contact lenses. Others must not be used while wearing soft contact lenses, colored contact lenses, or any contact lenses. Some products may be used only after removing lenses.

Ask pharmacy staff:

  • Can I use this while wearing soft contact lenses?
  • Can I use this while wearing hard contact lenses?
  • Can I use this with colored contact lenses?
  • Should I remove my lenses before using this?
  • How long should I wait before putting my lenses back in?

If you have contact-lens-related eye pain, redness, light sensitivity, blurred vision, or a strong foreign-body feeling, do not keep wearing lenses and do not rely only on OTC eye drops. Seek medical care.

How to Use Eye Drops Safely

Use eye drops only as directed on the package or package insert.

Basic safety points:

  • Wash your hands before using eye drops.
  • Do not touch the bottle tip to your eye, eyelashes, eyelid, fingers, or skin.
  • Do not share eye drops with another person.
  • Check the expiration date.
  • Do not use drops that look cloudy, discolored, or contaminated unless the product is meant to look that way.
  • If using more than one eye product, ask pharmacy staff how long to wait between products.
  • Stop using the product and seek advice if symptoms worsen or do not improve.

Useful Phrases to Show Pharmacy Staff

What you meanJapanese to show
I am looking for eye drops.目薬を探しています。
My eyes feel dry.目が乾きます。
My eyes are itchy.目がかゆいです。
My eyes are red.目が赤いです。
I have eye pain.目が痛いです。
My vision is blurry.視界がぼやけます。
I wear contact lenses.コンタクトレンズを使っています。
Can I use this while wearing contact lenses?コンタクトレンズをつけたまま使えますか？
Should I remove my contact lenses before using this?使う前にコンタクトレンズを外した方がよいですか？
I have been diagnosed with dry eye disease.ドライアイと診断されています。
Should I see an eye doctor?眼科を受診した方がよいですか？

Related Guides

You may also want to read:

References