Eye discharge, sticky eyelids, eyelid swelling, or a stye-like bump can be uncomfortable and confusing when you are traveling in Japan. Japanese drugstores sell many OTC eye drops, including some antibacterial-type eye drops, but the best choice depends on the symptom.
This guide helps you decide what to check first, what ingredient names you may see on Japanese labels, and when it is better to ask for medical care instead of trying another eye drop.
Quick Guide: What Should You Do First?
| If this is your situation | What to do first |
| Your eyelids are sticky or you have eye discharge | Ask pharmacy staff whether OTC eye drops are appropriate. |
| You have a painful bump on the eyelid | Do not squeeze it. Ask pharmacy staff whether you should see a doctor. |
| Your main symptoms are itching and watery eyes | This may be allergy-related. See the allergy eye drop guide. |
| Your main symptom is dryness or contact lens discomfort | See the dry eye/contact lens guide. |
| You have eye pain, vision changes, strong redness, injury, or contact lens trouble | Seek medical care rather than relying on OTC eye drops. |
In short: mild-looking symptoms may be worth discussing at a pharmacy, but pain, vision changes, contact lens trouble, injury, or worsening symptoms should be treated more carefully.
Match the Symptom Before Choosing Eye Drops
Eye discharge, allergy symptoms, dry eye, and a stye-like bump can feel similar at first. The type of eye drop you need may be different.
Eye discharge can be watery, sticky, mucus-like, yellow, or green. Sticky eyelids after sleep may happen with some infections, but discharge alone does not tell you the exact cause.
A stye-like symptom usually means a painful bump or swelling near the eyelid edge. Do not squeeze or pop it. If the swelling is spreading, very painful, or not improving, medical care is a better choice.
Itching and watery eyes often fit allergy-type symptoms more than infection. Dryness, foreign-body sensation, or discomfort while wearing contact lenses may fit a different type of eye drop. If your symptoms sound like those, the related guides at the end may be more useful.
OTC Eye Drops You May See in Japan
At Japanese drugstores, you may see eye drops for several purposes:
- general eye discomfort
- dry eyes or artificial tears
- allergy symptoms
- redness
- antibacterial-type use
For eye discharge or stye-like symptoms, travelers may notice antibacterial eye drops. These may be relevant in some situations, but they are not a replacement for an eye exam. If you are not sure which type you are holding, show the product and your symptoms to pharmacy staff before using it.
Ingredient Names You May See on Labels
These ingredient names are label clues, not recommendations.
Antibacterial-type eye drops
You may see:
- sulfamethoxazole sodium
This ingredient may appear in OTC antibacterial eye drops in Japan. If you have a sulfonamide or “sulfa” allergy, tell pharmacy staff before using any product that contains this ingredient.
Supportive ingredients for irritation or inflammation
You may also see ingredients such as:
- dipotassium glycyrrhizinate
- epsilon-aminocaproic acid
- chlorpheniramine maleate
Depending on the product, these may be included for irritation, inflammation, or itching. They do not mean the product is appropriate for every type of eye discharge or eyelid swelling.
Simple Self-Care While You Decide
While deciding whether to use an OTC product or seek medical care, these steps may help reduce avoidable irritation:
- Wash your hands before touching the eye area.
- Do not share towels, eye makeup, or eye drops.
- Do not squeeze an eyelid bump.
- Avoid using old prescription eye drops or someone else’s eye drops.
- If you wear contact lenses and have redness, pain, discharge, or blurred vision, stop wearing them and use glasses if available.
Before using an OTC eye drop, check whether it can be used with your type of contact lenses. Some eye drops should not be used while wearing soft contact lenses, colored contact lenses, or any contact lenses.
When Medical Care Is the Better Choice
Consider medical care if you have any of the following:
- eye pain
- vision changes or blurred vision
- strong redness
- light sensitivity
- thick yellow or green discharge
- swelling around the eye or face
- fever or feeling very unwell
- eye injury or chemical exposure
- symptoms after contact lens trouble
- 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.
How to Ask at a Japanese Pharmacy
You can show these phrases to pharmacy staff.
| What you mean | Japanese to show |
| I have eye discharge. | 目やにが出ます。 |
| My eyelids stick together in the morning. | 朝、まぶたがくっつきます。 |
| I have swelling or a bump on my eyelid. | まぶたに腫れやしこりがあります。 |
| I use contact lenses. | コンタクトレンズを使っています。 |
| I would like to check whether OTC eye drops are appropriate for this symptom. | この症状に市販の目薬が適しているか確認したいです。 |
| Please tell me whether I should see a doctor. | 受診した方がよい症状か教えてください。 |
For a broader pharmacy communication card, see: Show This at a Japanese Pharmacy: OTC Medicine Questions in English and Japanese.
Related Guides
You may also want to read:
- Eye Drops in Japan: OTC Eye Medicine and Safety Checks
- Itchy Eyes and Allergy Eye Drops in Japan: What to Check Before Buying OTC Eye Drops
- Dry Eyes and Contact Lens Eye Drops in Japan: What to Check Before Buying OTC Eye Drops
- How to See a Doctor in Japan as a Traveler
- Show This at a Japanese Pharmacy: OTC Medicine Questions in English and Japanese
References
- Pharmaceuticals and Medical Devices Agency (PMDA). OTC medicine and package insert search. https://www.pmda.go.jp/PmdaSearch/otcSearch/
- CDC. About Pink Eye. https://www.cdc.gov/conjunctivitis/about/index.html
- Japan Ophthalmic Medicine Manufacturers Association. Information for patients on using ophthalmic medicines. https://gankayozai.jp/patient/okusuri.html
- Japan Contact Lens Association. Information on safe contact lens use. https://www.jcla.gr.jp/contactlens/howtouse.html
- CDC. About contact lenses. https://www.cdc.gov/contact-lenses/about/index.html
