Treating pink eye on Koh Phi Phi
Red, gritty, weeping eyes go through a hostel or a dive boat faster than almost anything else. Most of it is viral and self-limiting, some is bacterial, and a fair amount here is not infection at all but salt water, sun and chlorine. Pink eye treatment in Koh Phi Phi starts with telling those apart, because the treatment and the isolation advice differ completely.
The three things it usually is
Viral conjunctivitis: watery discharge, often starting in one eye and spreading to the other after a day or two, frequently with a cold or sore throat alongside. Highly contagious, and no antibiotic will touch it.
Bacterial conjunctivitis: thick yellow or green discharge, eyelids stuck together in the morning, usually both eyes. Responds well to antibiotic drops.
Allergic or irritant: itching rather than grittiness, both eyes, puffy lids, no real discharge. On this island the cause is more often salt water, chlorine, sunscreen running into the eyes, boat spray or air conditioning than pollen.
Why it spreads so efficiently here
Shared bathrooms, shared towels, dorm rooms, and a lot of hands on a lot of surfaces. Viral conjunctivitis survives on doorhandles and phone screens for hours.
Then the diving-specific route: shared masks. A rental mask that has not been properly disinfected between users passes eye infection straight from one face to the next, and rinse buckets on a busy boat do not count as disinfection.
Which is why the practical advice — wash hands, do not share towels or pillows, do not rub your eyes, and rinse a rental mask yourself before wearing it — is not fussiness. It is what stops a boat full of people from all having it by Thursday.
What treatment involves
Viral: cold compresses, lubricating drops, patience. It gets worse for three to five days and then improves over one to two weeks. Antibiotic drops do nothing except sting.
Bacterial: antibiotic drops or ointment, usually clearing things within a few days. Keep using them for the full course rather than stopping when it looks better.
Allergic or irritant: antihistamine drops, lubricating drops, cold compresses, and removing whatever is causing it — which often means rinsing properly after sea water and keeping sunscreen off the forehead where it runs into the eyes with sweat.
The signs that are not conjunctivitis
Conjunctivitis does not seriously affect vision and does not cause severe pain. Anything that does is something else, and it matters. Come in at once for:
- Vision loss or blurring that does not clear on blinking
- Severe eye pain rather than grittiness
- Marked sensitivity to light
- A white or cloudy patch on the coloured part of the eye
- Anything following an injury, or something striking the eye
- A red eye in a contact lens wearer
- Swelling and redness of the eyelid and surrounding skin, with fever
That last one is spreading infection around the eye socket rather than on its surface, and it needs treating urgently rather than in the morning. Both branches are staffed at any hour.
Contact lenses, and the specific danger here
Contact lenses and this island are a poor combination, and the reason is a parasite called Acanthamoeba that lives in fresh and brackish water and causes a corneal infection that can permanently damage sight.
Do not swim, shower or dive in contact lenses. Do not rinse lenses or a lens case in tap water. Do not top up old solution rather than replacing it.
If you have a red painful eye while wearing lenses, take them out, keep them, and come in rather than putting drops in and carrying on. That combination is treated as serious until proven otherwise, and a day’s delay genuinely changes the outcome.
The island causes that are not infection at all
A large share of red eyes we see here have nothing to do with germs. Sun is the main one — hours of glare off water without sunglasses inflames the surface of the eye, and severe cases are effectively sunburn of the cornea, painful several hours after exposure and usually at night.
Then salt water, chlorine from pools, sunscreen and insect repellent running into the eyes with sweat, and air conditioning drying the tear film to the point where the eye feels gritty every morning.
Sand deserves a mention on its own. A grain under the upper lid feels exactly like a scratched cornea and is easily removed once someone has looked; leaving it in place scratches the surface repeatedly for hours.
Diving and swimming with it
Do not dive or swim with active conjunctivitis. A mask presses against inflamed lids, sea water makes it worse, and the mask itself becomes a way of passing it on to whoever rents it next.
Viral conjunctivitis stays contagious while the eye is weeping, which is often a week or more. Bacterial is usually no longer contagious after a day or two of drops.
If a course has to be pushed back, that is worth documenting — see dive medical and medical certificates. Losing two days to a red eye is annoying; passing it to five other students is worse, and dive schools take it seriously.
Getting seen
Eyes are one of the things worth having looked at rather than guessed at, because the serious causes are treatable and the window is short. It takes a few minutes with a light and, where there is any question of a scratch, a fluorescein stain that shows damage on the surface directly.
Both branches are within reach of Ao Tonsai and Ao Lo Dalum. For anybody on the eastern bays with an eye too painful to open in daylight, a doctor hotel visit is often more sensible than a boat.
Where an eye needs a specialist, that is a mainland referral, and on an island where the crossing takes around two hours we would rather start arranging it early than late — see emergency evacuation and emergency care.
Frequently asked questions
Is pink eye contagious?
The viral and bacterial kinds are, very. Viral stays contagious while the eye weeps, often a week or more.
Do I need antibiotic drops?
Only for the bacterial kind — thick discharge, lids stuck together in the morning. Viral conjunctivitis does not respond to them.
Can I dive with pink eye?
No. The mask presses on inflamed lids, sea water worsens it, and the mask passes it to the next person who rents it.
I wear contact lenses and my eye is red and painful. What now?
Take the lenses out, keep them, and come in. That combination is treated as serious until proven otherwise.
Could it just be the sea water?
Often, yes. Salt water, chlorine, sunscreen running into the eyes and air conditioning cause red gritty eyes without any infection.
When is a red eye an emergency?
Vision loss, severe pain, marked light sensitivity, a cloudy patch on the cornea, any injury, or a red eye in a lens wearer.
How long does it last?
Bacterial clears within days on drops. Viral worsens for three to five days then improves over one to two weeks.
Can I get an eye looked at overnight?
Yes. Both branches are staffed around the clock, and corneal sunburn in particular tends to announce itself at night.
The island arithmetic, and where we fit in it
English-speaking doctors on site, 24 hours a day. It is worth spelling out why that matters rather than leaving it as a claim. Koh Phi Phi has no hospital, no road connection and no ambulance service. Getting to an emergency department means a boat, and the scheduled boats run in daylight — so for a good part of every twenty-four hours, the island’s own clinic is not the convenient option, it is the only one. Everything about how we are staffed follows from that single fact.
Beyond the island, Doctor Phi Phi Takecare Clinic belongs to the Takecare Clinic group, which operates across Krabi and Phuket. The practical value of that is continuity: if your treatment carries on after you leave, the next clinic already holds your notes, and a referral is a phone call between colleagues rather than a stack of paperwork you have to carry yourself.
Coming in
Doctor Phi Phi Takecare Clinic is 24 hours, every day, and that is the building being open with a doctor in it rather than a phone line that answers. No appointment is needed at any point, and there is no hour at which turning up is inconvenient for us. There are 2 branches on the island, about ten minutes apart on foot, and both keep the same hours — so head for whichever is closer rather than looking for the right one. Walk in, or reach us on +66 82 140 3858 or WhatsApp. If you would rather not move, ask for a doctor hotel visit and we will come to you.
If it turns out this is beyond what the island can treat, the same conversation is where the boat and the hospital transfer start being arranged. That process is worth beginning early rather than late here, because the options genuinely narrow as the evening goes on — and a decision made at nine is a considerably better decision than the same one made at two in the morning.