Crabs (Pubic Lice): Symptoms, Treatment, and How to Get Rid of Them Fast

You noticed the itching a day or two ago and put it down to heat or sweat, because it is Pattaya and both are constant. Then you looked closer. If you are reading this at midnight trying to figure out what is going on, you are in the right place. This is one of the most straightforward things we treat. Pubic lice are common, they are not dangerous, and they clear up fast with the right approach.

Here is what you need: the facts, the treatment options, and a clear answer on whether a pharmacy is enough or whether you should come in. We will also cover the practical side of being on holiday, what to do about your hotel room, and whether you should get an STD screen at the same visit.

What Are Pubic Lice (Crabs) and How Do You Catch Them?

Pubic lice are tiny parasites that live in coarse body hair. They grip onto hair shafts with claws that look a lot like a crab’s, which is where the nickname comes from. They do not jump or fly. They move from one person to another during close physical contact, and that almost always means sex.

Lice lay eggs called nits directly onto hair shafts, close to the skin. The eggs hatch, mature, and the cycle continues. That is why itching tends to get worse the longer you leave it.

You can pick them up through shared bedding or towels, but this is much less common than direct contact. Lice survive only one to two days away from a human host. Toilet seats, despite what people worry about, are an extremely unlikely source.

Symptoms of Pubic Lice — What to Look For

The main symptom is itching, and it can be intense. It is usually worst at night. The itch comes from a reaction to louse saliva.

You may also notice small bluish or grey bite marks on the skin of your inner thighs or lower abdomen. Some people spot tiny dark specks in their underwear, which is louse droppings. If you look closely at the pubic hair in good light, you may be able to see the lice themselves, or small white or yellowish eggs attached to hair shafts near the skin.

Symptoms can take two to four weeks to appear after exposure. If you have had an encounter in the last month and the itching is new, that timeline fits.

Pubic Lice Beyond the Pubic Area

Most people assume crabs only affect one area. They can spread to any coarse body hair: thigh hair, underarm hair, chest hair, and less commonly, eyebrows and eyelashes.

Eyelash involvement needs a different approach entirely. Do not apply permethrin cream near your eyes. If you notice itching or visible lice around your lashes or brows, come in and we will point you toward the safe options for that area.

This is also why shaving your pubic hair does not solve the problem. Lice can already be in hair elsewhere on the body. Medicated treatment is the only way to clear them properly.

How to Get Rid of Pubic Lice Fast — First-Line Treatment

For most people, the first step is a permethrin 1% cream or pyrethrin-based shampoo. Both are available at pharmacies here in Pattaya. Apply it to dry hair in the affected areas, leave it on for the time stated on the label, then rinse. Repeat after seven to ten days to catch any newly hatched lice.

After treatment, use a fine-tooth nit comb to remove dead lice and eggs. Leaving nits behind after treatment is normal, but combing helps you see clearly whether anything is still live.

Wash underwear, bedding, and any clothing in contact with the affected area in hot water, at least 60 degrees Celsius. High-heat drying helps too.

Treating Your Environment — What to Do With Bedding and Clothes in a Hotel Room

Being on holiday adds an inconvenience that most treatment guides skip over. You are in a hotel room without a washing machine or a dryer set to high heat.

Ask the front desk for a full bedding change and fresh towels. Do not share towels with anyone while you are treating. Seal clothing that has been in contact with the affected area in a plastic bag for at least 72 hours, since lice cannot survive that long without a host. Wash everything in hot water when you have access.

Items like a packed bag or shoes carry no meaningful risk. Lice need coarse body hair to survive, not hard surfaces or most fabrics.

When Over-the-Counter Treatment Is Not Enough

Sometimes the pharmacy treatment does not fully work. This can happen due to permethrin resistance, an application error, or re-exposure before treatment was finished.

If you have done two full rounds of permethrin correctly and still see live lice, prescription treatment is the next step. The two main options are malathion lotion, left on for several hours, and oral ivermectin, taken as a single tablet and repeated after seven to ten days. Both require a doctor’s assessment before you use them.

Do not buy ivermectin at a pharmacy and dose it yourself. The dose is calculated by weight, and getting it wrong means it will not work. At Doctor Pattaya, we can confirm the diagnosis and prescribe the right option the same day, at any hour.

Should You Get an STD Screen at the Same Time?

Short answer: yes. Pubic lice spread through close physical contact, and the same contact can pass other infections. Screening alongside a pubic lice diagnosis is a routine step recommended by the CDC, not a sign that something worse is likely.

A full STD panel covers the common ones: gonorrhoea, chlamydia, syphilis, hepatitis B, and HIV. Results come back quickly and everything is handled with full confidentiality.

If you are a tourist heading home soon, getting tested now makes far more sense than waiting. We run the panel the same day, in a private consultation, and we go through results with you clearly so you leave knowing where you stand.

Getting Pubic Lice Treatment in Pattaya — What to Expect

Walking into Doctor Pattaya for this is straightforward. No drama, no judgment, no appointment needed. We see this regularly, as does any clinic in a busy city like Pattaya.

We confirm the diagnosis visually. If prescription treatment is needed, we issue it on the spot. We will also talk through whether an STD screen makes sense for your situation, and you decide from there. Everything stays between you and the doctor.

We are open around the clock, which matters if you are flying out in two days and want this sorted before you go. Hotel visits are available across Jomtien, Naklua, Pratumnak, and central Pattaya if coming in is not convenient. Call ahead and we will come to you.

Telling Your Partner

If you have had sexual contact recently, those partners need to know and get treated too. Re-infestation almost always comes from an untreated partner, not from treatment failure.

You do not need to make it a big conversation. A straightforward message saying you have been diagnosed and recommending they get checked is enough. If you want help with the wording, ask during your consultation.

If a partner is travelling and cannot reach a clinic easily, a pharmacy and permethrin treatment is a reasonable starting point while they arrange a proper consultation.

Prevention and Avoiding Re-infestation

Once treated, the main rule is to avoid sexual contact until you and any partners have both finished treatment, around two weeks to be safe. Do not share towels or bedding during that time.

Check yourself about ten days after your second application. If you see no live lice moving, treatment has worked. Dead nits still attached to hair shafts are normal and do not mean the treatment failed. If anything appears to be moving, come back in.

Can I catch pubic lice from a hotel bed or shared towel in Pattaya?

It is possible but uncommon. Lice survive only one to two days off the human body, so bedding and towels carry a much smaller risk than direct skin-to-skin contact. Requesting a fresh bedding change and not sharing towels is sensible while you are treating.

Will shaving my pubic hair get rid of crabs?

No. Shaving alone does not clear pubic lice. Lice and nits can already be present in thigh hair, underarm hair, or other body hair that shaving does not reach. Medicated treatment is still needed.

How long does treatment take and can I still enjoy my holiday?

Applying permethrin cream or pyrethrin shampoo takes around ten minutes, with a repeat treatment after seven to ten days. Most people feel significant relief quickly. Avoid sexual contact until you and any partners have finished treatment, but one visit to Doctor Pattaya and you can get back to your holiday the same day.

Do I need to be tested for other STDs if I have pubic lice?

Yes, the CDC recommends it as a routine step alongside a pubic lice diagnosis, because co-occurring infections are common enough to make screening worthwhile. It is not a cause for alarm. At Doctor Pattaya, we run a full confidential STD panel at the same visit.

What if the pharmacy treatment is not working?

If two full rounds of permethrin have not cleared it, prescription options are available: malathion lotion or oral ivermectin. Both require a doctor’s assessment first, which you can get at Doctor Pattaya any time of day or night. Do not self-dose prescription treatments without guidance.

Can pubic lice spread to my eyelashes or eyebrows?

Yes, though it is less common. If you notice itching or visible lice in those areas, do not apply standard permethrin cream near your eyes. Come in for a consultation so we can recommend a safe treatment for that specific area.

How do I know treatment has worked?

Check the treated area about ten days after your second application. If no live lice are moving, treatment has worked. Dead nits still attached to hair shafts are normal after successful treatment. If anything appears to be moving, come back in.