
PEP
(HIV Post-Exposure Prophylaxis)
HIV PEP must be taken within 72 hours after potential exposure. PrEP by CWC clinic is open daily to provide PEP as quickly as possible. We offer comprehensive blood tests before starting PEP, along with testing for other STDs. Our clinic is conveniently located in the heart of Chiang Mai city, easily accessible with ample parking.
Contact us via phone at 084-1526496, email at prepbycwc.cm@gmail.com, Facebook at PrEPbyCWC, or through the chat box on our website.
What is HIV PEP?
HIV Post-Exposure Prophylaxis, or PEP, entails taking antiretroviral medications (ARVs) after potential exposure to HIV to prevent infection. Commencing PEP immediately is crucial, ideally within 72 hours following a potential HIV exposure incident. PEP is significantly reduces the risk of HIV transmission if taken correctly and promptly after exposure.
Who need PEP?
Doctors typically recommend PEP for individuals who have potentially been exposed to HIV within the last 72 hours through activities such as:
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Unprotected sex with someone known to be HIV-positive or of unknown HIV status.
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Needlestick injuries or other occupational exposures to HIV-infected blood or body fluids.
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Sharing needles or other drug-injecting equipment with someone who is HIV-positive or of unknown HIV status.
It's important to note that PEP should be evaluated on a case-by-case basis by a healthcare provider. Additionally, PEP is not a substitute for regular HIV prevention methods like PrEP or safer sex practices. For people with HIV, starting treatment with ART as soon as possible can prevent transmission and improve long-term health.
Is PEP effective?
The precise effectiveness of PEP is difficult to assess. Its effectiveness depends on multiple factors, including the prevalence of HIV in the area and how the person takes the medication. However, studies indicate PEP can lower the risk of HIV transmission by over 80% (Research paper). Its success greatly depends on strict adherence to the 28-day daily treatment regimen and avoiding additional HIV exposures.

Can I get HIV PEP over the counter in Thailand?
No, PEP is not available over the counter in Thailand. PEP is a prescription medication that you can get from a doctor after proper evaluation.
How to get PEP in Chiang Mai, Thailand
To get PEP in Chiang Mai, please contact PrEP by CWC Clinic. We are a specialized STD and HIV clinic providing expert care. Our services include a full range of options to prevent HIV infection and promote sexual health.
After arriving at the clinic, you will undergo an assessment by our experienced doctors. If you qualify for PEP, we will perform HIV testing, blood tests to check kidney and liver function, and other STD screenings based on your risk. Our doctors will prescribe PEP, give instructions on how to use it, and schedule a follow-up blood test.
We conduct all PEP services in private rooms to ensure your privacy and comfort. With our medical technicians and on-site laboratory, you can expect rapid HIV test results in approximately 30 minutes.
PrEP by CWC: Fast and affordable PEP and PrEP services
We offer a full range of services to prevent HIV infection and promote sexual health. In addition to providing PEP, our clinic conducts thorough HIV PrEP and STI screenings, as well as HIV testing. After completing a PEP course, we recommend considering PrEP medication if the risk of exposure continues. HIV PrEP is more effective and cost-efficient in preventing HIV.
Furthermore, we provide HIV treatment for people with HIV using antiretroviral drug, managed by our infectious disease specialists.
How much does HIV PEP cost in Chiang Mai, Thailand?
The cost for a standard course of PEP at PrEP by CWC clinic is 2,950 THB.
How to Take PEP?
Take PEP within 72 hours of potential HIV exposure for 28 days. After starting the medication, you’ll have a follow-up appointment to test for HIV and other STIs. A doctor will closely supervise PEP, especially for individuals with underlying health conditions.
Side Effects of PEP
Some people may experience nausea, dizziness, loss of appetite, or stomach pain. These side effects typically resolve on their own within the first week.
Difference Between PEP and PrEP
PEP (Post-Exposure Prophylaxis) and PrEP (Pre-Exposure Prophylaxis) are both HIV prevention methods, but they are used in different situations:
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PEP (Post-Exposure Prophylaxis):
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Used after potential exposure to HIV, such as through unprotected sex, needle sharing, or occupational exposure.
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Must be started within 72 hours of exposure for maximum effectiveness.
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Involves taking HIV medication daily for 28 days.
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PEP is an emergency measure and is not intended for regular use.
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PrEP (Pre-Exposure Prophylaxis):
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Used before potential exposure to HIV, for ongoing prevention.
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Recommended for individuals at higher risk of HIV, such as those with an HIV-positive partner or who engage in high-risk sexual activity.
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Involves taking a daily pill on an ongoing basis to maintain protection.
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Highly effective when taken consistently and as prescribed.
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Both PEP and PrEP are important tools in preventing HIV, but they serve different purposes. Consult with a healthcare provider to determine which option is right for your situation.
What Services Does PrEP by CWC Chiang Mai Offer?
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HIV Prevention Medication (PrEP; Pre-exposure prophylaxis)
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HIV and STI testing services
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HIV treatment (antiretroviral medicined) by infectious disease specialists
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Treatment for sexually transmitted infections (STIs)
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Vaccines for STIs
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Hepatitis A vaccine
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Hepatitis B vaccine
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HPV vaccine (to prevent cervical cancer, genital warts, anal cancer, and testicular cancer)
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Urine testing for STI screening covers a wide range of pathogens
If you’ve had unprotected sex or been at risk for HIV, visit PrEP by CWC clinic in Chiang Mai. We have built a strong reputation for providing affordable, confidential, and comprehensive HIV prevention and treatment services. Our dedicated team is here to provide the care and peace of mind you deserve.