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Sexual Health Services

Lion Health Clinic provides sexual health services including STI testing, treatment, and consultation in Singapore.

Sexually Transmitted Infection (STI) Testing and Treatment

Lion Health Clinic provides STI testing and treatment services. Testing available for common sexually transmitted infections in Singapore.

Erectile Dysfunction (ED) Treatment

Consultation and Assessment

A thorough medical assessment is crucial to determine the cause of ED and select the safest treatment plan.

Treatment Options

Oral Medications:

PDE5 inhibitors are medications used for erectile dysfunction treatment. PDE5 (phosphodiesterase type 5) is an enzyme that breaks down a substance in the body that helps maintain erections. PDE5 inhibitors block this enzyme, allowing better blood flow to support erectile function.
Common PDE5 inhibitors include:

  • Viagra / Sildenafil (requires prescription)
  • Cialis / Tadalafil (requires prescription)

These medications are provided after medical assessment to determine suitability. Dosage and usage instructions provided by the doctor during consultation. 

Treatment of Underlying Conditions:

ED treatment may involve management of:

Medication adjustments may be considered if current medications contribute to erectile dysfunction.

Important Note: Erectile dysfunction may indicate cardiovascular disease.

Emergency Contraception

Emergency Contraceptives are intended for emergency use only and not as a regular form of contraception. They should be used as soon as possible after unprotected sexual intercourse to reduce the chance of pregnancy.

Common scenarios include:

  • Condom breakage or slippage.
  • Missed or delayed doses of regular birth control pills.
  • Unprotected sexual intercourse.

Crucial Timeframes:

  • Most Effective: Within 24 hours after unprotected sex.
  • Still Effective: Can be taken up to 72-120 hours (3-5 days) after intercourse, depending on the type of emergency contraception. Efficacy decreases with time.

The primary mechanism is to delay or inhibit ovulation (the release of an egg from the ovary). If there’s no egg to fertilize, pregnancy cannot occur.

Important Clarifications:

  • It is NOT an abortion pill. It prevents pregnancy from occurring; it does not terminate an existing pregnancy.
  • It does not protect against Sexually Transmitted Infections (STIs).
  • It does not provide any ongoing contraceptive protection for future acts of intercourse.

Oral Contraception

We provide vaccinations for children, adults, and travelers.

What Are Oral Contraceptives?

Oral contraceptive pills (OCPs), commonly referred to as birth control pills, are a category of pharmaceutical agents that utilize synthetic hormones to prevent pregnancy. Their primary mechanisms of action include the suppression of ovulation, the thickening of cervical mucus to impede sperm motility and penetration, and the alteration of the endometrial lining to inhibit implantation.

Administered on a daily schedule, oral contraceptives provide continuous, ongoing pregnancy prevention. This distinguishes them from emergency contraception (the “morning-after pill”), which is intended for postcoital use following unprotected intercourse or contraceptive failure to reduce the risk of conception. Similarly, menstrual delay pills serve a distinct purpose; they are formulated to temporarily postpone menstruation for personal or scheduling convenience, rather than for contraceptive effect.

How Do Oral Contraceptives Work?

Oral contraceptive pills (OCPs) prevent pregnancy through hormonal regulation that interferes with key reproductive processes, thereby reducing the likelihood of fertilization and successful implantation. The primary mechanisms include:

  1. Suppression of Ovulation: The consistent levels of synthetic estrogen and progestin in OCPs inhibit the mid-cycle surge of luteinizing hormone (LH) and follicle-stimulating hormone (FSH), which are essential for ovarian follicle maturation and ovulation. In the absence of ovum release, fertilization cannot occur.
  2. Alteration of Cervical Mucus: Progestin thickens and reduces the elasticity of cervical mucus, creating a hostile barrier that impedes sperm motility and penetration through the cervical canal.
  3. Modification of the Endometrium: The hormonal profile of OCPs maintains the endometrial lining in a thinner, less proliferative state. This renders the uterine environment less receptive to implantation, should fertilization occur.

Together, these actions provide a multi-faceted approach to contraceptive efficacy.

Worried about your sexual health?

Here’s what you need to know about common infections, the signs to watch for, and getting support.

Gonorrhea

Gonorrhea Is a common sexually transmitted infection (STI) caused by bacteria. It spreads through sexual contact and can infect the genitals, rectum, throat, and sometimes the eyes.

  • Discharge from penis in men
  • Painful urination
  • Severe abdominal pain in women
  • High fever with genitourinary symptoms

Chlamydia

Chlamydia is one of the most common sexually transmitted infections (STIs). It’s caused by bacteria and spreads easily through sexual contact. Many people who have it don’t show any symptoms, which is why it’s sometimes called a “silent” infection.

Symptoms:

  • Discharge from penis or vagina
  • Painful urination
  • Severe swelling or pain in testicles in men
  • Severe pelvic pain in women
  • Heavy vaginal bleeding in women

Syphilis

Syphilis is a serious sexually transmitted infection (STI) caused by bacteria called Treponema pallidum. It develops in stages and can cause severe health problems if left untreated.

Symptoms:

  • Painless sores on genitals (primary stage)
  • Skin rash (secondary stage)
  • Internal organ damage (late stage)

HIV

HIV (Human Immunodeficiency Virus) is a virus that attacks the body’s immune system—specifically the white blood cells that help fight infections. If left untreated, HIV can lead to AIDS (Acquired Immunodeficiency Syndrome), the most advanced stage of the infection.

Symptoms:

  • Fever
  • Sore throat
  • Rash
  • Swollen lymph nodes
 

Some individuals may not have symptoms.

Herpes (HSV)

Herpes is a common viral infection caused by the herpes simplex virus (HSV). It mainly causes sores on the mouth or genitals, but many people have no symptoms. There are two main types:

  • HSV-1: Usually causes oral herpes (cold sores)
  • HSV-2: Usually causes genital herpes
 

Symptoms:

  • Painful blisters or sores on genitals
  • Itching
  • Burning during urination

Hepatitis B Testing

Hepatitis B testing involves simple blood tests that check whether you have been infected with the hepatitis B virus (HBV). These viruses can cause liver inflammation, scarring (cirrhosis), and even liver cancer if left untreated.

Symptoms:

  • Fatigue & Weakness
  • Muscle & Joint Pain
  • Dark Urine: Urine that looks like tea or cola

How often should you get tested for STIs?

Many STDs are asymptomatic, regular testing is necessary to prevent long-term health complications. Even if you have no symptoms, you should get STD screening based on your sexual activity and risk factors, typically annually for most sexually active individuals, or every 3 to 6 months if you have higher-risk behaviors.

When to get tested if I have no STI symptoms?

Understanding the "Window Period"

It is important to wait for the “window period” after potential exposure for tests to be accurate. Occasionally, doctors would also recommend for serial / repeat testing after the window period from the last exposure to ensure that the test results are truly negative.

Chlamydia/Gonorrhea

1-2 Weeks

Post potential contact

HIV

2-12 Weeks

Early detection vs High accuracy

Syphilis / Hep / Herpes

4-12 Weeks

Depending on specific infection

 

Recommended Screenings Checklist:

  • Chlamydia/Gonorrhea: Annual for women under 25 and 25+ with new partners.
  • Syphilis: Annual for active individuals with risk factors.
  • HIV: At least once for everyone 16–65, annually if at high risk.
  • HPV: Women 25–65 should test every 3–5 years.

HPV Vaccination

The HPV vaccine prevents cancers caused by the human papillomavirus, a common infection spread through intimate skin-to-skin contact during sex. Vaccination offers safe, lasting protection for young adults.

Types of vaccine available: Gardasil 9 and Cervarix

Cervarix

HPV Types Targeted

2-valent – Protects against HPV 16 & 18 (causes ~70% of cervical cancers)

Vaccination Schedule

3 doses (0, 2, 6 months).

Primary Purpose

Prevention of cervical cancer.

Approved Gender & Age

Females only, aged 9 to 26 years (Covered by NAIS)

Gardasil 9

HPV Types Targeted
  • 9-valent – Protects against HPV 6, 11, 16, 18, 31, 33, 45, 52, 58 (covers ~90% of cervical cancers + genital warts)
  • Clinically safe and effective to receive Gardasil 9 for broader protection even if you have previously completed the Cervarix vaccine series

Vaccination Schedule

3 doses (0, 2, 6 months).

Primary Purpose

Prevention of cervical, vulvar, vaginal, anal cancers, genital warts.

Approved Gender & Age

Males and Females, aged 9 to 45 years (Not covered by NAIS)

Hepatitis B Vaccination

Hepatitis B vaccination available for individuals requiring protection.

Who Should Receive the Hepatitis B Vaccine?

As part of the Singapore National Adult Immunisation Schedule (NAIS), adults (18 years or older, Singapore Citizen) who have not been previously vaccinated, or lack evidence of past infection or immunity (serology test) should receive three doses

Hepatitis B

What is the Hepatitis B Vaccine Used For?

Hepatitis B is a serious liver Infection, the vaccine is highly effective in preventing infection. It is your primary defense against a virus that can cause liver cirrhosis (scarring), liver failure, and liver cancer.

Mode of transmission:

Hepatitis B is a serious liver infection caused by the hepatitis B virus (HBV) and is preventable through vaccination. The virus is transmitted when blood, semen, or other bodily fluids from an infected person enter the body of someone who is not immune. This can happen through sexual contact, sharing needles or syringes, or from an infected mother to her baby during childbirth.

Vaccination Schedule

3 doses (0, 1, 6 months).

Visit Our Clinics

Our Clinic Locations:

Boon Keng Clinic

101 Towner Road, #01-218, Singapore 322101

Yishun Clinic

931 Yishun Central 1, #01-107, Singapore 760931

OFFICIAL FORMS

Pre-register Online

Download the required medical form before your visit.

MOM Work Permit Medical Form

Standard medical examination form for Ministry of Manpower work permit applications and renewals.

ICA Medical Examination Report

Official medical report required for Long Term Visit Pass, Student's Pass, or Permanent Residency applications.

Tip: Filling these forms in advance helps shorten your waiting time at Lion Health clinics.