Sexually transmitted infections (STIs) are a significant global health concern, affecting millions of people each year. Among the most common is gonorrhea, a bacterial infection that can cause serious and permanent health problems if left untreated. Often presenting with no symptoms, particularly in women, gonorrhea can be spread unknowingly, leading to a silent epidemic of complications like infertility and chronic pain. Adding to this challenge is the growing threat of antibiotic resistance, which makes effective treatment more critical than ever. This guide provides a comprehensive, non-judgmental overview of gonorrhea, what it is, how it spreads, its signs and symptoms, and why prompt diagnosis and proper treatment are essential for your health and the health of your partners.

Gonorrhea is a common sexually transmitted infection (STI) caused by the bacterium Neisseria gonorrhoeae. It affects both men and women and typically targets the mucous membranes of the urethra, cervix, rectum, throat, or eyes. While some people experience painful symptoms, others may carry the infection without any noticeable signs, making it easy to transmit unknowingly.

Gonorrhea is sometimes called “the clap” and is part of a group of STIs that can be effectively treated with antibiotics when caught early. However, left untreated, it can lead to serious health complications, including pelvic inflammatory disease (PID), infertility, and increased risk of HIV.

Gonorrhea is caused by the bacterium Neisseria gonorrhoeae. This organism is a type of bacteria known as a gram-negative diplococcus, meaning it typically appears in pairs and has a specific cell wall structure. It is transmitted exclusively through direct contact between individuals.

When the bacterium comes into contact with a mucous membrane, it uses hair-like appendages called pili to attach to the surface of the cells. Once attached, it invades the cells and triggers a powerful inflammatory response from the body’s immune system. This influx of immune cells, primarily neutrophils, is what leads to the formation of pus, the thick, often colored discharge that is a hallmark symptom of the infection. The bacterium is highly adapted to human hosts and has developed sophisticated mechanisms to evade the immune system, allowing the infection to persist if not treated with antibiotics.

Clinically, we often see coinfection with Chlamydia trachomatis, up to 50% of patients may have both infections at the same time.

Gonorrhea is a sexually transmitted infection, meaning it is passed from one person to another during sexual activity. The bacterium is present in the penile and vaginal fluids, semen, and rectal fluids of an infected person. It is crucial to understand that an infected person does not need to have symptoms to be able to transmit the bacteria to a partner.

The infection is spread through the following types of contact:

• Vaginal, anal, or oral sex with a person who has gonorrhea.
• Sharing sex toys that have not been washed or covered with a new condom between partners.

It is also possible for a pregnant person with gonorrhea to pass the infection to their baby during childbirth. This is known as perinatal transmission and can cause a serious eye infection in the newborn called gonococcal conjunctivitis, which can lead to blindness if not treated immediately.

It is equally important to understand how gonorrhea is not spread. You cannot get gonorrhea from casual contact such as hugging, shaking hands, or sharing food and drinks. It is not transmitted through toilet seats or swimming pools.

One of the most dangerous aspects of gonorrhea is that it is often asymptomatic, meaning it produces no noticeable symptoms. The U.S. Centers for Disease Control and Prevention (CDC) notes that most women with gonorrhea are asymptomatic, and even when symptoms are present, they are often mild and can be mistaken for a more common bladder or vaginal infection. This allows the infection to go undiagnosed and untreated, increasing the risk of severe complications and further transmission.

When symptoms do occur, they are different in men and women and can also vary depending on the site of infection.

Symptoms in Men

When men have symptoms, they usually appear within one to two weeks of infection. They can include:

• A burning sensation or pain during urination (dysuria).
• A pus-like discharge from the tip of the penis, which may be white, yellow, or greenish.
• Pain or swelling in one testicle, which can be a sign that the infection has spread to the epididymis (epididymitis).

Symptoms in Women

Symptoms in women, when they occur, are often non-specific. They can include:

• Pain or burning sensation while urinating.
• An increase in vaginal discharge.
• Vaginal bleeding between periods, like after intercourse.
• Abdominal or pelvic pain.

Symptoms in Other Body Sites:

• Rectal Infection: Can cause anal itching, a pus-like discharge from the rectum, soreness, bleeding, or painful bowel movements. It is often asymptomatic.
• Throat Infection (Pharyngeal Gonorrhea): This is almost always asymptomatic but can occasionally cause a sore throat.
• Eye Infection (Gonococcal Conjunctivitis): Can cause eye pain, sensitivity to light, and a pus-like discharge from one or both eyes.

Complications of Untreated Gonorrhea

If left untreated, the Neisseria gonorrhoeae bacteria can spread and cause severe and often permanent health problems.

In Women: The most serious complication of untreated gonorrhea in women is Pelvic Inflammatory Disease (PID). This occurs when bacteria move from the cervix to the uterus and fallopian tubes. PID can cause a spectrum of damage, including:

• Scar tissue formation can block the fallopian tubes.
• Ectopic pregnancy, a life-threatening condition where a fertilized egg implants outside the uterus, usually in a damaged fallopian tube.
• Infertility, inability to conceive due to blocked tubes.
• Chronic pelvic pain that can last years.

In Men: In men, gonorrhea can spread to the epididymis, the tube at the back of the testicles that stores and carries sperm. This painful condition, called epididymitis, can, in rare cases, lead to infertility if not treated.

In All Genders: Rarely, the infection can spread through the bloodstream to other parts of the body, a condition known as Disseminated Gonococcal Infection (DGI). DGI can cause arthritis (painful, swollen joints), tenosynovitis (inflammation of tendons), and dermatitis (skin sores).

Diagnosis is typically made through nucleic acid amplification tests (NAATs), which are highly sensitive and can detect gonorrhea in various body fluids and swabs.

Diagnostic steps:

• Urine test (most common for men)
• Vaginal or cervical swab (for women)
• Throat or rectal swab if oral or anal exposure is suspected
• Eye swab in newborns or adults with conjunctivitis

Routine screening is recommended for:

• Sexually active women under 25
• Men who have sex with men (MSM)
• Individuals with multiple partners or known exposure

What are the treatments for gonorrhea?

The good news is that gonorrhea is curable. However, treatment has been complicated by the remarkable ability of the Neisseria gonorrhoeae bacterium to develop antibiotic resistance over time. Many drugs that were once effective, like penicillin and ciprofloxacin, are no longer reliable.

Current Recommended Treatment

Because of widespread antibiotic resistance, it is essential that the most current and effective treatment guidelines are followed precisely. The CDC currently recommends a single-dose treatment for uncomplicated gonorrhea:

• A 500 mg intramuscular injection of the antibiotic ceftriaxone (CDC, 2021).

This single shot is highly effective against the currently circulating strains of gonorrhea. It is imperative that you receive the treatment exactly as prescribed by your healthcare provider. You should never attempt to use leftover antibiotics or medications not specifically prescribed for you, as this can be ineffective and contribute to further resistance.

The Challenge of Antibiotic Resistance

Gonorrhea has been classified as an urgent public health threat because of its ability to outsmart antibiotics. Ongoing surveillance is necessary to monitor resistance patterns and update treatment recommendations as needed. This is why a “test of cure,” a follow-up test to ensure the infection is gone, is sometimes recommended, especially for throat infections.

Partner Notification and Treatment

A critical part of managing gonorrhea is partner notification. Anyone diagnosed with gonorrhea must inform all of their sexual partners from the preceding 60 days so they can be tested and treated. This is the only way to prevent reinfection and stop the further spread of the infection within the community. This process, while potentially unpleasant, is a fundamental responsibility for personal and public health.

After treatment, it is recommended to abstain from all sexual contact for at least seven days after both you and your partner(s) have completed the full course of therapy and symptoms have resolved.

Gonorrhea is a serious bacterial infection that should not be underestimated. Its often-silent nature allows it to cause significant long-term harm, particularly to a woman’s reproductive health, while the growing threat of antibiotic resistance makes proper treatment more important than ever. The keys to combating this STI are prevention through safe sex practices, regular screening for those at risk, and immediate and appropriate treatment for anyone who is infected. There should be no shame or stigma in seeking STI care. Talking openly with a healthcare provider and partners is a sign of strength and responsibility.

• Centers for Disease Control and Prevention (CDC). (2021). Gonococcal Infections – STI Treatment Guidelines. Retrieved from https://www.cdc.gov/std/treatment-guidelines/gonorrhea.htm
• Centers for Disease Control and Prevention (CDC). (2024). Gonorrhea – CDC Basic Fact Sheet. Retrieved from https://www.cdc.gov/std/gonorrhea/stdfact-gonorrhea-detailed.htm
• World Health Organization (WHO). (2023). Multi-drug resistant gonorrhoea. Retrieved from https://www.who.int/news-room/fact-sheets/detail/multi-drug-resistant-gonorrhoea