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STD Symptoms in Men

Published on Feb 06, 2025 | 10:10 AM

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STIs and STDs, which are sometimes collectively referred to as STDs, are more common in men than many realize. Many men assume they would know if they had an STD, but some infections remain silent for weeks, months, or even years. Without testing and treatment, an infection can be unknowingly transmitted or lead to serious health complications like infertility or chronic pain

Understanding common symptoms, practicing prevention strategies, and getting tested regularly are essential for maintaining sexual health.

What Is an STD?

A sexually transmitted disease (STD) is an infection spread through sexual contact, including vaginal, oral, and anal sex. Caused by bacteria, viruses, or parasites, STDs can lead to symptoms or long-term health issues if untreated. 

The term sexually transmitted infection (STI) refers to an infection that may not yet cause symptoms or develop into a disease. All STDs start as STIs, but not all STIs progress into diseases. Because of this overlap, both terms are often referred to simply as STDs.

Unique STD Susceptibilities in Men

Men face specific challenges when it comes to STDs and STIs, from delayed detection to unique health risks.

Understanding these risks is key to taking proactive steps toward prevention and early treatment. Here are some key factors that make men uniquely susceptible to STDs:

  • Delayed Diagnosis – Many men don’t seek testing until symptoms appear, increasing the risk of unknowingly spreading infections.
  • Asymptomatic Infections – Some STDs, like HPV and herpes, can remain dormant or cause mild symptoms that go unnoticed.
  • Higher Risk of Certain Complications – Untreated infections can lead to conditions like epididymitis (inflammation of the testicles), prostatitis, or an increased risk of certain cancers.
  • Less Routine Screening – Unlike women, men don’t have regular STI screenings as part of standard medical exams, making early detection less common.
  • High-Risk Behaviors – Unprotected sex, multiple partners, and lack of awareness about STD risks contribute to higher transmission rates.

General STD and STI Red Flags for Men

STD red flags for men

Many STDs and STIs show little to no symptoms, making regular testing crucial. However, certain red flags—such as pain during urination, unusual discharge, or sores—can signal an infection.

  • A burning sensation or pain when urinating
  • Itching, redness, or irritation in the genital area
  • Discomfort or pain during ejaculation or sex
  • Swelling or tenderness in the testicles
  • Sores, blisters, or ulcers on or around the genitals or mouth

Since some signs of an STD in men can overlap with other conditions like urinary tract infections or skin irritations, they don’t necessarily indicate an STD. Any unusual changes should still be evaluated by a healthcare provider for proper diagnosis and treatment.

Specific Symptoms of an STD in Men

Each STD and STI presents differently, with some causing noticeable symptoms and others remaining silent. Below is a breakdown of common infections and their symptoms in men:

Chlamydia

Chlamydia is one of the most common STDs in men and is often asymptomatic, making regular testing critical. When symptoms do appear, they may include:

  • Clear, white, or yellow discharge from the penis
  • Pain or burning during urination
  • Swelling or tenderness in the testicles
  • Discomfort in the lower abdomen
  • Rectal pain, bleeding, or discharge (from anal sex)

Gonorrhea

Gonorrhea can go unnoticed in its early stages but may lead to serious complications if left untreated. Symptoms in men can include:

  • Thick, yellow, white, or green discharge from the penis
  • Pain or burning during urination
  • Swollen or painful testicles
  • Persistent sore throat (if contracted through oral sex)
  • Rectal pain, bleeding, or discharge (from anal sex)

Herpes (HSV-1 and HSV-2)

Herpes may not always cause noticeable symptoms, but outbreaks typically involve painful sores or blisters. Signs of infection can include:

  • Painful blisters or sores around the genitals, anus, or mouth
  • Itching, tingling, or burning sensations before sores appear
  • Flu-like symptoms during the initial outbreak, such as fever and swollen lymph nodes

Human Papillomavirus (HPV)

Most HPV infections do not cause symptoms, but some strains can lead to visible or long-term health concerns. Signs of HPV in men may include:

  • Genital warts (small, flesh-colored, or cauliflower-like bumps)
  • Warts in the mouth or throat (if contracted through oral sex)
  • Increased risk of penile, anal, or throat cancer with high-risk strains

Syphilis

Syphilis progresses in stages, with different symptoms at each stage. If left untreated, it can cause serious long-term complications.

  • Primary stage: A single, painless sore (chancre) at the infection site
  • Secondary stage: A widespread rash, flu-like symptoms, swollen lymph nodes
  • Tertiary stage: Damage to organs such as the heart, brain, and nervous system

Trichomoniasis

Trichomoniasis often causes mild or no symptoms in men, making it easy to overlook. When symptoms do appear, they may include:

  • Itching or irritation inside the penis
  • A thin, white discharge
  • Burning sensation after urination or ejaculation
  • Frequent urge to urinate

HIV/AIDS

HIV symptoms vary depending on the stage of infection. Early detection and treatment are crucial for managing the virus and preventing progression.

  • Acute stage: Flu-like symptoms such as fever, sore throat, swollen lymph nodes, night sweats, headaches, mouth ulcers, rash, muscle pain, and joint pain
  • Chronic stage: Symptoms may be absent for years, but some may experience persistent fatigue, night sweats, weight loss, weak immune system, and frequent infections
  • Advanced stage (AIDS): Rapid weight loss, chronic diarrhea, frequent infections, unexplained bruising or bleeding, persistent fevers, extreme fatigue, night sweats, memory loss, and confusion.

The Risks of Untreated STDs and STIs in Men

Ignoring an STD or STI can lead to serious health complications, even if symptoms seem mild or nonexistent.

Many infections, such as chlamydia and gonorrhea, can spread to the reproductive system, causing urethritis (inflammation of the urethra), which leads to painful urination and discomfort. If left untreated, these infections may also cause epididymitis, resulting in testicular pain and potential infertility due to long-term damage to the reproductive organs.

Men with untreated STDs are also at an increased risk of contracting other STIs, including HIV, as some infections weaken the immune system and make the body more susceptible to additional infections. Chronic viral infections, such as HPV, can lead to penile, anal, or throat cancer, while advanced syphilis and HIV can cause irreversible damage to the heart, brain, and nervous system.

Even minor symptoms like irritation, discharge, or sores should never be ignored, as early detection and treatment are crucial for preventing long-term health consequences.

Preventing STDs and STIs in Men

Preventing STDs and STIs in Men

The best way to protect yourself from STDs and STIs is through a combination of safe sex practices, regular screenings, and informed decision-making. Using condoms or dental dams consistently reduces the risk of transmission, though no method is 100% foolproof.

Vaccinations for preventable infections like HPV and hepatitis B provide additional protection. Regular testing is essential, especially if you have multiple partners or engage in high-risk behaviors, as many infections show no symptoms. Open communication with sexual partners about health history and STI testing can also help reduce risks.

Avoiding unprotected sex, limiting the number of sexual partners, and never sharing needles are key steps in preventing infection. Taking proactive measures ensures better sexual health and lowers the risk of long-term complications.

What to Do If You Have Symptoms

If you suspect you may have an STD or STI, taking immediate action is crucial to protect both your health and your partners. Follow these steps:

  1. Stop Sexual Activity
    Avoid any sexual contact until you have been tested and treated to prevent spreading a potential infection.
  2. Seek Medical Care
    Visit a healthcare provider to discuss your symptoms and get evaluated.
  3. Get Tested
    Testing may involve urine, blood, or swab tests, depending on the suspected infection.
  4. Follow Treatment Instructions
    If diagnosed, take all prescribed medications as directed, even if symptoms improve before completing treatment.
  5. Inform Your Partner(s)
    Let current and recent partners know so they can get tested and treated if necessary. Many clinics offer resources to assist with partner notification.
  6. Attend Follow-Ups
    Return for any necessary follow-up appointments to confirm treatment success and address any concerns.

FAQs About STDs and STIs in Men

What is the most common STD in males?

Human papillomavirus (HPV) is the most common, though chlamydia, gonorrhea, and herpes are also widespread.

Can male STDs be cured?

Bacterial STDs like chlamydia, gonorrhea, and syphilis can be cured with antibiotics, but viral infections like herpes and HIV require lifelong management.

How long does it take for an STD to show up in a guy?

It varies by infection—some STDs, like gonorrhea and chlamydia, may show symptoms within days, while others, like HIV or HPV, can take weeks or even months.

Discreet and Easy STD Treatment for Men

If you’re concerned about STDs or STIs, Call-On-Doc offers a fast, private, and hassle-free way to get tested and treated. Our online sexual health services allow you to receive care discreetly—no video calls or in-person visits required. With lab testing and a range of online STD treatment options available, you can take control of your health from the comfort of your home.

We also offer 50% off expedited partner treatment, ensuring both you and your partner get the care you need quickly and effectively.

Don’t wait to address your sexual health—get tested and treated with convenience and privacy. Your well-being is our priority.

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Wayne C. Hahne,

English graduate and Call-On-Doc’s medical resource guide, Wayne C. Hahne is an experienced and passionate medical education content expert. Through diligent research, provider interviews and utilizing the industry's leading resources for wellness information, it is Mr. Hahne’s personal mission to educate the general public on medical conditions with in-depth and easy-to-understand written guides.

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