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Sexually Transmitted Diseases (STDs): Causes, Symptoms and Prevention

Published on 16 Feb 2026 WhatsApp Share | Facebook Share | X Share |
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Sexually Transmitted Diseases

Sexually Transmitted Diseases (STDs) are among the most common infectious conditions worldwide and can affect people of all ages, genders, and ethnicities. While some STDs cause noticeable symptoms, many can remain silent in the early stages, allowing the infection to progress and be unknowingly passed on to others. If left untreated for a long time, certain STDs can lead to serious health complications, including chronic pain, fertility issues, and increased risk of other infections. Understanding their causes, recognising early symptoms, and knowing how to prevent them are essential steps towards protecting both individual and public health.

What are Sexually Transmitted Diseases (STDs)?

Sexually Transmitted Diseases (STDs) are infections that are primarily spread through sexual contact, including vaginal, oral, and anal sex. These infections are caused by bacteria, viruses, or parasites and can be transmitted through bodily fluids, skin-to-skin contact, or blood. In some cases, STDs can also be passed from an infected mother to her baby during pregnancy, childbirth, or breastfeeding.

The terms STDs and STIs (Sexually Transmitted Infections) are often used interchangeably. However, an STI refers to the presence of an infection, while an STD indicates that the infection has led to noticeable disease or symptoms. Importantly, many people with STIs may not have symptoms but can still transmit the infection to others.

Because STDs do not always cause immediate or obvious signs, regular testing and awareness are essential for early detection and prevention of complications. Understanding what STDs are helps reduce stigma and encourages timely medical evaluation and treatment.

Common Types of Sexually Transmitted Diseases

Sexually transmitted diseases can be broadly classified based on the type of organism that causes the infection. Each group differs in how the infection progresses and how it is treated. Common types of STDs are:

Bacterial STDs

These infections are caused by bacteria and are usually curable with appropriate antibiotics when diagnosed early. Common bacterial STDs include:

  • Chlamydia
  • Gonorrhoea
  • Syphilis

Viral STDs

Viral STDs are caused by viruses. While some can be managed effectively, they may not always be completely cured and often require long-term monitoring or treatment. Examples include:

Parasitic STDs

These infections are caused by parasites and are generally treatable with medication. A common example is:

  • Trichomoniasis

The symptoms, complications, and treatment options vary depending on the type of STD. Early diagnosis plays a key role in effective treatment and in preventing transmission to others.

How STDs are Transmitted?

As the name suggests, sexually transmitted diseases are transmitted (spread) from one person to another through specific forms of contact. Understanding how STDs are transmitted helps reduce risk and supports effective prevention.

Common modes of transmission include:

  • Unprotected sexual contact: Vaginal, oral, or anal sex without barrier protection increases the risk of STD transmission.
  • Multiple sexual partners: Having more than one sexual partner, especially without regular testing, raises exposure risk.
  • Skin-to-skin contact: Some STDs, such as herpes and HPV, can spread through direct skin contact even without penetration.
  • Sharing needles or contaminated instruments: STDs such as HIV and hepatitis B can spread through shared needles or unsafe medical or cosmetic practices.
  • Mother-to-child transmission: Certain STDs can be passed from an infected mother to the baby during pregnancy, childbirth, or breastfeeding if not detected and treated.

It is important to note that STDs can be transmitted even when a person has no visible symptoms. This makes awareness, testing, and preventive practices essential for reducing spread.

Common Symptoms of STDs

Symptoms of sexually transmitted diseases can vary widely depending on the type of infection and the individual. In many cases, STDs may not cause any symptoms at all, especially in the early stages, which is why infections often go undetected without testing.

When symptoms do occur, they may include:

General Symptoms

  • Unusual discharge from the genitals
  • Burning or pain during urination
  • Genital itching, irritation, or sores
  • Pain during sexual intercourse
  • Lower abdominal or pelvic pain

Symptoms Commonly Seen in Men

  • Discharge from the penis
  • Pain or swelling in the testicles
  • Burning sensation while urinating

Symptoms Commonly Seen in Women

  • Unusual vaginal discharge or bleeding
  • Pelvic pain or discomfort
  • Pain or bleeding during or after sex

Because symptoms can be mild, intermittent, or mistaken for other conditions, relying on symptoms alone is not sufficient. Regular testing and medical evaluation are important, particularly after unprotected sexual contact or if there is concern about exposure.

Common Myths and Facts About Sexually Transmitted Diseases

Misinformation around sexually transmitted diseases is common and can prevent people from seeking timely testing or treatment. Understanding the facts helps promote safer behaviour and better health decisions.

Myth: Only people with multiple sexual partners get STDs

Fact: Anyone who is sexually active can get an STD. Even a single unprotected sexual encounter can result in infection.

Myth: STDs always cause obvious symptoms

Fact: Many STDs can remain asymptomatic for long periods. A person may feel completely well and still carry or transmit an infection.

Myth: STDs can be identified just by looking at symptoms

Fact: Symptoms alone are not reliable. Accurate diagnosis requires medical evaluation and laboratory testing.

Myth: Using condoms completely eliminates the risk of STDs

Fact: Condoms significantly reduce the risk of many STDs but do not provide 100% protection, especially against infections spread through skin-to-skin contact such as herpes or HPV.

Myth: STDs go away on their own if symptoms improve

Fact: Some symptoms may temporarily subside, but the infection can persist and cause long-term complications if not treated properly.

Myth: STD testing is embarrassing or unsafe

Fact: STD testing is a routine medical process conducted confidentially and professionally. Early testing helps protect both individual and partner health.

When to See a Doctor?

Medical consultation is important if early evaluation helps ensure timely treatment and reduces the risk of complications or further transmission.

A doctor should be consulted if there is:

  • Symptoms such as genital sores, unusual discharge, itching, or pain during urination
  • Symptoms following unprotected sexual contact
  • A sexual partner who has been diagnosed with an STD
  • Persistent or recurring genital symptoms, even if mild
  • Concerns about fertility, pelvic pain, or testicular discomfort

Seeking medical advice promptly allows for accurate diagnosis, appropriate treatment, and guidance on preventing transmission to others.

How are STDs Diagnosed?

Diagnosing sexually transmitted diseases involves a combination of medical history, physical examination, and laboratory testing. Because many STDs do not cause noticeable symptoms, testing plays a crucial role in early detection and timely treatment.

Diagnostic methods may include:

  • Blood tests: Used to detect infections such as HIV, syphilis, and hepatitis.
  • Urine tests: Commonly used to diagnose infections such as chlamydia and gonorrhoea.
  • Swab tests: Samples may be taken from the genitals, throat, or rectum to identify specific infections.
  • Physical examination: A doctor may examine visible sores, rashes, or discharge to guide testing.

The type of test recommended depends on symptoms, sexual history, and possible exposure. Regular testing is advised for sexually active individuals, even in the absence of symptoms, to prevent complications and reduce transmission.

Why Early Diagnosis and Treatment Matter?

Early diagnosis and timely treatment of sexually transmitted diseases play a crucial role in protecting both individual health and public health. When detected early, many STDs can be treated effectively, reducing the risk of long-term complications.

Untreated STDs may lead to serious health issues such as chronic pelvic pain, infertility, pregnancy-related complications, and increased susceptibility to other infections. In some cases, infections can progress silently and cause severe damage before symptoms become noticeable. Early treatment also helps prevent the spread of infection to sexual partners and, in certain situations, from mother to child.

Regular testing, timely medical consultation, and adherence to prescribed treatment not only improve treatment outcomes for the individual but also contribute to reducing the overall burden of STDs in the community.

Prevention Strategies for STDs

Preventing sexually transmitted diseases involves adopting safe practices, staying informed, and seeking timely medical care. Prevention is most effective when approached without stigma and with a focus on personal and public health.

Key prevention strategies include:

  • Practising safe sex, including consistent and correct use of condoms, which significantly reduces the risk of many STDs
  • Regular testing, especially for individuals who are sexually active or have multiple partners, even if there are no symptoms
  • Limiting the number of sexual partners, which helps reduce exposure risk
  • Vaccination, where available, such as vaccines for hepatitis B and HPV
  • Open communication with partners about sexual health, testing history, and prevention
  • Avoiding sharing needles or sharp instruments, and ensuring safe medical or cosmetic procedures

Adopting these measures helps protect individual health and reduces the spread of infections within the community.

If you’ve had unprotected sex or multiple partners, routine STD screening is strongly recommended.

Getting the Right Evaluation and Care

Sexually transmitted diseases require timely diagnosis, appropriate treatment, and complete confidentiality. Because many STDs may not cause early symptoms, access to reliable testing and specialist guidance is essential for accurate evaluation and safe management.

At Artemis Hospitals, STD-related concerns are addressed through discreet consultations, evidence-based testing, and structured treatment protocols. Care focuses on early detection, effective treatment, counselling, and guidance on prevention to protect long-term health.

To book an appointment with a specialist at Artemis Hospitals, call +91-124-451-1111 or WhatsApp +91 98004 00498. Appointments can also be scheduled through the online patient portal or by downloading and registering on the Artemis Personal Health Record mobile app, available for both iOS and Android devices.

Article by Dr. Renu Raina Sehgal
Chairperson - Department of Obstetrics & Gynaecology
Artemis Hospitals

Frequently Asked Questions

Can I get sexually transmitted diseases from kissing?

The risk of getting an STD from kissing is very low. However, infections such as herpes can rarely spread through close oral contact if active sores are present. Most STDs are transmitted through sexual contact rather than casual kissing.

Can a prostate infection be sexually transmitted?

Most prostate infections are not sexually transmitted. However, certain sexually transmitted bacteria can occasionally contribute to prostate inflammation. A medical evaluation is needed to determine the exact cause.

What are the top 10 sexually transmitted diseases?

Commonly reported STDs include chlamydia, gonorrhoea, syphilis, HIV, HPV, herpes, hepatitis B, trichomoniasis, chancroid, and lymphogranuloma venereum. Prevalence may vary by region and population.

Can STDs be present without showing any symptoms?

Yes. Many STDs can remain asymptomatic, especially in the early stages. People without symptoms can still transmit infections, which is why regular testing is important.

What are the early signs of STDs in men?

Early signs in men may include discharge from the penis, burning during urination, genital sores, itching, or testicular discomfort. Some infections may not cause any early symptoms.

How soon do STD symptoms appear after exposure?

The time between exposure and symptoms varies by infection. Some symptoms may appear within a few days, while others may take weeks or months. In some cases, symptoms may never appear.

Are STDs curable or only manageable?

Some STDs, particularly bacterial and parasitic infections, are usually curable with appropriate treatment. Viral STDs may not be completely curable but can often be effectively managed with medical care.

Is it possible to get an STD from oral sex?

Yes. STDs such as gonorrhoea, chlamydia, herpes, syphilis, and HPV can be transmitted through oral sex, even if there are no visible symptoms.

How often should sexually active individuals get tested for STDs?

Testing frequency depends on individual risk factors. Sexually active individuals, especially those with new or multiple partners, are generally advised to undergo regular screening as recommended by a doctor.

Where can I get STD testing near me?

STD testing is available at multispecialty hospitals and diagnostic centres. At Artemis Hospitals, confidential STD testing is offered as part of comprehensive diagnostic services.

Which doctor should I consult for STD treatment near me?

STDs are typically evaluated and treated by physicians, dermatologists, urologists, or gynaecologists, depending on the symptoms and individual needs. At Artemis Hospitals, STD care is supported by experienced specialists and comprehensive diagnostic services, ensuring accurate evaluation, appropriate treatment, and complete confidentiality.

Which is the best hospital near me for STD testing and treatment?

A suitable hospital for STD care should offer confidentiality, reliable testing, and specialist-led treatment. Artemis Hospitals, Gurgaon provides comprehensive STD evaluation and management in a discreet clinical setting.

How can I book an appointment for STD testing at Artemis Hospital Gurgaon?

Appointments can be booked by calling +91-124-451-1111 or WhatsApp +91 98004 00498. Booking is also available through the online patient portal or the Artemis Personal Health Record mobile app.

World Of Artemis

Artemis Hospitals, established in 2007, is a healthcare venture launched by the promoters of the 4$ Billion Apollo Tyres Group. It is spread across a total area of 525,000 square feet.

To know more
For any inquiries, appointment bookings, or general concerns, reach us at contactus@artemishospitals.com.
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