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Several sexually transmitted infections (STIs) are common in men, and many can be asymptomatic—which means they can go unnoticed and unintentionally passed to others. Early detection and treatment are key.
🧬 Most Common STIs in Men:
1. Chlamydia
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Most common bacterial STI
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Often has no symptoms
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When present: burning during urination, discharge from penis, pain/swelling in testicles
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Easily treated with antibiotics
2. Gonorrhea
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Frequently occurs with chlamydia
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Symptoms: white/yellow/green discharge, painful urination, swollen testicles
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Can cause infertility if untreated
3. Human Papillomavirus (HPV)
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Most common viral STI
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Often has no symptoms
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Can cause genital warts or lead to penile, anal, or throat cancer
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Vaccine available (recommended up to age 45)
4. Herpes Simplex Virus (HSV-1 & HSV-2)
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Causes genital or oral sores (blisters that break open and heal)
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Can be spread even without visible symptoms
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No cure, but antiviral meds can reduce outbreaks and transmission
5. Syphilis
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Bacterial infection with stages
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Stage 1: painless sore (chancre)
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Stage 2: rash, flu-like symptoms
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Can progress to brain, heart, and nerve damage if untreated
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Treated with antibiotics
6. HIV (Human Immunodeficiency Virus)
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Attacks the immune system
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Early symptoms: flu-like illness, fatigue, swollen lymph nodes
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Can be managed with antiretroviral therapy (ART)
7. Trichomoniasis
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Caused by a parasite
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Often has no symptoms in men
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May cause irritation, burning, or slight discharge
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Treatable with medication
✅ Prevention Tips:
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Use condoms consistently
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Get tested regularly (especially if sexually active with new or multiple partners)
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Get vaccinated (HPV and hepatitis B)
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Communicate openly with partners about sexual health