Sexually transmitted diseases, or STDs, are those infections that are caused by indulging in sexual activities. Any man who is straight, gay, single or married can get infected with an STD infection.

There are various sexually transmitted diseases a man can get infected with.

• Chlamydia
• Genital herpes
• Genital warts or human papillomavirus
• Gonorrhea
• Cytomegalovirus
• Pubic lice
• Scabies
• Syphilis

Symptoms of STDs in men

• Burning sensation when urinating
• Yellowish, thick or white and watery discharge or a drip from penis
• Increased frequency in urination
• Bumps, blisters, or sores developing near the mouth or head of the penis and near testicles
• Cloudy urine
• Itching, tingling, pain and burning genitals
• Prostatitis or deep pelvic ache
• Crusting at the tip of penis

Chlamydia is a bacterial infection disease transmitted when people have sexual relations. It is the most common sexually transmitted disease (STD). The bacteria Chlamydia trachomatis, causes the infection Chlamydia.

Genital herpes is a sexually transmitted disease (STD) caused by the herpes simplex viruses type 1 (HSV-1) or type 2 (HSV-2). Genital herpes can cause recurrent painful genital sores in many adults, and herpes infection can be severe in people with suppressed immune systems.

Genital warts usually appear as a small bump or groups of bumps in the genital area. They can be small or large, raised or flat, or shaped like a cauliflower. Human papillomavirus (HPV) is one of the most common causes of sexually transmitted infection (STI) in the world.

Gonorrhea is caused by Neisseria gonorrhea, a bacterium that grows and multiplies quickly in moist, warm areas of the body such as the cervix, urinary tract, mouth, or rectum. In a man, gonorrhea can cause urethritis and penile discharge. Gonorrhea can also be spread from a man's penis to the throat of his sex partner during oral sex.

Cytomegalovirus (CMV) is a type of herpes virus that often causes asymptomatic infection in healthy persons. CMV gets into body fluids, such as saliva, blood, urine, semen and breast milk. It can be spread from one person to another through sexual contact and contact with blood and other body fluids.

Syphilis is a sexually transmitted disease caused by bacteria. It may be passed through blood transfusions or from mother to fetus. Syphilis can cause irreversible damage to the brain, nerves, and body tissues.

Pubic lice are parasitic insects found in the pubic or genital area of humans.