Gonorrhea & Chlamydia
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Gonorrhea (symptom = pain during urination at penis forehead / woman's genital, and has stink greenish or yellowish discharge) and Chlamydia (symptom = extremely itchy feeling at whole penis / woman's genital) can be cured with simple antibiotic medication. No worry.... But don't leave it untreated as it might cause internal inflammation to both guys & girls and leads to infertility.
Herpes type 1 & 2, HPV (Human Papilloma Virus)
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Herpes type 1 & 2, HPV outbreak symptoms (Herpes type 1 = sores at mouth, Herpes type 2 = sore at genital parts, HPV = genital warts) are quite persistent at beginning, most people will feel depressed for sure to see the sore / warts growing at your private part, lolz... However once the outbreak symptoms go off after some times (up to 6 months for some ppl), then our own body will build up the immunity for these viruses. No worries too... However for ladies, need to go pap smear test once a year to ensure HPV virus won't cause cervix cancer (low chance anyway). Skin doctor can help to remove if you have genital warts. No worries... My friend had it once and he washed with Listerin mouth wash quite frequently, after some time the warts fell off and gone... but this is not a formal treatment so better go seek skin doctor treatment. They use laser or freezing methods to remove the genital warts. This is the quickest way.
HPV might also cause mouth/throat cancer through oral sex (chances = ??? unknown).
Once the HPV or Herpes viruses stay in your body, it will be forever. It can spread to your existing/next sex partner easily. But no worries... through the thousand years human evolution, our human body already can "control/contain" these viruses easily. When you do blood test, it always will show HPV or Herpes reading, but it won't do much harm our body anyway. For ladies they still can give birth to a healthy baby without problem.
Syphilis
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Syphilis (symptoms = fever, aches, weight loss, hair loss, aching joints, or lesions (sores) in the mouth or genital area) can be cured at beginning stage. No worries too. Just don't wait for too long. Seek doctor treatment ASAP. Otherwise it become incurable.
AIDS (HIV)
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The only worry is AIDS (HIV) lor... AIDS is incurable but you can live another 5 - 20 years with medication.
Hepatitis A, B, C
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For Hepatitis A (HAV), B (HBV), C (HCV), are easily spread through sex intercourse. So make sure you have the antibody for it. Just go to any clinic to take the Hepatitis A+B+C combined vaccine then you are safe forever.
Hepatitis A & C are 100% curable nowadays. Hepatitis B is incurable. But you can almost live until old age (>60 years old) with Hepatitis B in your body. Just take care you liver properly.
DON'T BE SHY AND SEEK TREATMENT EARLY. DON'T BE SCARED TO DEATH.

) Any private hospital also has the STD or Skin doctors available. Just go to information counter and tell the staff you are looking for STD treatment... They will recommend the suitable doctors for you.
I hope my explanation clears you all doubts. Simple right? Cheers...

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Bro, if got genital warts and the virus hpv will with me forever.. Can I still hv nx generation? then my girlfriend aka future wife how?