They are likely to help prevent STD's but cannot be the 100% guarantee that the disease won't spread. The only 100% sure fire way is to totally abstain from all sexual activity. You can insist that you and your new partner get tested before engaging in sex...and remain monogamous afterward.
Unless they break during intercourse.
They are not very effective in preventing HIV transmission. They are probably better than nothing, but lamb skin condoms have microscopic holes in them - the holes are small enough so that sperm cannot pass through, but STDs and HIV are still a risk.
AIDs is a sexually transmitted disease that can be easily prevented with the right protection. Abstinence, having absolutely no sexual intercourse, is 100% effective in preventing AIDs. Condoms are effective in preventing AIDs as long as they do not break.
Ornidazole will not be effective at curing chlamydia.
condoms provide effective transmission against gonorrhea, chlamydia, syphilis, chancroid, and trichomoniasis. A measure of protection is also provided against hepatitis B virus (HBV), human papillomavirus (HPV), and herpes
A combination of condoms and a diaphragm are reliable and cost effective for college age students. Used together they are very effective at preventing both pregnancy and the spread of STD's.
Latex male condoms can be up to 99% effective at preventing pregnancy when used correctly. Check out www.plannedparenthood.org for a comprehensive look at how to use them and why they're more effective than other OTC methods.
Condoms
No you are not 100% safe condoms only protect you with certain STD not all. Syphilis. and genital warts are not passed in semen but by contact with genitals of an infected person. Also condoms are only 94-97% effective against gonorrhea and chlamydia , and HIV. So if you know or think he has been cheating protect yourself and go get tested.
No, condoms are not effective if they go through the laundry. The heat from the washer and dryer will weaken the rubber of the condom. Even non-latex condoms cannot withstand washing.
Trojan makes Trojan condoms. They are great for preventing pregnancies. For full effectiveness use a pregnancy pill along with the condoms, though this isn't 100% safe.
Mefloquine is an antiprotozoal, and does not treat bacterial infections. It will not cure chlamydia.