- Chlamydia is a sexually transmitted infection caused by the bacterium Chlamydia trachomatis.
In women, symptoms may include abnormal vaginal discharge, burning
during urination, and bleeding in between periods, although most women
do not experience any symptoms. Symptoms in men include pain when urinating, and abnormal discharge from their penis. If left untreated in both men and women, Chlamydia can infect the urinary tract and potentially lead to pelvic inflammatory disease
(PID). PID can cause serious problems during pregnancy and even has the
potential to cause infertility. It can cause a woman to have a
potentially deadly ectopic pregnancy, in which the child is born outside
of the uterus. However, Chlamydia can be cured with antibiotics.
- The two most common forms of herpes are caused by infection with herpes simplex virus
(HSV). HSV-1 is typically acquired orally and causes cold sores, HSV-2
is usually acquired during sexual contact and affects the genitals,
however either strain may affect either site.
Some people are asymptomatic or have very mild symptoms. Those that do
experience symptoms usually notice them 2 to 20 days after exposure
which last 2 to 4 weeks. Symptoms can include small fluid-filled
blisters, headaches, backaches, itching or tingling sensations in the
genital or anal area, pain during urination, Flu like symptoms,
swollen glands, or fever. Herpes is spread through skin contact with a
person infected with the virus. The virus affects the areas where it
entered the body. This can occur through kissing, vaginal intercourse,
oral sex or anal sex. The virus is most infectious during times when
there are visible symptoms, however those who are asymptomatic can still
spread the virus through skin contact.
The primary attack is the most severe because the body does not have
any antibodies built up. After the primary attack, one might have
recurring attacks that are milder or might not even have future attacks.
There is no cure for the disease but there are antiviral medications
that treat its symptoms and lower the risk of transmission (Valtrex).
Although HSV-1 is typically the "oral" version of the virus, and HSV-2
is typically the "genital" version of the virus, a person with HSV-1
orally CAN transmit that virus to their partner genitally. The virus,
either type, will settle into a nerve bundle either at the top of the
spine, producing the "oral" outbreak, or a second nerve bundle at the
base of the spine, producing the genital outbreak.
- The human papillomavirus (HPV) is the most common STI in the United States.
There are more than 40 different strands of HPV and many do not cause
any health problems. In 90% of cases the body’s immune system clears the
infection naturally within 2 years.
Some cases may not be cleared and can lead to genital warts (bumps
around the genitals that can be small or large, raised or flat, or
shaped like cauliflower) or cervical cancer and other HPV related
cancers. Symptoms might not show up until advanced stages. It is
important for women to get pap smears in order to check for and treat
cancers. There are also two vaccines available for women (Cervarix and Gardasil)
that protect against the types of HPV that cause cervical cancer. HPV
can be passed through genital-to-genital contact as well as during oral
sex. It is important to remember that the infected partner might not
have any symptoms.
Gonorrhea
is caused by bacterium that lives on moist mucous membranes in the
urethra, vagina, rectum, mouth, throat, and eyes. The infection can
spread through contact with the penis, vagina, mouth or anus. Symptoms
of Gonorrhea usually appear 2 to 5 days after contact with an infected
partner however, some men might not notice symptoms for up to a month.
Symptoms in men include burning and pain while urinating, increased
urinary frequency, discharge from the penis (white, green, or yellow).
Prevention
Prevention is key in addressing incurable STIs, such as HIV and herpes. Sexual health clinics promote the use of condoms and provide outreach for at-risk communities.
The most effective way to prevent sexual transmission of STIs is to
avoid contact of body parts or fluids which can lead to transfer with an
infected partner. Not all sexual activities involve contact: cybersex, phonesex or masturbation from a distance are methods of avoiding contact. Proper use of condoms
reduces contact and risk. Although a condom is effective in limiting
exposure, some disease transmission may occur even with a condom.[65]
Both partners should get tested for STIs before initiating sexual
contact, or before resuming contact if a partner engaged in contact with
someone else. Many infections are not detectable immediately after
exposure, so enough time must be allowed between possible exposures and
testing for the tests to be accurate. Certain STIs, particularly certain
persistent viruses like HPV, may be impossible to detect with current
medical procedures.
Many diseases that establish permanent infections can so occupy the
immune system that other diseases become more easily transmitted. The innate immune system led by defensins
against HIV can prevent transmission of HIV when viral counts are very
low, but if busy with other viruses or overwhelmed, HIV can establish
itself. Certain viral STI's also greatly increase the risk of death for
HIV infected patients.
Vaccines
Vaccines are available that protect against some viral STIs, such as Hepatitis A, Hepatitis B, and some types of HPV. Vaccination before initiation of sexual contact is advised to assure maximal protection.
Condoms
Condoms and female condoms
only provide protection when used properly as a barrier, and only to
and from the area that it covers. Uncovered areas are still susceptible
to many STIs.
In the case of HIV, sexual transmission routes almost always involve
the penis, as HIV cannot spread through unbroken skin; therefore,
properly shielding the penis with a properly worn condom from the vagina
or anus effectively stops HIV transmission. An infected fluid to broken
skin borne direct transmission of HIV would not be considered "sexually
worn condom from the vagina or anus effectively stops HIV
transmission. An infected fluid to broken skin borne direct transmission
of HIV would not be considered "sexually transmitted", but can still
theoretically occur during sexual contact. This can be avoided simply by
not engaging in sexual contact when presenting open, bleeding wounds.
Other STIs, even viral infections, can be prevented with the use of
latex, polyurethane or polyisoprene condoms as a barrier. Some
microorganisms and viruses are small enough to pass through the pores in
natural skin condoms, but are still too large to pass through latex or
synthetic condoms.
Proper male condom usage entails:
- Not putting the condom on too tight at the end, and leaving 1.5 cm (3/4 inch) room at the tip for ejaculation. Putting the condom on snug can and often does lead to failure.
- Wearing a condom too loose can defeat the barrier.
- Avoiding inverting or spilling a condom once worn, whether it has ejaculate in it or not.
- If a user attempts to unroll the condom, but realizes they have it on the wrong side, then this condom should be discarded.
- Being careful with the condom if handling it with long nails.
- Avoiding the use of oil-based lubricants (or anything with oil in it) with latex condoms, as oil can eat holes into them.
- Using flavored condoms for oral sex only, as the sugar in the flavoring can lead to yeast infections if used to penetrate.
In order to best protect oneself and the partner from STIs, the old
condom and its contents should be assumed to be infectious. Therefore
the old condom must be properly disposed of. A new condom should be used
for each act of intercourse, as multiple usage increases the chance of
breakage, defeating the effectiveness as a barrier. |
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