trichomoniasis

Trichomoniasis is a sexually transmitted infection (STI) caused by a parasite. It spreads from person to person during sex. Many people do not have any symptoms. If you do get symptoms, they usually happen within 5 to 28 days after being infected.

It can cause vaginitis in women. Symptoms include:

• Yellow-green or gray discharge from the vagina
• Discomfort during sex
• Vaginal odor
• Painful urination
• Itching burning, and soreness of the vagina and vulva

Most men do not have symptoms. If they do, they may have:

• Itching or irritation inside the penis
• Burning after urination or ejaculation
• Discharge from the penis

Trichomoniasis can increase the risk of getting or spreading other sexually transmitted infections. Pregnant women with trichomoniasis are more likely to give birth too early, and their babies are more likely have a low birth weight.

Lab tests can tell if you have the infection. Treatment is with antibiotics. If you are infected, you and your partner must be treated.

Correct usage of latex condoms greatly reduces, but does not eliminate, the risk of catching or spreading trichomoniasis. If your or your partner is allergic to latex, you can use polyurethane condoms. The most reliable way to avoid infection is to not have anal, vaginal, or oral sex.

Centers for Disease Control and Prevention

Vaginitis, also called vulvovaginitis, is an inflammation or infection of the vagina. It can also affect the vulva, which is the external part of a woman's genitals. Vaginitis can cause itching, pain, discharge, and odor.

Vaginitis is common, especially in women in their reproductive years. It usually happens when there is a change in the balance of bacteria or yeast that are normally found in your vagina. There are different types of vaginitis, and they have different causes, symptoms, and treatments.

Bacterial vaginosis (BV) is the most common vaginal infection in women ages 15-44. It happens when there is an imbalance between the "good" and "harmful" bacteria that are normally found in a woman's vagina. Many things can change the balance of bacteria, including:

• Taking antibiotics
• Douching
• Using an intrauterine device (IUD)
• Having unprotected sex with a new partner
• Having many sexual partners

Yeast infections (candidiasis) happen when too much candida grows in the vagina. Candida is the scientific name for yeast. It is a fungus that lives almost everywhere, including in your body. You may have too much growing in the vagina because of:

• Antibiotics
• Pregnancy
• Diabetes, especially if it is not well-controlled
• Corticosteroid medicines

Trichomoniasis can also cause vaginitis. Trichomoniasis is a common sexually transmitted infection (STI). It is caused by a parasite.

You can also have vaginitis if you are allergic or sensitive to certain products that you use. Examples include vaginal sprays, douches, spermicides, soaps, detergents, or fabric softeners. They can cause burning, itching, and discharge.

Hormonal changes can also cause vaginal irritation. Examples are when you are pregnant or breastfeeding, or when you have gone through menopause.

Sometimes you can have more than one cause of vaginitis at the same time.

The symptoms of vaginitis depend on which type you have.

With BV, you may not have symptoms. You could have a thin white or gray vaginal discharge. There may be an odor, such as a strong fish-like odor, especially after sex.

Yeast infections produce a thick, white discharge from the vagina that can look like cottage cheese. The discharge can be watery and often has no smell. Yeast infections usually cause the vagina and vulva to become itchy and red.

You may not have symptoms when you have trichomoniasis. If you do have them, they include itching, burning, and soreness of the vagina and vulva. You may have burning during urination. You could also have gray-green discharge, which may smell bad.

To find out the cause of your symptoms, your health care provider may:

• Ask you about your medical history
• Do a pelvic exam
• Look for vaginal discharge, noting its color, qualities, and any odor
• Study a sample of your vaginal fluid under a microscope

In some cases, you may need more tests.

The treatment depends on which type of vaginitis you have.

BV is treatable with antibiotics. You may get pills to swallow, or cream or gel that you put in your vagina. During treatment, you should use a condom during sex or not have sex at all.

Yeast infections are usually treated with a cream or with medicine that you put inside your vagina. You can buy over-the-counter treatments for yeast infections, but you need to be sure that you do have a yeast infection and not another type of vaginitis. See your health care provider if this is the first time you have had symptoms. Even if you have had yeast infections before, it is a good idea to call your health care provider before using an over-the-counter treatment.

The treatment for trichomoniasis is usually a single-dose antibiotic. Both you and your partner(s) should be treated, to prevent spreading the infection to others and to keep from getting it again.

If your vaginitis is due to an allergy or sensitivity to a product, you need to figure out which product is causing the problem. It could be a product that you started using recently. Once you figure it out, you should stop using the product.

If the cause of your vaginitis is a hormonal change, your health care provider may give you estrogen cream to help with your symptoms.

It is important to treat BV and trichomoniasis, because having either of them can increase your risk for getting HIV or another STI. If you are pregnant, BV or trichomoniasis can increase your risk for preterm labor and preterm birth.

To help prevent vaginitis:

• Do not douche or use vaginal sprays.
• Use a latex condom when having sex. If your or your partner is allergic to latex, you can use polyurethane condoms.
• Avoid clothes that hold in heat and moisture.
• Wear cotton underwear.

Sexually transmitted infections (STIs), or sexually transmitted diseases (STDs), are infections that are passed from one person to another through sexual contact. They are usually spread during vaginal, oral, or anal sex. But sometimes they can spread through other sexual contact involving the penis, vagina, mouth, or anus. This is because some STIs, like herpes and HPV, are spread by skin-to-skin contact.

Some STIs can be passed from a pregnant person to the baby, either during pregnancy or when giving birth. Other ways that some STIs may be spread include during breastfeeding, through blood transfusions, or by sharing needles.

There are more than 20 types of STIs, including:

• Chlamydia
• Genital herpes
• Gonorrhea
• HIV
• HPV
• Pubic lice
• Syphilis
• Trichomoniasis

STIs can be caused by bacteria, viruses, and parasites.

Most STIs affect both men and women, but in many cases the health problems they cause can be more severe for women. If an STI is passed to a baby, it can cause serious health problems.

STIs don't always cause symptoms or may only cause mild symptoms. So it is possible to have an infection and not know it. And even without symptoms, STIs can still be harmful and may be passed on during sex.

If there are symptoms, they could include:

• Unusual discharge from the penis or vagina
• Sores or warts on the genital area
• Painful or frequent urination (peeing)
• Itching and redness in the genital area
• Blisters or sores in or around the mouth
• Abnormal vaginal odor
• Anal itching, soreness, or bleeding
• Abdominal (belly) pain
• Fever

If you are sexually active, you should talk to your health care provider about your risk for STIs and whether you need to be tested. This is especially important since many STIs do not usually cause symptoms.

Some STIs may be diagnosed during a physical exam or through STI testing. Some tests involve a microscopic examination of a sore or fluid swabbed from the vagina, penis, or anus. Blood tests can diagnose other types of STIs.

Antibiotics can treat STIs that are caused by bacteria or parasites. There is no cure for STIs caused by viruses, but antiviral medicines can often help with the symptoms and lower your risk of spreading the infection.

It's important to get treatment if you have an STI. Some types of STIs can cause serious health problems if they are not treated.

The surest way to protect yourself against STIs is to not have sex.

If you do decide to have sex, you can lower your risk of getting an STI by:

• Having you and your partner tested for STIs before having sex.
• Using a condom every time you have sex. Correct usage of latex condoms greatly reduces, but does not completely eliminate, the risk of catching or spreading STIs. If your or your partner is allergic to latex, you can use polyurethane condoms.
• Reducing your number of sex partners. You might even consider "mutual monogamy" with just one partner. This means that you agree to be sexually active only with them, and they agree to be sexually active only with you. But first you should both get tested to make sure that you don't already have an STI.
• Getting vaccinated against HPV and hepatitis B.

Teen sexual health is about how sex affects your physical and emotional health. It means knowing how to form healthy relationships and making decisions about sex that are right for you.

As your body changes during puberty, how you think, feel, and interact with others also changes. You may have new feelings and thoughts about sex. Understanding who you're becoming as a sexual young adult is also part of teen sexual health. For some teens, that includes understanding gender identity, gender expression, and sexual orientation.

For all teens, taking responsibility for sexual health is part of growing up. Whether you choose to have sex or wait, responsibility includes knowing about:

• Sexually transmitted infections (STIs)
• Birth control
• What a healthy relationship is

Sexually transmitted infections (STIs), or sexually transmitted diseases (STDs), are caused by bacteria, viruses, and parasites that spread from person to person, usually during vaginal, oral, or anal sex. Some STIs are spread by skin-to-skin contact. Without treatment, some STIs can cause long-term health problems.

There are more than 20 types of STIs, including:

• Chlamydia
• Genital herpes
• Gonorrhea
• HIV
• HPV (human papillomavirus)
• Pubic lice
• Syphilis
• Trichomoniasis

STIs don't always cause symptoms. So it is possible to have an infection without knowing it and then pass it on to someone else. The only way to know for sure whether you have an STI is to get tested.

The most reliable way to avoid infection is to not have vaginal, oral, or anal sex. Saying "no" to sex is the right choice for many teens.

If you decide to have sex, "safer sex" practices will lower your chance of getting an STI. They include:

• Talking with your partner about preventing STIs and getting tested before having sex. If you can't talk about STIs, you aren't ready to have sex.
• Getting the HPV vaccine. You can be vaccinated between ages 9 and 26.
• Using condoms correctly every time you have vaginal, oral, or anal sex:
  • External (male) latex condoms provide the best protection against STIs. If you or your partner is allergic to latex, you can use polyurethane condoms.
  • Internal (female) condoms, made of nitrile, are placed inside the body (vagina or anus). They may be less effective against STIs than latex external condoms.
  • Don't use both type of condoms together because that increases the chance they'll rip
  • Use a dental dam (a square piece of latex, polyurethane, or nitrile) to protect the mouth during oral sex
• Having sex with only one person who has sex only with you (mutual monogamy). But first, both of you should get tested for STIs.
• Not mixing alcohol or drugs with sex. You need to think clearly to make safer choices about sex.

The only sure way to avoid pregnancy is not to have vaginal sex.

If you decide to have vaginal sex, birth control can help prevent pregnancy. There are many types of birth control that work in different ways. Your health care provider can help you choose birth control that's best for you.

Condoms are the only birth control method that protects against STIs. But condoms alone aren't the most effective form of birth control. It's safest to use condoms with another form of birth control to prevent both STIs and pregnancy.

Healthy sex starts with a healthy relationship, so it's important to take an honest look at how you and your partner treat each other. Your relationship may be healthy if it includes:

• Respect. You and your partner value each other's feelings. Neither of you pressure the other to do things they don't want to do.
• Trust and honesty. You always tell the truth and trust your partner to do the same.
• Good communication. You feel safe talking openly about your feelings, STIs, and other relationships. And you both listen.

Your relationship may be unhealthy if it includes:

• Jealousy and control. One of you wants to make all the decisions and tries to keep the other from spending time with their friends and family.
• Disrespect. One of you makes fun of the other person's ideas and feelings.
• Pressure. One of you tries to bully the other into doing sexual things they don't want to do.
• Violence. Hitting, shoving, grabbing, and sexual assault should never be part of a relationship. If you don't know how to end a violent relationship, get help.

Your decisions about sex can affect your future health. Make sure that you know the facts so you can decide what is right for you.

Vaginal problems are some of the most common reasons women go to the doctor. They may have symptoms such as:

• Itching
• Burning
• Pain
• Abnormal bleeding
• Discharge

One common problem is vaginitis, an inflammation of the vagina. Other problems that affect the vagina include sexually transmitted infections (STIs), vaginal cancer, and vulvar cancer. Treatment of vaginal problems depends on the cause.

Parasites are living things that use other living things - like your body - for food and a place to live. You can get them from contaminated food or water, a bug bite, or sexual contact. Some parasitic diseases are easily treated and some are not.

Parasites range in size from tiny, one-celled organisms called protozoa to worms that can be seen with the naked eye. Some parasitic diseases occur in the United States. Contaminated water supplies can lead to Giardia infections. Cats can transmit toxoplasmosis, which is dangerous for pregnant women. Others, like malaria, are common in other parts of the world.

If you are traveling, it's important to drink only water you know is safe. Prevention is especially important. There are no vaccines for parasitic diseases. Some medicines are available to treat parasitic infections.