Understanding Ureaplasma and Mycoplasma: What You Need to Know
When it comes to sexually transmitted and genital tract infections, most people think of well-known bacteria like chlamydia or gonorrhea. However, lesser-known organisms such as Ureaplasma and Mycoplasma can also play a significant role in urogenital health.
Let’s learn how they spread, symptoms to watch for, testing, and treatment options.
What Are Ureaplasma and Mycoplasma?
Ureaplasma and Mycoplasma are types of very small bacteria that belong to the class Mollicutes. Unlike most bacteria, they lack a cell wall, which makes them unique and affects how they are treated.
Two of the most clinically relevant species include:
- Mycoplasma genitalium
- Ureaplasma urealyticum
In humans, there are two main clinically recognized species of Ureaplasma:
Ureaplasma urealyticum
- Historically associated with non-gonococcal urethritis
- Can be linked to infertility and pregnancy complications
May be symptomatic or asymptomatic
Ureaplasma parvum
- More commonly found in healthy individuals
- Often considered part of normal genital flora
- Usually causes fewer symptoms, though it can still be associated with infection in some cases
Types of Mycoplasma
The genus Mycoplasma contains many species, but only some infect humans. The most clinically important types include:
1️. Mycoplasma genitalium
- Sexually transmitted
- Causes urethritis in men
- Causes cervicitis and pelvic inflammatory disease (PID) in women
- Known for increasing antibiotic resistance
2️. Mycoplasma hominis
- Found in the genital tract
- Associated with bacterial vaginosis
- Linked to postpartum and pelvic infections
3️. Mycoplasma pneumoniae
- Causes atypical (“walking”) pneumonia
- Spread through respiratory droplets
- Not sexually transmitted
4️. Mycoplasma fermentans
- Less clearly understood
- Sometimes found in immunocompromised individuals
How Are They Transmitted?
These organisms are primarily spread through:
- Sexual contact (vaginal, anal, and sometimes oral)
- From mother to baby during childbirth
Symptoms
It’s important to note that Ureaplasma species can sometimes be present without causing symptoms, meaning some people carry them without knowing.
Many people are asymptomatic. When symptoms occur, they may include:
In Women:
- Vaginal discharge
- Pelvic pain
- Painful urination
- Bleeding after intercourse
- Fertility complications (in some cases)
In Men:
- Burning during urination
- Urethral discharge
- Testicular discomfort
Mycoplasma genitalium, in particular, has been strongly associated with non-gonococcal urethritis in men and cervicitis in women.
Symptom Comparison
Urogenital Species
Infection | Common in Men | Common in Women | Notes |
Mycoplasma genitalium | Urethral burning, discharge | Cervicitis, pelvic pain, abnormal bleeding | Strong STI association |
Mycoplasma hominis | Often asymptomatic | Bacterial vaginosis, postpartum infections | May coexist with BV |
Ureaplasma urealyticum | Non-gonococcal urethritis | Vaginal discharge, pelvic discomfort | Sometimes linked to infertility |
Ureaplasma parvum | Usually none | Usually none | Often part of normal flora |
Respiratory Species
Infection | Symptoms | Transmission |
Mycoplasma pneumoniae | Dry cough, fever, fatigue (“walking pneumonia”) | Respiratory droplets |
Potential Complications
If left untreated, these infections may contribute to:
- Pelvic inflammatory disease (PID)
- Infertility
- Preterm birth
- Increased susceptibility to other STIs
However, research is ongoing to fully understand their long-term impact, especially for Ureaplasma, which may be part of normal genital flora in some individuals.
Testing and Diagnosis
Testing typically involves:
- Urine samples
- Vaginal or urethral swabs
- PCR (polymerase chain reaction) testing
Routine screening is not always recommended unless symptoms are present or recurrent infections occur.
Treatment Options
Because these bacteria lack a cell wall, they are treated with specific antibiotics such as:
- Doxycycline
- Azithromycin
- Moxifloxacin (for resistant cases)
Antibiotic resistance, especially with Mycoplasma genitalium, is a growing concern worldwide. Proper diagnosis and medical supervision are important.
Sexual partners may also need evaluation and treatment to prevent reinfection.
Prevention Tips
- Use condoms consistently and correctly
- Get tested if you experience symptoms
- Avoid multiple sexual partners without protection
- Follow your healthcare provider’s treatment plan fully
Not all positive tests require treatment. Clinical symptoms, inflammation, and risk factors guide decisions. If you’re experiencing persistent urogenital symptoms, and need testing, visit us at oasisrockmedical.com or call us at (682) 882 6060 to schedule an appointment.
