Mycoplasma Infection: Symptoms, Causes, Diagnosis, & Prevention

Written by Medicover Team and Medically Reviewed by Dr Bhima Shankar , Pulmonologists

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1. Causes 2. Find a Doctor 3. Diagnosis 4. Treatment 5. FAQs

Mycoplasma infections are caused by a genus of bacteria called Mycoplasma, which are unique due to their lack of a cell wall. This characteristic makes them resistant to many common antibiotics that target cell wall synthesis.

These infections can affect various parts of the body, including the respiratory and urogenital tracts, and are often challenging to diagnose and treat effectively. Let us look into the causes, symptoms, complications, diagnosis, and treatment of mycoplasma infections.

What Are the Symptoms of Mycoplasma Infection?

The symptoms of mycoplasma infections can vary widely depending on the site of infection and the specific Mycoplasma species involved.

Respiratory Mycoplasma Infections

Respiratory infections caused by Mycoplasma pneumoniae often present with symptoms similar to those of a common cold or mild flu. However, they can sometimes lead to more severe conditions, such as pneumonia.

Common symptoms include:

Persistent dry cough
Sore throat
Fever
Fatigue
Headache
Shortness of breath

Urogenital Mycoplasma Infections

Urogenital mycoplasma infections can affect both men and women, causing a range of symptoms that may be mistaken for other types of urogenital infections.

Common symptoms in women include:

Vaginal discharge
Pelvic pain
Painful urination
Pain during intercourse

Common symptoms in men include:

Urethral discharge
Painful urination
Testicular pain

What Causes Mycoplasma Infection?

Mycoplasma infections are caused by bacteria of the genus Mycoplasma, with Mycoplasma pneumoniae being the most well-known species responsible for respiratory infections. Other species, such as Mycoplasma genitalium, Mycoplasma hominis, and Ureaplasma urealyticum, are associated with urogenital infections.

Modes of Transmission

Mycoplasma bacteria are typically transmitted through close contact with an infected person. Respiratory mycoplasma infections, such as those caused by M. pneumoniae, are spread via respiratory droplets when an infected person coughs or sneezes. Urogenital mycoplasma infections are primarily transmitted through sexual contact.

When Should You See a Doctor for Mycoplasma Infection?

Consult a pulmonologist if symptoms persist or worsen despite home care.

Persistent cough lasting more than one week
Fever with difficulty breathing
Chest pain or worsening respiratory symptoms
Painful urination or abnormal genital discharge
Pelvic pain or testicular pain
Symptoms that do not improve after initial treatment

Early diagnosis helps prevent complications, improve recovery, and reduce the spread of infection.

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How Is Mycoplasma Infection Diagnosed?

Diagnosing mycoplasma infections can be challenging due to their nonspecific symptoms and the limitations of standard diagnostic tests. However, several methods can help confirm the presence of a mycoplasma infection.

Laboratory Tests

Laboratory tests are essential for diagnosing mycoplasma infections. Common tests include:

Polymerase Chain Reaction (PCR): PCR tests detect the genetic material of Mycoplasma bacteria and are highly sensitive and specific.
Serology: Serological tests detect antibodies produced in response to a mycoplasma infection. However, these tests may not be reliable in the early stages of infection.
Culture: Mycoplasma bacteria can be cultured from respiratory or urogenital samples, but this method is time-consuming and may not always be successful.

Clinical Evaluation

A thorough clinical evaluation, including a detailed patient history and physical examination, is crucial for diagnosing mycoplasma infections. Physicians should consider the patient's symptoms, risk factors, and potential exposure to infected individuals when making a diagnosis.

What Are the Treatment for Mycoplasma Infection?

The treatment of mycoplasma infections depends on the site of infection and the severity of the symptoms. Due to the lack of a cell wall, Mycoplasma bacteria are inherently resistant to beta-lactam antibiotics, such as penicillin and cephalosporins.

Antibiotic Therapy

Antibiotics that target protein synthesis or DNA replication are typically used to treat mycoplasma infections. Commonly prescribed antibiotics include:

Macrolides: Such as azithromycin and erythromycin, are effective against respiratory and urogenital mycoplasma infections.
Tetracyclines: Such as doxycycline, are another option for treating mycoplasma infections, particularly in adults.
Fluoroquinolones: Such as levofloxacin and moxifloxacin, may be used in cases of macrolide-resistant mycoplasma infections.

Symptomatic Treatment

In addition to antibiotic therapy, symptomatic treatment can help alleviate the discomfort associated with mycoplasma infections. This may include:

Analgesics and antipyretics: Such as acetaminophen or ibuprofen, to reduce fever and relieve pain.
Cough suppressants: To manage persistent coughing in respiratory infections.
Hydration and rest: To support the body's immune response and aid in recovery.

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How Can You Prevent Mycoplasma Infection?

Preventing mycoplasma infections involves minimizing exposure to the bacteria and maintaining good hygiene practices.

Respiratory Mycoplasma Infections

To prevent the spread of respiratory mycoplasma infections, individuals should:

Practice good hand hygiene by washing hands regularly with soap and water.
Avoid close contact with individuals who have respiratory symptoms.
Cover the mouth and nose with a tissue or elbow when coughing or sneezing.

Urogenital Mycoplasma Infections

Preventing urogenital mycoplasma infections involves practicing safe sexual behaviors, such as:

Using condoms consistently and correctly during sexual activity.
Limiting the number of sexual partners.
Regularly getting tested for sexually transmitted infections (STIs).

What Are the Complications of Mycoplasma Infection?

If left untreated, mycoplasma infections can lead to severe complications, particularly in individuals with weakened immune systems or underlying health conditions.