About Meningitis
The causes of meningitis include infections caused by viruses, bacteria, or fungi. Non-infectious causes can include certain medications, autoimmune conditions, and cancer that spreads to the meninges.
Non-modifiable risk factors are factors that cannot be changed or controlled. Non-modifiable risk factors for meningitis include:
- Compromised immunity: People with immune deficiencies, autoimmune disorders, or undergoing treatments like chemotherapy or organ transplants are at higher risk.
- Age: All age groups are at risk, but infants and children under 5 are more susceptible to viral and bacterial meningitis. Older adults are also at risk for certain infections leading to meningitis.
Modifiable risk factors are factors that can be influenced or changed. Modifiable risk factors for meningitis are influenced by individual habits and lifestyle, including:
- Community living: Living in close quarters like college dorms or group homes increases the chance of exposure.
- Pregnancy: Pregnant women have an increased risk of listeriosis, an infection caused by Listeria bacteria.
- Medications: Some anti-inflammatory, antibiotic, chemotherapy, and anti-seizure medications have the potential to cause meningitis.
It's important to note that these risk factors can vary depending on the specific cause of meningitis. Speak with your healthcare professional for personalized advice.
The most common early symptoms of meningitis include:
- Fever
- Headache
- Nausea and vomiting
- Stiff neck
As meningitis progresses or becomes more severe, additional symptoms may appear. These can include:
- Cold hands and feet
- Confusion
- Rapid breathing
- Muscle and joint pain
- Pale, mottled, or blotchy skin spots or rash
- Sensitivity to bright lights
- Sleepiness or difficulty waking
- Seizures
It's important to note that symptoms can vary depending on the age of the individual affected by meningitis. If you or someone you know experiences any of these symptoms, especially if they are severe or rapidly worsening, it is important to seek immediate medical attention. Meningitis can be a medical emergency and requires prompt treatment for the best outcomes.
To diagnose meningitis, doctors commonly perform the following examinations, tests, and procedures:
- Physical examination: A doctor assesses the likelihood of meningitis by evaluating symptoms, recent illnesses, and performing physical tests to check for inflammation of the meninges.
- Brudzinski sign test: The doctor flexes the neck upward and toward the chest to observe if it causes the person to flex their knees or hips. This can suggest inflammation of the meninges and indicate meningitis.
- Kernig sign test: The doctor bends the knee toward the chest and attempts to straighten the leg upward. This test helps identify if there is inflammation of the meninges.
Additional examinations, tests, and procedures to determine the stage or severity of meningitis may include:
- Neurological exam: Evaluates movements, coordination, balance, hearing, and vision.
- Blood and urine tests: These tests help determine overall health, presence of infection, and rule out other conditions as potential causes of symptoms.
- Cerebrospinal fluid (CSF) analysis: A sample is taken via a lumbar puncture to check for markers of inflammation or infection in the fluid surrounding the brain and spinal cord.
- Imaging tests: CT scan or MRI scan can visualize the brain and surrounding tissues for signs of inflammation.
It's important to consult with a healthcare professional for accurate diagnosis and evaluation of meningitis.
Meningitis can be a medical emergency and requires prompt treatment for the best outcomes. The goals of treatment for meningitis are to achieve faster infection resolution, reduce the risk of neuronal injury, and minimize long-term neurologic complications. Here are the different types of treatments and how they work to achieve these goals:
Medication Types:
- Antibiotics: These are used to treat bacterial meningitis by killing the bacteria causing the infection. They help eliminate the infection and prevent it from spreading.
- Intrathecal Chemotherapy: This involves injecting chemotherapy drugs directly into the cerebral spinal fluid. It is often used as a primary treatment for cancer associated meningitis, allowing the drugs to cross the blood-brain barrier and target areas of the brain or cerebral spinal fluid.
Therapies:
- Corticosteroids: These anti-inflammatory treatments can be used in bacterial meningitis to reduce inflammation and prevent complications.
- Stem Cell Therapy: This emerging therapy aims to improve neurologic dysfunction post-meningitis and encephalitis. It holds promise in reversing damage and improving long-term quality of life, especially in neonates/children.
Health Behavior Changes:
- Preventative Vaccinations: Continuation of educational efforts and delivery of vaccinations can help prevent infectious causes of meningitis, reducing the burden of neurologic disease.
Other Treatments:
- Supportive Care: This includes measures such as pain management, fluids, rest, and monitoring vital signs to support the body's healing process during treatment.
It's important to note that specific treatment options may vary depending on factors such as the type of meningitis, individual patient characteristics, and severity of the condition. Always consult with a healthcare professional for personalized advice.
Medication dosing may be affected by many factors. Check with your health care professional about dosing for your individual situation. Other side effects can occur. Check with your health care professional or read the information provided with your medication for additional side effect information.