All About Bacterial Spinal Meningitis
Today is which is a good time to start getting all the facts on Bacterial Spinal Meningitis to keep your family healthy . . . Meningitis is swelling and irritation of the membranes covering the brain and spinal cord. This inflammation causes changes in the cerebrospinal fluid (CSF) that surrounds the brain and spinal cord.
Causes of Meningitis
Meningitis is also caused by:
- Chemical irritation
- Drug allergies
Types of Meningitis include:
- Aseptic meningitis
- Cryptococcal meningitis
- Gram negative meningitis
- H. influenza meningitis
- Meningitis due to cancer (carcinomatous meningitis)
- Meningococcal meningitis
- Pneumococcal meningitis
- Staphylococcal meningitis
- Syphilitic aseptic meningitis
- Tuberculous meningitis
Acute bacterial meningitis is a true medical emergency, and requires immediate treatment in a hospital.
Viral meningitis is milder and occurs more often than bacterial meningitis. It usually develops in the late summer and early fall, and often affects children and adults under age 30. Most infections occur in children under the age of 5. Most viral meningitis is due to enteroviruses, which are viruses that also cause intestinal illness.
Many other types of viruses can cause meningitis. For example, viral meningitis can be caused by herpes viruses, the same virus that can cause cold sores and genital herpes (although people with cold sores or genital herpes are not at a greater risk of developing herpes meningitis).
Recently, West Nile virus, spread by mosquito bites, has become a cause of viral meningitis in most of the United States.
Symptoms of Meningitis
- Fever and chills
- Mental status changes
- Nausea and vomiting
- Sensitivity to light
- Severe headache
- Stiff neck
Other symptoms of Meningitis that can occur with this disease:
- Decreased consciousness
- Bulging fontanelles
- Poor feeding or irritability in children
- Rapid breathing
Meningitis is an important cause of fever in newborn children.
Exams and Tests for Meningitis
- Blood culture
- Chest x-ray
- Head CT scan
- Gram-stain and culture of CSF (cerebral spinal fluid)
- Lumbar puncture ("spinal tap") with CSF glucose measurement and CSF cell count
Treatment for Meningitis
Doctors prescribe antibiotics for bacterial meningitis. The type will vary depending on the bacteria causing the infection. Antibiotics are not effective in viral meningitis.
Other medications and intravenous fluids will be used to treat symptoms such as brain swelling, shock, and seizures. Some people may need to stay in the hospital, depending on the severity of the illness and the treatment needed.
Outlook / Prognosis for Meningitis
Early diagnosis and treatment of bacterial meningitis is essential to prevent permanent neurological damage. Viral meningitis is usually not serious, and symptoms should disappear within 2 weeks with no lasting complications.
Possible Complications of Meningitis
- Brain damage
- Hearing loss or deafness
- Loss of vision
When to Contact a Medical Professional
If you feel that you or your child has symptoms of meningitis, get emergency medical help immediately. Early treatment is key to a good outcome.
Prevention of Meningitis
- Haemophilus vaccine (HiB vaccine) in children will help prevent one type of meningitis.
- The pneumococcal conjugate vaccine is now a routine childhood immunization and is very effective at preventing pneumococcal meningitis.
- Household members and others in close contact with people who have meningococcal meningitis should receive preventive antibiotics to avoid becoming infected themselves.
The meningococcal vaccination is recommended for:
- Adolescents ages 11 - 12 and adolescents entering high school (about age 15) who have not already received the vaccination.
- All college freshmen who have not been vaccinated and are living in dorms.
- Children age 2 and older who do not have their spleen or who have other problems with their immune system.
- Those traveling to countries where diseases caused by meningococcus are very common (ask your doctor).
Some communities conduct vaccination campaigns after an outbreak of bacterial meningitis.
The most common causes of meningitis are viral infections that usually improve even without treatment. However, bacterial meningitis infections are extremely serious, and may result in death or brain damage even if treated.
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