What is Bacterial Meningitis?
Bacterial meningitis is a serious infection that affects the protective lining around the brain and spinal cord. When these tissues become inflamed, it can interfere with brain function and lead to serious complications. This condition develops quickly and requires urgent medical care.
This condition is caused by certain types of bacteria that can spread through close contact, such as coughing or sneezing. Risk is higher in people with weakened immune systems, those living in shared spaces like dorms, and individuals who are not up to date on recommended vaccines.
Symptoms
Bacterial meningitis often begins suddenly and can worsen within hours. Recognizing symptoms early is critical.
Common symptoms include:
- High fever
- Severe headache
- Stiff or painful neck
- Confusion or trouble staying awake
- Sensitivity to light
- Nausea or vomiting
- Skin rash (in some cases)
In infants and young children, symptoms may include:
- Constant crying or irritability
- Poor feeding
- Vomiting
- Bulging soft spot on the head
- Seizures
How is it diagnosed?
Healthcare providers act quickly when meningitis is suspected. A spinal tap is the most important test and allows providers to examine fluid around the brain and spinal cord for infection.
Additional testing may include blood tests, imaging such as CT or MRI scans, and cultures of the nose or throat. These tests help confirm the diagnosis and identify the specific bacteria causing the illness.
How is it treated?
Bacterial meningitis is treated as a medical emergency. Care usually begins right away with powerful antibiotics given through an IV, often before test results are confirmed.
Treatment may also include:
- Medications to reduce inflammation
- Fluids to maintain hydration
- Close monitoring in the hospital
With early treatment, many people recover well. However, some may experience lasting effects such as hearing loss or neurological changes. Prompt care greatly improves the chance of a full recovery.