How long does meningitis take to develop?
Typically, symptoms of bacterial meningitis develop within 3 to 7 days after exposure; note, this is not true for TB meningitis, which can develop much later after exposure to the bacteria. People with bacterial meningitis can have seizures, go into a coma, and even die.
Can you have meningitis for weeks and not know?
If people have any of these symptoms during the weeks or months after having a corticosteroid injection in their back, they should call their doctor. Occasionally, chronic meningitis persists for months or even years, but no organisms are identified, and death does not result.
What is the incubation period for spinal meningitis?
Symptoms. The average incubation period is four days, but can range between two and 10 days. The most common symptoms are a stiff neck, high fever, sensitivity to light, confusion, headaches and vomiting.
What are the warning signs of spinal meningitis?
- Sudden high fever.
- Stiff neck.
- Severe headache that seems different from normal.
- Headache with nausea or vomiting.
- Confusion or difficulty concentrating.
- Sleepiness or difficulty waking.
- Sensitivity to light.
Can you have meningitis without knowing?
Viral meningitis usually begins with symptoms of a viral infection, such as fever, a general feeling of illness (malaise), cough, muscle aches, vomiting, loss of appetite, and headache. However, occasionally, people have no symptoms at first. Later, people have symptoms that suggest meningitis.
What happens if meningitis is left untreated?
If left untreated, the infection can cause brain damage or even death. Antibiotics can usually eliminate the bacteria. Still, about 10 to 15 percent of cases result in death even when antibiotics are used. Among people who recover, 11 to 19 percent will experience long-term complications.
Can meningitis come on slowly?
Bacterial meningitis may be subacute rather than acute. Chronic meningitis develops slowly, over weeks or longer, and may last for months to years. Rarely, chronic meningitis causes only mild symptoms and resolves on its own.
How long is someone with meningitis contagious?
What is the incubation period of Bacterial Meningitis and how long is it contagious? Symptoms generally develop 1-10 days after exposure, but usually less than 4 days. Meningitis is contagious until at least 24 hours after treatment with antibiotics the bacteria is sensitive to.
How long after exposure to meningitis are you contagious?
Viral meningitis can be contagious from 3 days after infection starts to about 10 days after symptoms develop. Bacterial meningitis is usually less contagious than viral meningitis. It’s generally contagious during the incubation period and an additional 7 to 14 days.
How do adults get meningitis?
Meningitis can occur when fluid surrounding the meninges becomes infected. The most common causes of meningitis are viral and bacterial infections. Other causes may include: cancer.