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What is a brain infection?

Brain infection is a general term used to describe infections that affect various parts of the brain. Brain infection can lead to conditions like meningitis, brain abscess and encephalitis. Meningitis is the inflammation (swelling) of the coverings of the brain, while encephalitis is swelling of the brain tissue. An abscess is a pouch of pus in the brain that occurs as a result of tissue breakdown due to an infection.

What are its main associated signs and symptoms?

Common symptoms seen in brain infections are:

What are the main causes?

Brain infection is caused by bacteria, virus, fungi, or parasites. The microorganisms can reach the brain in the following ways:

  • By blood- A lung, heart and dental infection can reach the brain and its structures through blood. People with a weak immune system or disorder or those who are on immunosuppressant drugs are at risk of developing a brain infection.
  • By direct contact- Microorganisms can enter during surgery or through an open wound/injury in the head.
  • Through infections in close proximity to the brain, such as middle ear infection, mastoiditis (swelling of the mastoid bone, which is present near the ears), and sinusitis.

Common organisms that cause brain infections are as follows:

  • Fungi like T. gondii, T. solium and Aspergillus.
  • Bacteria like N.meningitides, S. pneumoniae, H. influenzae and others
  • Viruses like chikungunya virus, herpes zoster and simplex, cytomegalovirus and West Nile virus.

How is it diagnosed and treated?

On the basis of the signs and symptoms you experience, your doctor will perform a thorough physical examination followed by diagnostic imaging tests like MRI or CT scan to detect the presence of inflammation in the brain or its coverings. To diagnose an infection, cerebrospinal fluid (CSF) analysis (lumbar puncture) is done, where CSF is taken from the lower back (the lumbar region of the spinal column) and analysed for microorganisms. Normal blood tests are also carried out to detect the disease-causing germs.

Based on the microorganism, antibiotics, anti-viral, or anti-fungal drugs are given for the treatment of brain infection. Duration of medication varies and depends upon the causative agent. Surgery is done in certain cases that pose risk to life.

  1. Medicines for Brain Infection

Medicines for Brain Infection

Medicines listed below are available for Brain Infection. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
MilibactMilibact 1000 Mg/500 Mg Injection124
Monocef InjectionMonocef 1 gm Injection47
Monotax InjectionMonotax 1000 Mg Injection44
Xone InjectionXone 1000 Mg Injection44
NovaceftNovaceft 1000 Mg Injection60
Nu AxiomNu Axiom 1000 Mg Injection57
OcizoxOcizox 1 Gm Injection66
OmaxeOmaxe 1000 Mg Injection64
Onecef (Unimark)Onecef 1 Gm Injection56
OnetrixOnetrix 1000 Mg Injection51
Oxy (Dr.Johns Lab)Oxy 1000 Mg Injection75
PacicefPacicef 1000 Mg Injection51
PancefPancef 1000 Mg Injection49
PilcefPilcef 1000 Mg Injection20
PowercefPowercef 1 Gm Injection40
Radicef (Signova)Radicef 500 Mg Injection36
Elores InjectionElores 1.5gm Injection0
RamcefRamcef 1000 Mg Injection51
Ancef SbAncef Sb 1000 Mg/500 Mg Injection87

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  1. MSDmannual consumer version [internet].Overview of Brain Infections. Merck Sharp & Dohme Corp. Merck & Co, Inc, Kenilworth, NJ, USA
  2. Science Direct (Elsevier) [Internet]; Brain infections
  3. MSDmannual professional version [internet].Introduction to Brain Infections. Merck Sharp & Dohme Corp. Merck & Co., Inc., Kenilworth, NJ, USA
  4. National Health Service [internet]. UK; Brain abscess
  5. Center for Disease Control and Prevention [internet], Atlanta (GA): US Department of Health and Human Services; Bacterial Meningitis
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