Tip: Download the complete list of common infection-causing bacteria visually sorted by body system!
What are the most common bacterial infections?
Bacterial infections are common in various parts of the body. Examples of common bacterial infections include:
Strep throat (Staphylococcus pyogenes )
Tuberculosis (Mycobacterium tuberculosis)
UTIs
Bacterial pneumonia
Bacterial meningitis
Cellulitis
Lyme disease
STIs (syphilis, gonorrhea, chlamydia)
Causes of common skin infections
The most common skin infections are caused by:
Staphylococcus aureus (skin, soft tissues)Streptococcus pyogenes (impetigo)Pseudomonas aeruginosa (blood, lungs)
Causes of the most common sexually transmitted diseases
The most common bacteria causing STIs are:
Chlamydia trachomatis Neisseria gonorrhoeae Treponema pallidum Ureaplasma urealyticum Haemophilus ducreyi
Otitis media causes
Otitis media is most often caused by Streptococcus pneumoniae.
Causes of upper respiratory tract infections
Infections of the upper respiratory tract are often caused by:
Streptococcus pyogenes Haemophilus influenzae
Gastritis causes
Gastritis is most often caused by Helicobacter pylori.
Common causes of urinary tract infections
UTIs are often caused by:
Escherichia coli Other Enterobacteriaceae
Staphylococcus saprophyticus Pseudomonas aeruginosa
Causes of bacterial meningitis
Bacterial meningitis is often caused by:
Streptococcus pneumoniae Neisseria meningitidis Haemophilus influenzae Streptococcus agalactiae Listeria monocytogenes
Pneumonia causes
Causes of community-acquired pneumonia:
Streptococcus pneumoniae Haemophilus influenzae Staphylococcus aureus
Causes of atypical pneumonia:
Mycoplasma pneumoniae Chlamydia pneumoniae Legionella pneumophila
Tuberculosis causes
Tuberculosis is caused by Mycobacterium tuberculosis .
Common causes of eye infections
Eye infections are commonly caused by:
Staphylococcus aureus Neisseria gonorrhoeae Chlamydia trachomatis
Sinusitis causes
Sinusitis is commonly caused by:
Streptococcus pneumoniae Haemophilus influenzae
Common causes of food poisoning
Common bacterial causes of food poisoning include:
Campylobacter jejuni Salmonella
Shigella
Clostridium
Staphylococcus aureus Escherichia coli
