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The Daily Insight

What are examples of opportunistic infections?

Author

Emma Johnson

Updated on March 01, 2026

What are some common opportunistic infections?

  • Candidiasis infections of the gastrointestinal or genitourinary tract, including non-albicans candida infections.
  • Coccidioidomycosis (San Joaquin Valley Fever)
  • Cryptococcosis.
  • Cytomegalovirus (CMV)
  • Cryptosporidiosis of the greater intestines.

What infections are common in AIDS?

Infections common to HIV/AIDS

  • Pneumocystis pneumonia (PCP). This fungal infection can cause severe illness.
  • Candidiasis (thrush). Candidiasis is a common HIV -related infection.
  • Tuberculosis (TB).
  • Cytomegalovirus.
  • Cryptococcal meningitis.
  • Toxoplasmosis.

Is C Diff an opportunistic infection?

Clostridium difficile is an opportunistic pathogen that causes a spectrum of disease ranging from antibiotic-associated diarrhea to pseudomembranous colitis. Although the disease was first described in 1893, the etiologic agent was not isolated and identified until 1978.

What is opportunistic infection?

Opportunistic infections (OIs) are illnesses that occur more frequently and are more severe in people with HIV. This is because they have damaged immune systems. Today, OIs are less common in people with HIV because of effective HIV treatment.

Is C. difficile opportunistic?

What type of organism is C. diff?

C. diff is a spore-forming, Gram-positive anaerobic bacillus that produces two exotoxins: toxin A and toxin B. It is a common cause of antibiotic-associated diarrhea (AAD) and accounts for 15 to 25% of all episodes of AAD.

Is Staphylococcus aureus an opportunistic pathogen?

Staphylococci are abundant bacteria of the human skin microbiome. Several species, particularly Staphylococcus aureus and Staphylococcus epidermidis, are opportunistic pathogens and cause significant disease.

What are two common opportunistic infections related to AIDS?

Herpes simplex virus 1 (HSV-1) infection—This infection is caused by virus.

  • Salmonella infection—This infection is caused by bacteria.
  • Candidiasis (or thrush)—This infection is caused by fungus.
  • Toxoplasmosis —This is probably the most severe infections as it affects the brain.
  • What are three types of opportunistic infections?

    Opportunistic infections: Types list. The list of types of Opportunistic infections mentioned in various sources includes: Nosocomial infections. Secondary infections. PCP. Thrush.

    What are the early signs of having AIDS?

    The early signs of HIV may appear as symptoms similar to those caused by the flu. These can include: headache. fever. tiredness. swollen lymph nodes. sore throat. thrush.