Which of the following are the two most common bacteria associated with skin infections?

What skin bacteria is most common?

Skin diseases can be caused by viruses, bacteria, fungi, or parasites. The most common bacterial skin pathogens are Staphylococcus aureus and group A β-hemolytic streptococci.

What bacteria causes skin infections?

They can range in seriousness as well, from harmless to life threatening. Bacterial skin infections develop when bacteria enter through hair follicles or through small breaks in the skin that result from scrapes, punctures, surgery, burns, sunburn, animal or insect bites, wounds, and preexisting skin disorders.

What are 2 examples of bacterial infections?

Types of Bacterial Infections

  • Salmonella is an infection often linked to food poisoning. …
  • Escherichia coli (E. …
  • Tuberculosis is a highly contagious disease caused by the Mycobacterium tuberculosis bacteria. …
  • Methicillin-resistant Staphylococcus aureus (MRSA) is a type of bacteria that’s become resistant to antibiotics.

What are the two types of skin infections?

What are the types of skin infections?

  • Bacterial skin infections. Bacterial skin infections often begin as small, red bumps that slowly increase in size. …
  • Viral skin infections. Viral skin infections are caused by a virus. …
  • Fungal skin infections. …
  • Parasitic skin infection.
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What is skin infections?

A skin infection is a condition in which germs (bacteria, viruses, or fungi) infect your skin and sometimes the deep tissues underneath it. In some cases, it’s caused by a parasite invading your skin.

What is the bacteria on your skin called?

The term skin flora, also commonly called skin microbiota, refers to microbiota (communities of microorganisms) that reside on the skin, typically human skin. Many of them are bacteria of which there are around 1,000 species upon human skin from nineteen phyla.

What antibiotic is used for bacterial skin infections?

Clindamycin and trimethoprim-sulfamethoxazole (TMP-SMX) are recommended for outpatient treatment of skin infections because of their activity against many MRSA strains1,2.

What are types of skin diseases?


  • eczema.
  • psoriasis.
  • acne.
  • rosacea.
  • ichthyosis.
  • vitiligo.
  • hives.
  • seborrheic dermatitis.

What skin infection caused by bacteria is common adolescence?

Impetigo is a common skin infection in children between the ages of 2 and 5 years old. It is highly infectious and is caused primarily by gram-positive bacteria, mainly Staphylococcus aureus and group A beta-hemolytic streptococcus.

What are the two types of bacteria?


  • Spherical: Bacteria shaped like a ball are called cocci, and a single bacterium is a coccus. Examples include the streptococcus group, responsible for “strep throat.”
  • Rod-shaped: These are known as bacilli (singular bacillus). …
  • Spiral: These are known as spirilla (singular spirillus).

What are common bacterial infections?

Bacterial infections

  • strep throat.
  • bacterial urinary tract infections (UTIs), often caused by coliform bacteria.
  • bacterial food poisoning, often caused by E. coli, Salmonella, or Shigella.
  • bacterial cellulitis, such as due to Staphylococcus aureus (MRSA)
  • bacterial vaginosis.
  • gonorrhea.
  • chlamydia.
  • syphilis.
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What is the most common cause of bacterial infections?

Both types of infections are caused by microbes — bacteria and viruses, respectively — and spread by things such as: Coughing and sneezing. Contact with infected people, especially through kissing and sex. Contact with contaminated surfaces, food, and water.

Is Staphylococcus a bacterial infection?

Staph infections are caused by staphylococcus bacteria, types of germs commonly found on the skin or in the nose of even healthy individuals. Most of the time, these bacteria cause no problems or result in relatively minor skin infections.

Can bacterial infection cause itchy skin?

Bacterial and viral infections can also result in itch-inducing infections. For example, the bacterial pathogen S. aureus is found in 90% of the skin lesions of patients with atopic dermatitis, an inflammatory skin disease characterized by chronic itch [57]. One potential mechanism of itch during S.

Is bacterial skin infection contagious?

Some bacterial conditions themselves aren’t contagious, but the bacteria that can potentially cause them are contagious. For example, the Staphylococcus bacteria itself can be transmitted from person to person through direct skin-to-skin contact, including through contact with fluids or pus from an infected wound.