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

Summary

What are skin infections?

Your skin is your body's largest organ. It has many different functions, including covering and protecting your body. It helps keep germs out. But sometimes the germs can cause a skin infection. This often happens when there is a break, cut, or wound on your skin. It can also happen when your immune system is weakened, because of another disease or a medical treatment.

Some skin infections cover a small area on the top of your skin. Other infections can go deep into your skin or spread to a larger area.

What causes skin infections?

Skin infections are caused by different kinds of germs. For example,:

  • Bacteria cause cellulitis, impetigo, and staphylococcal (staph) infections
  • Viruses cause shingles, warts, and herpes simplex
  • Fungi cause athlete's foot and yeast infections
  • Parasites cause body lice, head lice, and scabies

Who is at risk for skin infections?

You are at a higher risk for a skin infection if you:

  • Have poor circulation
  • Have diabetes
  • Are older
  • Have an immune system disease, such as HIV/AIDS
  • Have a weakened immune system because of chemotherapy or other medicines that suppress your immune system
  • Have to stay in one position for a long time, such as if you are sick and have to stay in bed for a long time or you are paralyzed
  • Are malnourished
  • Have excessive skinfolds, which can happen if you have obesity

What are the symptoms of skin infections?

The symptoms depend on the type of infection. Some symptoms that are common to many skin infections include rashes, swelling, redness, pain, pus, and itching.

How are skin infections diagnosed?

To diagnose a skin infection, health care providers will do a physical exam and ask about your symptoms. You may have lab tests, such as a skin culture. This is a test to identify what type of infection you have, using a sample from your skin. Your provider may take the sample by swabbing or scraping your skin, or removing a small piece of skin (biopsy). Sometimes providers use other tests, such as blood tests.

How are skin infections treated?

The treatment depends on the type of infection and how serious it is. Some infections will go away on their own. When you do need treatment, it may include a cream or lotion to put on the skin. Other possible treatments include medicines and a procedure to drain pus.

Start Here

  • Bacterial Skin Infections (Merck & Co., Inc.) Also in Spanish
  • Fungal Skin Infections (Merck & Co., Inc.) Also in Spanish
  • Skin Rashes and Other Problems (American Academy of Family Physicians) Also in Spanish

  • Diabetes and Skin Complications (American Diabetes Association)
  • Swimming Pools and Molluscum Contagiosum (Centers for Disease Control and Prevention)

  • Blastomycosis (Centers for Disease Control and Prevention)
  • Boils (American Osteopathic College of Dermatology)
  • Boils and Carbuncles (Mayo Foundation for Medical Education and Research) Also in Spanish
  • Cutaneous Larva Migrans (American Osteopathic College of Dermatology)
  • Erysipelas (American Osteopathic College of Dermatology)
  • Erythema Nodosum (American Osteopathic College of Dermatology)
  • Intertrigo (American Academy of Family Physicians) Also in Spanish
  • Molluscum Contagiosum (Centers for Disease Control and Prevention)
  • Molluscum Contagiosum: Overview (American Academy of Dermatology)
  • Necrotizing Fasciitis: All You Need to Know (Centers for Disease Control and Prevention) Also in Spanish
  • Onchocerciasis (River Blindness) FAQs (Centers for Disease Control and Prevention)
  • Skin Infections in Athletes (American Academy of Orthopaedic Surgeons)
  • Sporotrichosis (Centers for Disease Control and Prevention)
  • Tinea Versicolor (American Academy of Dermatology)
  • Tinea Versicolor (Mayo Foundation for Medical Education and Research) Also in Spanish

  • Molluscum Contagiosum (American Association for Pediatric Ophthalmology and Strabismus)
  • Molluscum Contagiosum (For Parents) (Nemours Foundation) Also in Spanish

  • Cuts, Scratches, and Scrapes (Nemours Foundation) Also in Spanish
  • Molluscum Contagiosum (Boston Children's Hospital) Also in Spanish

  • Blastomycosis (Medical Encyclopedia) Also in Spanish
  • Boils (Medical Encyclopedia) Also in Spanish
  • Candida infection of the skin (Medical Encyclopedia) Also in Spanish
  • Carbuncle (Medical Encyclopedia) Also in Spanish
  • Donovanosis (granuloma inguinale) (Medical Encyclopedia) Also in Spanish
  • Ecthyma (Medical Encyclopedia) Also in Spanish
  • Erysipelas (Medical Encyclopedia) Also in Spanish
  • Molluscum contagiosum (Medical Encyclopedia) Also in Spanish
  • Necrotizing soft tissue infection (Medical Encyclopedia) Also in Spanish

What are the 2 most common bacteria involved in skin infections?

What are the two most common bacteria that cause skin infections? Group A Streptococcus (GAS), often called "strep." Staphylococcus aureus, commonly called "staph."

What is the most common bacteria on the skin?

The most common bacterial skin pathogens are Staphylococcus aureus and group A β-hemolytic streptococci.

What are 2 examples of bacterial infections?

Examples of bacterial infections include whooping cough, strep throat, ear infection and urinary tract infection (UTI).

What are the 3 major causes of skin infections?

What causes skin infections?.
Bacteria cause cellulitis, impetigo, and staphylococcal (staph) infections..
Viruses cause shingles, warts, and herpes simplex..
Fungi cause athlete's foot and yeast infections..
Parasites cause body lice, head lice, and scabies..