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Last Updated: Jan 10, 2023
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Infections - Most Common Types of Them!

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Dr. Purvi C ShahDermatologist • 40 Years Exp.MD - Dermatology , Venereology & Leprosy, MD, MBBS
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The skin is the largest organ of the body and is hence susceptible to a great number of infections. Here are a few skin infections arranged according to the causative organism:
Bacterial Infections 

  1. LeprosyMycobacterium leprae is the bacterium which spreads slowly and causes leprosy. It is also called Hansen’s disease.
  2. CarbunclesIt is a swollen, painful and red boil aggregation which is joined underneath the skin.
  3. CellulitisIt is a common skin infliction that spreads underneath the skin to the adjoining soft tissues. It happens due to the bacteria entering the skin through a cut or a wound.
  4. Boils: An infected oil gland or hair follicle may lead to a boil. The area affected turns red and soon, a lump forms at the same site.
  5. ImpetigoIt is extremely contagious and can occur on any body part. Exposed areas of the skin are more prone to this bacterial infection.

Fungal Infections 

  1. Ringworm: Ringworm is a misnomer as it is caused by dermatophytes which are fungi. It’s also called tinea.
  2. CandidiasisCertain types of yeast cause candidiasis. The causative yeast is present on everybody’s body surface.
  3. SporotrichosisThis fungal infection is common among gardeners and farmers as the mould which causes sporotrichosis can be found on soil, hay and plants.
  4. Nail fungal infections: When fungus spreads to the nails it might lead to fungal nail infections.
  5. Athlete’s Foot: It’s a very common infection that can develop in non-athletes as well. This fungal infection can happen to men, women, girls and boys of every age group.

Viral Infections

  1. ShinglesHerpes zoster or shingles is caused by reactivation of the chicken pox virus.
  2. ChickenpoxRed, itchy rash caused by the varicella virus is an infectious disease that affects a great majority of children. Chickenpox usually happens once in a lifetime as the body has antibodies to protect itself from a repeat infection.
  3. Molluscum Contagiosum: It is a viral infection that leads to multiple or singular raised bumps on the skin. These bumps are called papules and resemble pearls. Consult an Expert & get answers to your questions!