Written by Dr.Abdullah Bin Moksed (Microbiologist),Founder &CEO -dermatocarebd.com


It is an inflammation of hair follicle appeared as red-bumps,white headed pimples and sometimes blister formed around mouth or face

Dermatomicroscopical Appearance : Causative agent  for this disease 

  • Pseudomonas Aeruginosa : Gram negative rods,motile by single or multiple polar flagella,measuring 0.6 & 0.2 micromete & Occur as single bacterium ,in pairs  ,occasionally as short chain
  • Staphylococcus  spp. :  Gram stain -Gram positive,morphology-cocci(spherical),Arrangement-single cell or pairs in short chains but appear predominantly in grapes like cluster


  • Spreading small red bumps or white headed pimples that arise around hair  follicle
  • Blister containing pus & break open & crust form
  • Itching & burning sensation on affected skin
  • Painful & tender skin sometimes a large swollen bumps or mass can be found

Types of folliculitis 

There are two types of folliculitis usually found in affected patient .The superficial folliculitis involves part of the follicle, & the deep folliculitis involves the full area of follicle &  usually severe case

  • Superficial folliculitis

  1. Bacterial folliculitis : itching & white ,pus filled bumps cause staph. Aureas attack hair follicle due to they usually live on skin all the time.
  2. Hot tub folliculitis : A patch of red ,round ,itchy bumps caused by pseudomonas bacteria
  3. Razor bumps(pseudofolliculitis):there are found on face or neck who shave closely
  4. Pityrosporum folliculitis : these types of folliculitis are found with chronic itching &red pustules  on the back & chest,sometimes on the neck ,shoulder ,upper arm and face caused by yeast infection



  • Deep folliculitis

  1. Sycosis  barbae : this affects mainly in male patient who started to shave
  2. Gram negative folliculitis :this affects when a patient takes long term antibiotics for acne
  3. Boils & curbuncles :these occur when hair follicles become deeply infected with staph.bacteria .A boils usually appears suddenly as a painful pink or red bump.A curbuncle is a cluster of boils
  4. Eosinophilic folliculitis :  these type of folliculitis are found with HIV/AIDS patients .Sypmtoms are Intense itching and reccuring patches of bumps and pimples that form adjacent hair follicle of the face and upper arm of body ,once healed -the affected skin may be hyperpigmented



Systemic route :

Antibiotics -Doxycycline 100mg,Flucloxacillin 500mg for 10 days

Topical therapeutic :clindamycin phosphate 1.2%+tretinoin 0.025%

Bilastine 20mg once daily  for 10 days


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