Bug Bites that Blister

What are bug bites that blister?

There are 170 varieties of bugs which are present in this earth and most of them have the tendency to bite human for different reasons. Some of them bite us for their food, some needs shelter or sometimes for protection reasons. After bug biting, blister formation is quite common symptom.

Bug Bites Blister

Image 1: Bug Bites Blister

The identification of bug is essential to treat the bug bites as some of them are fatal or causes serious illness. Mosquitoes, fleas, and mites cause itching and related discomfort, whereas, tick bites causes serious illness which include Lyme disease, Rocky Mountain spotted fever. These bugs mainly transmit infectious germs from one to others. Mosquito are common and spread some infections germs like West Nile virus, Plasmodium vivax etc.

Causes of Bug Bites Blisters

Most of the bug bites causes blisters; their stings or saliva contains some irritable chemicals which stimulates our mast cells and histamine gets secreted.  Histamine causes inflammation and allergic reaction. The usual symptoms are redness, swelling, itching or pain in the affected area and some forms blisters.


The bugs are of different types and their bites causes various types of reaction in different peoples. Some of the common types of bug bites and their reaction in human body are discussed below:

Insect Bites

After an insect bite, the reaction sensitive people gets abscess which fills with fluid and become a blister.

Spider Bites

The effect of spider bite usually occurs after one to two days of biting. The bitten area develops an erupted blister. Rarely the blister turn to dark outer layer called an eschar around the blister and it takes to recover more than one week. This is mainly caused by brown recluse spider. This is a rare condition, but if this type of symptoms developed then take immediate medical assistance otherwise untreated condition will causes expansion of ulceration.

Bee Stings

Some insects which include bees, wasps, hornets and yellow jackets cannot bite but they insert their stings to human skin which gives very painful discomfort ability. The symptoms associated with bees, wasps, hornets or yellow jackets stings are redness, inflammation, and warmth and sometimes cause itching. Some individuals also develop blisters.


Mite causes wallop on the skin which may turn to itchy blisters.

Tick Bites

Tick bites are not painful as tick saliva has some local anaesthetic effect and they can stick with skin and suck the blood. After removal of the tick the affected place is become red and lump formation is there. In severe cases it causes bruising, swelling, itchiness and gradually blister formed.

Bug Bites that Blister

Image 2: Tick Bite Blister


After a bug bite, we need not become anxious, usually self recovery takes place. If the sore does not go away by own and turn to a severe condition then bug identification is very important to start the treatment.

In initial stage, tick or other insects which insert sting, removal of the insertion is helpful to relieve the symptoms.

Steps to remember during removal of stings or other insertion

  • You should calm down and don’t be fright. Never use petroleum jelly like Vaseline, nail polish, liquid soap, or kerosene at the site of insertion. All these application may cause infection.
  • For removal of tick take a small tweezers, closely grasp the inserted materials at the site of attachment to the child’s skin and gently but steadily drag in upward direction.
  • When you lift the tweezers, be careful that you should not twist the tweezers nor don’t put uneven pressures which may cause part of sting remain at the skin which causes further discomfort.
  • After removal of the sting wash the place with soap water and topically apply some antiseptic lotion.
  • If part of attachment remain inside then don’t try to create over pressure which irritates the skin and causes skin injury. That part may come up with time.
  • Do not irritate the bug otherwise they may again sting.

If bug bites causes blister formation then do not burst the blister as it creates further infection. After a bug bite following measures help to reduce the discomfort.

  • Put an adhesive bandage on affected area for avoid any type of irritation
  • Topical application of antiseptic cream fastens the healing and protects from further infection.


Sometimes bug bites cause secondary infection and even scratching, bursting of a blister may worsen the condition and delay the healing procedures and new skin development is hampered. Allergy susceptible person may develop urticaria. In severe cases anaphylactic shock may be experienced by some individuals.


  1. http://www.everydayhealth.com/skin-and-beauty-photos/how-to-identify-common-bug-bites.aspx#01
  2. http://www.webmd.com/skin-problems-and-treatments/features/coping-bug-bites
  3. http://skincare.lovetoknow.com/skin-conditions/bug-bites-that-blister
  4. http://www.nhs.uk/Conditions/Bites-insect/Pages/Treatment.aspx
  5. http://www.optiderma.com/articles/bug-bites-blister/
  6. http://www.newhealthguide.org/Bite-Blisters.html

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