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Mosquito Bite
Aka: Mosquito Bite, Mosquito
- See Also
- Diptera
- Insect Bite
- Stinging Insect Allergy
- Bee sting
- Mosquito Bite
- Chigger Bite
- Flea Bite
- Bed Bug
- Spider Bite
- Tick Bite
- Scorpion
- Vector Borne Disease
- Vector-borne Disease Prevention
- Pathophysiology
- Mosquitos are a type of biting Diptera (2 winged Insect)
- Includes Flies, Gnats, Midges
- Bite conditions
- Attack exposed skin
- Active during cooler times of day, and out of sun
- Disease Vector
- Malaria
- Yellow Fever
- Dengue Fever
- Rift Valley Fever
- EncephalitisArboviruses
- California (including LaCrosse) Encephalitis
- Saint Louis Encephalitis
- Eastern equine Encephalitis
- Western equine Encephalitis
- West Nile Virus Encephalitis
- Japanese Encephalitis
- Signs: Local reaction
- Phase 1:
- Immediate wheal forms at bite site
- Reaction to:
- Histamine in insect Saliva
- IgE-mediated reaction to insect Saliva
- Phase 2:
- Erythematous Papules follow in 2-6 hours
- Local swelling
- Intense Pruritus
- Management
- Oral Antihistamines
- Cold packs
- Calamine lotion
- Zyrtec (10 mg qd)
- Reduces Pruritus and post-bite Papule
- Active for up to 12 hours after taking dose
- Topical Anesthetic or Antihistamine
- AVOID repeated use
- May result in Allergic Contact Dermatitis
- Topical Corticosteroids
- Slower response compared with other topicals
- Beware associated atrophy
- Avoid on face and intertriginous areas
- Use mild preparations
- Homemade remedies (unknown efficacy)
- Apply Toothpaste or baking soda paste to area
- Prevention
- See Prevention of Mosquito Bite
- Highly effective prevention in Mosquito exposure
- N,N dethyl-m-toluamide (DEET, under 30%)
- Permethrin
- Spray clothes and bed netting only (not skin)
- Permethrin remains despite several washings
- Very effective in combination with DEET
- Ineffective agents in preventing Mosquito Bites
- Vitamin B1
- Citronella
- Resources
- CDC Mosquito-Borne Disease
- http://www.cdc.gov/ncidod/diseases/list_mosquitoborne.htm