What should be done after a flea bite on a person? - briefly
Wash the affected area with mild soap and water, apply a topical corticosteroid or antihistamine cream to relieve itching, keep it covered, and seek medical care if redness spreads, fever appears, or severe swelling develops.
What should be done after a flea bite on a person? - in detail
When a flea pierces the skin, the first action is to cleanse the area. Use lukewarm water and mild soap, then pat dry with a clean towel. This removes saliva and reduces the risk of bacterial entry.
After cleaning, apply a topical anti‑itch agent. Options include over‑the‑counter hydrocortisone cream (1 %), calamine lotion, or a menthol‑based preparation. Limit application to the recommended frequency, typically every 4–6 hours.
If swelling or redness persists beyond 24 hours, or if the bite becomes painful, treat it with an oral antihistamine such as diphenhydramine (25–50 mg) or cetirizine (10 mg). These medications alleviate histamine‑driven inflammation and itching.
Monitor the wound for signs of infection: increasing pain, pus, warmth, or a spreading red halo. Should any of these appear, seek medical evaluation promptly; a short course of antibiotics may be required.
In individuals with known flea‑bite allergy, systemic reactions can develop. Early symptoms include hives, throat tightness, or difficulty breathing. Administer an epinephrine auto‑injector if prescribed and call emergency services without delay.
Prevent further exposure by treating the environment. Wash bedding, clothing, and pet linens in hot water (≥60 °C). Vacuum carpets and upholstery thoroughly, then discard the vacuum bag. Apply an appropriate flea control product to pets and, if necessary, to the home’s perimeter, following label instructions.
Document the incident, especially if multiple bites occur, to aid healthcare providers in assessing possible vector‑borne diseases such as murine typhus or plague. Report unusual clusters to local public‑health authorities.