What to do if fleas have bitten the legs and they itch? - briefly
Clean the bites with mild soap and cool water, then apply a topical antihistamine or hydrocortisone cream to soothe the itching; if discomfort continues, take an oral antihistamine and eliminate fleas from the living area with appropriate insecticide treatments.
What to do if fleas have bitten the legs and they itch? - in detail
Flea bites on the lower limbs often produce red, itchy welts that can become uncomfortable quickly. Immediate care focuses on reducing inflammation and preventing infection.
First, cleanse the affected area with mild soap and lukewarm water. Pat dry with a clean towel; avoid rubbing, which can aggravate the skin. Apply a cold compress for several minutes to diminish swelling and soothe the itch.
Next, treat the irritation with over‑the‑counter options:
- Hydrocortisone cream (1 %) applied two to three times daily for up to a week.
- Antihistamine tablets (e.g., cetirizine 10 mg) taken once daily, or topical antihistamine gels for localized relief.
- Calamine lotion or a zinc‑oxide paste to form a protective barrier and dry out weeping lesions.
If the bites appear infected—signs include increasing redness, warmth, pus, or fever—consult a healthcare professional promptly. Prescription antibiotics or stronger corticosteroids may be required.
Preventing additional bites involves addressing the source:
- Wash bedding, clothing, and pet blankets in hot water (≥ 60 °C) and dry on high heat.
- Vacuum carpets, upholstery, and pet sleeping areas thoroughly; discard the vacuum bag or clean the canister afterward.
- Treat household pets with veterinarian‑approved flea control products, such as topical spot‑on treatments or oral medications.
- Use a flea‑comb on animals daily, disposing of combed insects into soapy water.
- Apply an insect‑growth regulator (e.g., pyriproxyfen) to indoor environments to interrupt the flea life cycle.
Maintain skin health by keeping nails trimmed to reduce scratching, which can introduce bacteria. Moisturize the skin after treatment to restore the barrier function.
Monitor the reaction for several days. If itching persists beyond a week, spreads, or is accompanied by severe swelling, seek medical evaluation to rule out allergic responses or secondary infection.