What to apply to a flea bite on a human? - briefly
Apply a topical antihistamine or low‑strength hydrocortisone cream to reduce itching and inflammation, and soothe the area with a cool compress or calamine lotion. If swelling persists, an oral antihistamine can be taken as directed.
What to apply to a flea bite on a human? - in detail
Flea bites on a person cause localized redness, swelling, and itching. Prompt treatment reduces discomfort and prevents secondary infection.
Immediate care
- Clean the area with mild soap and water.
- Pat dry with a clean towel.
- Apply a cool compress for 5–10 minutes to lessen swelling.
Topical agents
- Over‑the‑counter hydrocortisone 1 % cream, applied 2–3 times daily, eases inflammation and itch.
- Calamine lotion or zinc oxide paste provides a soothing barrier and reduces irritation.
- Antihistamine creams (e.g., diphenhydramine) control histamine‑mediated itching.
- Antiseptic ointments containing bacitracin or mupirocin protect against bacterial colonization if the skin is broken.
Oral medications
- Non‑prescription antihistamines (cetirizine, loratadine, diphenhydramine) taken according to package directions relieve systemic itching.
- Nonsteroidal anti‑inflammatory drugs (ibuprofen, naproxen) can be used for pain and swelling, respecting dosage limits.
When medical evaluation is required
- Persistent redness, pus, or worsening pain after 48 hours.
- Fever, chills, or swollen lymph nodes.
- Extensive reaction covering large skin areas or signs of anaphylaxis (difficulty breathing, throat swelling).
Prevention tips
- Treat pets with veterinarian‑approved flea control products.
- Wash bedding and clothing in hot water regularly.
- Vacuum carpets and upholstery frequently; dispose of vacuum bags promptly.
- Use indoor insecticidal sprays or traps as directed.
Applying the appropriate topical and, if needed, oral treatments promptly minimizes symptoms and lowers the risk of complications.