What should be applied to flea bites to stop itching? - briefly
Apply a topical antihistamine or low‑strength hydrocortisone cream to reduce inflammation and relieve the itch. Follow with a cool compress or calamine lotion for additional soothing effect.
What should be applied to flea bites to stop itching? - in detail
Apply a topical antihistamine or corticosteroid to reduce the itching response. Over‑the‑counter hydrocortisone 1% cream, applied thinly two to three times daily, blocks the release of inflammatory mediators from mast cells. Antihistamine ointments containing diphenhydramine work similarly by antagonizing histamine receptors on skin nerves.
If a steroid is unavailable, a soothing barrier can be created with a film‑forming agent such as calamine lotion or a 1% menthol cream. These products produce a cooling sensation that distracts nerve endings and seals the bite, limiting further irritation.
Oral antihistamines—cetirizine, loratadine, or diphenhydramine tablets—provide systemic relief when the reaction is widespread or severe. Standard adult doses are 10 mg cetirizine or 10 mg loratadine once daily; diphenhydramine is 25–50 mg every 4–6 hours, not exceeding 300 mg per day. Use with caution in children; pediatric dosing follows the product label.
Home remedies may complement pharmaceutical options:
- Cold compress: Apply a clean, cold, damp cloth for 10–15 minutes. Reduces swelling and numbs the area.
- Aloe vera gel: 100% pure gel applied twice daily supplies moisture and anti‑inflammatory compounds.
- Oatmeal paste: Mix colloidal oatmeal with water to a thick consistency; apply for 15 minutes, then rinse. Soothes skin and reduces erythema.
- Baking soda slurry: Dissolve 1 tsp baking soda in a few drops of water; spread on the bite for 5–10 minutes. Alkaline environment can neutralize acidity of the bite fluid.
Avoid scratching; mechanical irritation prolongs the inflammatory cycle and raises infection risk. Keep the affected area clean with mild soap and water, then pat dry before applying any product. If redness expands, pus forms, or symptoms persist beyond 48 hours, seek medical evaluation for possible secondary infection or allergic reaction.