What should be applied to bed bug bites to relieve itching? - briefly
Apply a low‑potency corticosteroid cream (e.g., 1 % hydrocortisone) or an antihistamine lotion to lessen inflammation and itch. A cold compress or calamine lotion can also give immediate soothing relief.
What should be applied to bed bug bites to relieve itching? - in detail
Applying a topical agent that reduces inflammation and blocks histamine release provides the most effective relief from the itching caused by Cimex lectularius bites. Over‑the‑counter options include:
- Hydrocortisone cream (1 %) – a mild corticosteroid that diminishes swelling and pruritus. Apply a thin layer to the affected area two to three times daily for up to 7 days.
- Antihistamine ointments such as diphenhydramine – interfere with histamine‑mediated itch signals. Use as directed on the label; avoid excessive application to prevent skin irritation.
- Calamine lotion – a zinc‑oxide based preparation that cools the skin and creates a protective barrier. Reapply every 2–3 hours until symptoms subside.
- Topical anesthetics containing benzocaine or lidocaine – numb the skin temporarily. Limit use to a few applications per day to reduce the risk of allergic reactions.
When oral medication is preferred, a systemic antihistamine (e.g., cetirizine, loratadine, or diphenhydramine) can be taken at the recommended dose to lessen overall itch intensity. For severe or persistent reactions, a prescription‑strength corticosteroid (hydrocortisone 2.5 % or a short course of oral prednisone) may be required under medical supervision.
Adjunctive measures enhance the primary treatment:
- Cold compresses – apply a clean, damp cloth chilled in the refrigerator for 5–10 minutes. The temperature drop constricts blood vessels, reducing edema and discomfort.
- Gentle cleansing – wash the bite with mild soap and lukewarm water to remove irritants and lower infection risk. Pat dry; avoid vigorous rubbing.
- Moisturizing – a fragrance‑free emollient maintains skin barrier integrity, preventing secondary dryness that can worsen itch.
Avoid scratching, which can break the skin, introduce bacteria, and prolong healing. If signs of infection appear—redness spreading beyond the bite, pus, or fever—seek professional medical care promptly.