Some treatment options for chigger bites are an oral antihistamine and a corticosteroid ointment to apply on the bites, states MedlinePlus. To relieve the symptoms of a chigger bites, which are extremely itchy skin, rash and possible swelling, apply calamine lotion to the bites.
Chigger bites, which can be painless, occur generally in areas like the ankle and waist. Symptoms appear a few hours after chiggers inject an enzyme found in their saliva. These basic treatments can relieve the bite symptoms, which can last a few days. However, scratching may lead to a skin infection. An infected bite wound can require antibiotics, notes KidsHealth.