A 20-year-old girl was referred with vision loss upon closantel use. Plasma exchange and high-dose corticosteroid pulse therapy were administered. A 2.5-year follow-up showed improved vision and increased layer thickness of the peripheral nerve fiber. Early treatment with plasma exchange and high-dose corticosteroid therapy can be beneficial to reverse closantel toxicity.
Keywords: blindness; closantel; toxicity.
© 2021 The Authors. Clinical Case Reports published by John Wiley & Sons Ltd.