Skip to content

Diethylcarbamazine

    DEA Class; Rx

    Common Brand Names; Hetrazan

    • Anthelmintics

    Microfilaricidal and macrofilaricidal

    Indicated for

    • Filarial Diseases
    • Loa Loa
    • M. Streptocerca
    • Tropical Pulmonary Eosinophilia 
    • Larva Migrans, Visceral

    No studies reported

    • Encepholopathy (rare)
    • Fever
    • GI disturbances

    Pregnancy Category: X

    Lactation: not known if excreted in breast milk

    Filarial Diseases

    IND protocol from CDC available for treatment of certain filarial diseases, including lymphatic filariasis caused by infection with Wuchereria bancrofti, Brugia malayi, or Brugia timori

    Day 1: 50 mg PO PC

    Day 2: 50 mg PO TID

    Day 3: 100 mg PO TID

    Day 4-14: 6 mg/kg/day PO divided TID

    Loa Loa

    Day 1: 50 mg PO PC

    Day 2: 50 mg PO TID

    Day 3: 100 mg PO TID

    Day 4-21: 9 mg/kg/day PO divided TID

    M. Streptocerca

    6 mg/kg PO qDay x14 days  

    Tropical Pulmonary Eosinophilia

    IND protocol from CDC available for treatment of tropical pulmonary eosinophilia

    Pulmonary eosinophilia, tropical: 6 mg/kg/day divided TID x14 days  

    Larva Migrans, Visceral

    6 mg/kg/day PO divided TID x7-10 days 

    Not commercially available in the U.S.

    Diethylcarbamazine

    tablet

    • 100mg