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膝后肿胀疼痛，...、呈马蜂螫型游走性水肿、畏光及流泪
Loiasis: Loa loa in subcutaneous connective tissue; migratory Calabar swellings, filarial conjunctivitis, arthralgia.
Migratory edematous swelling; photophobia/tearing
Whitish translucent filariform; male 30-34 × 0.35-0.43 mm; female 50-70 × 0.5 mm; subcutaneous/subconjunctival, survives 15 years. Microfilariae 250-300 × 6-8.5 µm; diurnal periodicity 10-15 h. Chrysops fly vector; L3 develops 7 days; mature in human ~1 year. Migratory adults cause symptoms.
Drug therapy, supportive therapy
Treat patients; insecticides for Chrysops; DFB (diethylcarbamazine) 200 mg/d × 3 d monthly; repellent (dimethyl phthalate).
It is recommended to visit the Infectious Diseases department; an appointment can be booked on this platform before the visit.
Warm reminder: The above information is for health science reference only and cannot replace professional medical diagnosis. If you have related symptoms, please seek medical attention at a regular hospital promptly.
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