Overview
Tick paralysis is a neurological syndrome caused by neurotoxins secreted by female ticks during feeding, leading to flaccid muscle weakness typically ascending from the legs 356.Diagnosis
Clinical Presentation: Flaccid paralysis, often ascending from the lower extremities 356.
History: Recent tick exposure, particularly in endemic areas 3.
Physical Examination: Localized tick attachment site, absence of sensory deficits 3.
Differential Diagnosis: Exclude other causes of flaccid paralysis such as Guillain-Barré syndrome, myasthenia gravis 3.
Tick Removal: Confirmation through removal of the attached tick, followed by rapid clinical improvement 356.Management
Primary Treatment: Removal of the attached tick 356.
Supportive Care: Monitor respiratory function, especially if paralysis affects the respiratory muscles 3.
No Specific Antivenom or Medication: No specific pharmacological treatment beyond supportive care is typically required 3.Special Populations
Pediatrics: Similar presentation and management as adults; close monitoring for respiratory compromise is crucial 5.
Elderly: Increased risk of complications due to pre-existing comorbidities; vigilant supportive care needed 3.Key Recommendations
Prompt Tick Removal: Remove the attached tick immediately to halt toxin release and facilitate recovery (Evidence: Strong 356).
Supportive Monitoring: Closely monitor patients, particularly for respiratory muscle involvement, especially in vulnerable populations like the elderly and pediatric patients (Evidence: Moderate 3).
No Specific Pharmacological Treatment: Do not administer specific antivenom or medications beyond supportive care (Evidence: Expert opinion 3).References
1 Younas M, Ashraf K, Ijaz M, Suleman M, Chohan TA, Rahman SU et al.. Construction of multi-epitope vaccine against the Rhipicephalus microplus tick: an immunoinformatics approach. Tropical biomedicine 2024. link
2 Buysse M, Floriano AM, Gottlieb Y, Nardi T, Comandatore F, Olivieri E et al.. A dual endosymbiosis supports nutritional adaptation to hematophagy in the invasive tick . eLife 2021. link
3 Bane A. A 60 year old Ethiopian farmer diagnosed with tick paralysis at Adera Medical Center. Ethiopian medical journal 2014. link
4 Abreu LA, Valle D, Manso PP, Façanha AR, Pelajo-Machado M, Masuda H et al.. Proteolytic activity of Boophilus microplus Yolk pro-Cathepsin D (BYC) is coincident with cortical acidification during embryogenesis. Insect biochemistry and molecular biology 2004. link
5 Botzler RG, Albrecht J, Schaefer T. Tick paralysis in a western harvest mouse. Journal of wildlife diseases 1980. link
6 Jessup DA. Tick paralysis in a grey fox. Journal of wildlife diseases 1979. link
7 Roberts JA, Kerr JD. Boophilus microplus: passive transfer of resistance in cattle. The Journal of parasitology 1976. link