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Unveiling the Uncommon: Rickettsial Infections Promoting Sudden-Onset Parkinsonism
Fatemeh Jafari Roshan-Zamir1, Josna A Gigi2, Iva Conde3
1Neurology, William Carey University College of Osteopathic Medicine, Hattiesburg, USA.
Cureus
|April 14, 2025
Summary
This case study details a rare instance of parkinsonism caused by Rocky Mountain Spotted Fever (Rickettsia rickettsii). Prompt diagnosis and treatment with doxycycline led to significant improvement in the patient's movement disorder symptoms.
Area of Science:
- Neurology
- Infectious Diseases
Background:
- Neuroinflammation and parkinsonism can result from various infections.
- Parkinsonism, characterized by tremors and rigidity, is uncommonly linked to Rickettsial infections.
Observation:
- A 60-year-old male with intellectual and developmental disabilities presented with parkinsonian symptoms including shuffling gait, tremors, and rigidity.
- Antibody testing confirmed Rocky Mountain Spotted Fever (Rickettsia rickettsii) as the cause, with no other identified etiology.
Findings:
- The patient received a seven-day course of doxycycline, followed by amantadine and clonazepam for six months.
- Significant improvement was observed, including normal gait, upright posture, clearer speech, and resolution of tremors.
Implications:
- This case highlights the importance of considering Rickettsial infections as a cause of parkinsonism, particularly in endemic areas.
- It underscores the effectiveness of evidence-based management for Rickettsia-induced parkinsonism (RIP) and associated movement disorders.
- This report contributes to understanding the rare etiology, treatment, and prognosis of Rickettsial infection-induced movement disorders, differentiating it from similar cases primarily reported in Asia.
Keywords:
drug-induced parkinsonismmovement disorderparkinsonismrickettsia rickettsiirocky mountain spotted feverMore Related Videos
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