Pathology Case Studies

Mr. Martin's Lyme disease

Symptoms & History

Physical Findings

Stop & Think

Lab and X-Ray

Differential Diagnosis

The Disease

Conclusions

Quiz & Evaluation

Treatment of active Lyme disease

Stage

Drug

Adult Dose

Erythema migrans		Doxycycline or Amoxicillin	100 mg PO bid X 21 days 500 mg PO tid X 21 days
Neurological Disease Facial nerve palsy More serious CNS		Doxycycline or Amoxicillin Ceftriaxone	100 mg PO bid X 28 days 500 mg PO tid X 28 days 2 g/day IV for 14-28 days
Cardiac disease Mild (first degree AV block) More Serious		Doxycycline or Amoxicillin Ceftriaxone	100 mg PO bid X 28 days 500 mg PO tid X 28 days 2 g/day IV for 14-21 days
Arthritis oral Parenteral		Doxycycline or Amoxicillin Ceftriaxone	100 mg PO bid X 28 days 500 mg PO tid X 28 days 2 g/day IV for 14-28 days

Back to treatment conclusions

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