Saline irrigation 50 to 100 mL per hour for 24 to 48 hours
Hand therapy initiation
Early passive and active range-of-motion exercises
Prevents permanent tendon adhesions
Patient Discharge Instructions
copy discharge instructions
Home care after finger tendon sheath infection (flexor tenosynovitis)
Complete the full course of prescribed antibiotics
Do not stop early even if feeling better
Keep the hand elevated above heart level to reduce swelling
Use a sling or pillow when resting
Wound care as directed by your surgeon
Keep dressing clean and dry unless instructed otherwise
Attend all hand therapy appointments
Gentle range-of-motion exercises are critical to prevent stiffness
Warning signs requiring return to emergency
Increasing pain, swelling, or redness in the finger or hand
Fever above 38.5 degrees Celsius
Finger turning pale, blue, or cold
Numbness or loss of feeling in the finger
Wound drainage increasing or becoming foul smelling
Inability to move the finger that was previously improving
New pain spreading into the wrist or palm
Follow up instructions
Hand surgery or orthopedic clinic within 24 to 48 hours of discharge
Occupational therapy or hand therapy referral as arranged
Infectious disease follow up if prescribed extended antibiotics
Activity and return to work
No heavy lifting or gripping with the affected hand until cleared by surgeon
Return to work timeline depends on hand function recovery
Protective gloves recommended once cleared for manual tasks
References
Guidelines and key sources
Foundational and guideline references
Kanavel AB original description of flexor tenosynovitis signs published 1912
Classic four cardinal signs remain standard teaching
Current literature on PFT management
Pang HN et al classification system for PFT prognosis (Stages I, II, III)
MRSA predominance in contemporary PFT series
American Society for Surgery of the Hand guidelines
Surgical management recommendations for flexor tenosynovitis
Diagnostic and prognostic evidence
Studies showing only 34% of PFT cases present with all 4 Kanavel signs
Clinical aggregate approach rather than requiring all signs
Radiographic criterion: 7 mm soft tissue thickness difference at proximal phalanx
PPV of 82% for PFT diagnosis
Point-of-care ultrasound emerging evidence for sheath fluid detection
Coding references
ICD-10 M65.04 pyogenic flexor tenosynovitis of finger
SNOMED CT pyogenic flexor tenosynovitis disorder
ICD-10 L03.01 cellulitis of finger as key differential code
ICD-10 M65.0 abscess of tendon sheath
SymptomDx is an educational tool for medical professionals. It does not replace clinical judgment. Verify all clinical data and drug dosages with authoritative sources.