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Overview
Linked to psoriasis.
Infection is possible.
When to get medical care
Call 911Not an emergency.
Get care todayRed, hot finger with fever.
See a doctor soonSwollen finger.
Causes
Causes include psoriatic arthritis and gout.
OwieClear has pages on 1 condition that can cause whole finger swollen like a sausage. Each shows how soon to get care.
Common causes
- Psoriatic arthritisSee a doctor if it doesn't get better
Arthritis linked to psoriasis, a skin condition with scaly patches.
What you can do at home
- Rest.
Medicines
Depends on cause.
At the doctor
Tests check.
Questions you may be asked
- Psoriasis
The exam
A hand exam.
Tests
- Blood tests
- X-ray
Prevention
Early care.
- Get checked
Check your symptoms
Most symptoms have more than one possible cause. The symptom checker looks at all of your symptoms together, plus your age, and shows how soon to get care.
Sources
Last updated 2026-11-13.