Lymphedema Stage in Lymphatic Filariasis (Dreyer, 7 Stages)
Stages filarial lymphedema of a leg or arm from 1 to 7 by the Dreyer scheme (WHO 2001): the highest feature wins, staging waits 30 days after an acute attack, and WHO grades print beside it.
Open the tool → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.
Example
- Acute attack in the last 30 days
- No
- Swelling goes down overnight
- No
- Skin folds
- Shallow skin folds
- Knobs
- Yes
- Mossy foot
- No
- Unable to do daily activities without help
- No
Result: Stage 4: knobs.
The tool opens with these values already filled in. Replace them with your own.
What you enter
- Acute attack in the last 30 days
- Swelling goes down overnight
- Skin folds
- Knobs (bumps or lumps on the skin)
- Mossy foot
- Unable to do daily activities without help
How this is calculated
Citation
Dreyer G, Addiss D, Dreyer P, Noroes J. Lymphoedema staff manual: treatment and prevention of problems associated with lymphatic filariasis. WHO/CDS/CPE/CEE/2001.26a. Geneva: WHO; 2001, pp. 9-13. Read the source ↗
A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.