Parasitic infection by filarial worms (e.g., causes elephantiasis)
VA doesn't add ratings together. It combines them using the table in 38 CFR § 4.25, so two ratings usually total less than their sum.
When the disease is active, medical records confirming an active filariasis infection — such as lab results identifying the parasite, clinical notes documenting symptoms, or treatment records — support the 100% rating. After the infection resolves, evidence of residual conditions becomes the focus. Medical records documenting epididymitis, lymphangitis, lymphatic obstruction, or lymphedema would be relevant, as would imaging, lab work, or clinical measurements showing the extent of swelling or obstruction in affected limbs, genitals, or breasts. Your own statements, and statements from people who know you, describing how these residuals affect your daily activities and ability to work can also help show the severity of each lingering condition, since each residual is rated separately under its own body system.
VA exam form (DBQ) for this condition:
If your service meets the rules below, VA presumes this condition is connected to it.
Conditions that are often caused or made worse by this one. If you have any of these, they may be claimable as secondary service connection.
