| Name | Description |
|---|---|
| Nervine | An agent that increases nerve force and lessens irritability. |
| Neuralgia | Nerve pain. |
| Nightblindness | A diseases occurred due to lack or deficiency of vitamin A, in which the patient is incapable of seeing in the dark |
| Nunupa | unidentified seed or fruit (perhaps pimenta or ficus) used by the bayano cuna for making necklaces. |
| Obesity | Fatness; An increase in body-weight beyond the limitation of skeletal and physical requirement. |
| Oedema | Swelling from the deposition of serous fluid into the cellular texture, which is synonymous to anasarca. |
| Oil plants | plants used as a source of edible or useful oils. |
| Oleagenous | Oily or having the qualities of oil. |
| Oliguria | Scanty urination. |
| Ophthalmia | Conjunctivitis. |
