| Name | Description |
|---|---|
| Rash | A temporary eruption on the skin. |
| Refrigerant | An agent that relieves feverishness and thrust or produces a feeling of coolness. |
| Remittent fever | Fever in which the temperature fluctuates considerably, but does not drop to the normal. |
| Renal | Relating to kidneys. |
| Repellent | a substance supposed to keep bats away, a substance supposed to keep snakes away, a substance supposed to keep ticks away. |
| Resolvent | Which reduces swelling or inflammation. |
| Restorative | recovery or revitalization of health. |
| Retinitis | Inflammation of retina. |
| Rheumatism | An indefinite terms used for pains and inflammation in the muscles, joints & tissues resulting in discomfort or disability. |
| Rickets | A vitamin-D deficiency of the young, often marked by the faulty ossification of bone. |
