| Abbreviation | Definition |
|---|---|
| SODNITR | Sodium Nitrate |
| SODPHOS | Sodium Phosphate |
| SODSAL | SODium SALicylate |
| SOH | State Of Health |
| SOL | Solution |
| SOL | Space Occupying Lesion |
| SOP | Sleep Onset Period |
| SOP | Superior Oblique Paresis |
| SOR | Successive Over Relaxation |
| SORT | Stabilization, Observation, Referral, And Treatment |
| SOS | Si Opus Sit (If there is a need) |
| SOS | Signs Of Stress |
| SOS | Stimulation Of Senses |
| SOS | Sudden Onset of Sleep |
| SOSF | Single Organ System Failure |
| SOT | Sacro Occipital Technique |
| SOT | Stick Out Tongue |
| SP | Sleep Paralysis |
| SP | Spine, spinal |
| SPAA | Speech Pathology and Audiology |