| Abbreviation | Definition |
|---|---|
| SACO | Serial Analysis Of Chromatin Occupancy |
| SAD | Seasonal Affected Disorder |
| SAD | Seasonal Allergy Distress |
| SAD | Simple Anxiety Defect |
| SAD | Situational Affected Depression |
| SAD | Social Anxiety Disorder |
| SAD | Stoupa Addiction Disorder |
| SAD | Stress Anxiety and Depression |
| SAD | Stress, Anxiety, and Depression |
| SAD | Swinford Anxiety Disorder |
| SADA | Spatial Analysis and Decision Assistance |
| SADD | Short Alcohol Dependence Data |
| SADS | Seasonal Affective Disorder Syndrome |
| SADS | Sudden Adolescent Death Syndrome |
| SADS | Sudden Arrhythmia Death Syndrome |
| SADS-C | Schedule of Affective Disorders and Schizophrenia - Change |
| SAE(s) | serious adverse event(s) |
| SAEM | Society for Academic Emergency Medicine |
| SAFC | Stabilization, Awareness, Flexibility, and Control |
| SAFD | Schizophrenic AFfective Disorder |