- Salicylate Poisoning
- Salicylate Poisoning, Acute, Treatment (algorithm)
- Salivary Gland Calculi/Sialadenitis
- Salivary Gland Tumors
- Salmonella Infection
- Sandifer Syndrome
- Sarcoidosis
- Scabies
- Scarlet Fever
- Schistosomiasis
- Schizophrenia
- SCIWORA Syndrome (Spinal Cord Injury without Radiologic Abnormality)
- Scleritis
- Scleroderma
- Seasonal Affective Disorder
- Seizure, New Onset (algorithm)
- Seizure Disorder, Absence
- Seizure Disorder, Focal
- Seizure Disorders
- Seizures, Febrile
- Sepsis
- Serotonin Syndrome
- Serum Sickness
- Sesamoiditis
- Sever Syndrome
- Sexual Dysfunction in Women
- Shared Delusional Disorder
- Sheehan Syndrome
- Shoulder Pain
- Shoulder Pain, Diagnosis (algorithm)
- Shoulder Pain, Treatment (algorithm)
- Sickle Cell Anemia, Acute, Evaluation and Management (algorithm)
- Sickle Cell Disease in Pregnancy
- Sick Sinus Syndrome (algorithm)
- Silicosis
- Sinusitis
- Sleep Apnea, Obstructive
- Sleep Disorder, Shift Work
- Smell and Taste Disorders
- Somatic Symptom (Somatization) Disorder
- Spider Angioma (Nevus Araneus)
- Spinal Stenosis
- Sporotrichosis
- Sprain, Ankle
- Sprains and Strains
- Squamous Cell Carcinoma, Cutaneous
- Staphylococcal Toxic Shock Syndrome
- Status Epilepticus
- Steatohepatitis, Nonalcoholic (NASH)
- Stevens-Johnson Syndrome
- Stokes-Adams Attacks
- Stomatitis
- Stress Fracture
- Striae Distensae
- Stroke, Acute (Cerebrovascular Accident [CVA])
- Stroke (algorithm)
- Stroke Rehabilitation
- Subclavian Steal Syndrome
- Subconjunctival Hemorrhage
- Subphrenic Abscess
- Substance Use Disorders
- Sudden Infant Death Syndrome
- Suicide
- Suicide, Evaluating Risk for (algorithm)
- Superficial Thrombophlebitis
- Superior Vena Cava Syndrome
- Surgical Complications
- Sweet Syndrome (Acute Febrile Neutrophilic Dermatosis)
- Syncope
- Syncope, Reflex (Vasovagal Syncope)
- Syncope (algorithm)
- Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH)
- Synovitis, Pigmented Villonodular
- Syphilis
5-Minute Clinical Consult