Health Conditions Starting With S — Research & Medical Insights

A severe mental disorder affecting perception of reality, thinking, and behavior.

Abnormal lateral curvature of the spine, most commonly appearing in adolescence.

A life-threatening systemic response to infection that can lead to organ failure.

Reactivation of the varicella-zoster virus causing a painful blistering rash.

Repeated breathing interruptions during sleep, raising cardiovascular risk.

Narrowing of the spinal canal compressing nerves and causing back and leg pain.

Interruption of blood supply to the brain causing cell death and neurological deficits.

Gastric adenocarcinoma — cancer originating in the stomach lining.

Inflammation of the sacroiliac joints causing lower back and buttock pain.

A bacterial foodborne illness causing diarrhea, fever, and abdominal cramps.

Inflammation of the fallopian tubes, most commonly from sexually transmitted infection.

A disease involving growth of small inflammatory nodules, most often in lungs and lymph nodes.

An intensely itchy skin infestation caused by microscopic mites.

A bacterial illness following strep throat, with characteristic red rash and strawberry tongue.

A tropical parasitic disease from freshwater snails affecting urinary or intestinal systems.

Pain radiating along the sciatic nerve from lower back down the leg.

An autoimmune disease causing hardening and tightening of skin and connective tissues.

Depression occurring in a seasonal pattern, most often during winter months.

A common skin condition causing scaly, flaky patches on oily areas.

Common benign skin growths that appear with age, often dark and wart-like.

A condition with recurrent seizures from abnormal brain electrical activity.

A childhood anxiety disorder where children cannot speak in specific situations.

Joint infection requiring urgent drainage and antibiotics to prevent joint destruction.

Life-threatening low blood pressure caused by overwhelming infection.

A potentially life-threatening condition from excess serotonin activity, often from medications.

A rare genetic disorder with profound immune system failure requiring bone marrow transplant.

A broad category of infections transmitted primarily through sexual contact.

Pituitary gland damage from severe blood loss during childbirth.

A bacterial infection causing bloody diarrhea, spread through contaminated food or water.

Malabsorption following extensive surgical removal of the small intestine.

An inherited blood disorder causing abnormal hemoglobin and painful crises.

Lung disease from inhaling silica dust, common in mining and construction workers.

Inflammation and infection of the sinuses causing facial pressure and congestion.

An autoimmune disease primarily causing dry eyes and dry mouth.

Abnormal growth of skin cells, with basal cell, squamous cell, and melanoma types.

A parasomnia where people walk and perform activities while asleep.

A herniated spinal disc pressing on surrounding nerves, causing back pain or sciatica.

Blockage in the small intestine preventing food passage, often from adhesions.

A devastating viral disease eradicated through global vaccination efforts.

Intense fear of social situations where one might be judged or embarrassed.

Significant focus on physical symptoms causing distress and functional impairment.

Abnormal muscle tightness from nervous system conditions like stroke or MS.

A birth defect where the spinal cord fails to develop properly.

Damage to the spinal cord that can cause permanent changes in strength and sensation.

A genetic disorder causing loss of motor neurons and progressive muscle weakness.

A tear in the spleen, usually from trauma, causing potentially fatal internal bleeding.

Forward slippage of one vertebra onto another, causing back pain and nerve symptoms.

A common skin cancer arising from squamous cells, more aggressive than basal cell.

A rare, serious skin reaction, typically drug-induced, requiring hospital care.

Red, painful lumps at the edge of the eyelid from a blocked oil gland.

A rare systemic inflammatory disease with high fevers, rash, and joint pain.

A bacterial infection of the throat causing sore throat and fever.

A small bone crack from repetitive stress, common in athletes and runners.

Urine leakage during activities that increase abdominal pressure, like coughing.

Rehabilitation process after stroke involving physical, cognitive, and emotional recovery.

A rare disorder with port-wine birthmark and neurological abnormalities.

Bleeding into the space around the brain, often from a ruptured aneurysm.

A red spot on the eye from a broken small blood vessel, usually harmless.

Problematic use of alcohol, drugs, or medications causing significant impairment.

Unexpected death from a cardiac cause within an hour of symptom onset.

SIDS — unexplained death of an infant under one year during sleep.

Skin damage from excessive UV exposure, increasing long-term skin cancer risk.

Obstruction of the superior vena cava, often from chest tumors.

Infection of the outer ear canal common after swimming in contaminated water.

Fainting — brief loss of consciousness from reduced blood flow to the brain.

A sexually transmitted bacterial infection progressing through stages if untreated.

A systemic form of scleroderma affecting internal organs as well as skin.

Cancers that begin in connective tissues like bone, muscle, or cartilage.

A blind spot or area of reduced vision within an otherwise normal visual field.

A small, soft benign growth on the skin, most often in skin folds.

Excessive bacteria in the small intestine causing bloating, gas, and diarrhea.

A malignant tumor arising from muscles, fat, blood vessels, or other soft tissues.

Intense, irrational fear of specific objects or situations.

An inherited disorder causing sphere-shaped red cells and anemia.

Vertical splitting of fingernails or toenails from various causes.

Injury to ligaments connecting bones, common in ankles and wrists.

Infections caused by Staphylococcus bacteria, ranging from minor skin to life-threatening.

A severe, prolonged asthma attack not responding to usual medications.

A medical emergency with prolonged or repeated seizures without recovery between.

Infections caused by Streptococcus bacteria, including strep throat and skin infections.

Trigger finger — catching or locking of a finger when bending it.

Blood collection between the brain and its outer covering, usually after head injury.

Blood collection under a fingernail or toenail after injury.

An abnormally fast heart rhythm originating above the ventricles.

Difficulty moving food or liquid from mouth to stomach from various causes.

Conditions affecting sweat glands including excessive or deficient sweating.

A rare disorder with too many mast cells accumulating in organs.

A rare disorder causing strokes and a mottled skin rash.

A neurological condition where stimulation of one sense triggers experiences in another.

A tumor arising in one of the salivary glands, benign or malignant.

A pus-filled pocket under the skin from bacterial infection, usually requiring drainage.

Envenomation from a venomous snake requiring urgent medical assessment.

Pott's disease — a tuberculosis infection affecting the spine.

A rare variant of squamous cell carcinoma with spindle-shaped cells.

Abnormal cells in the cervix that may progress to cancer if not monitored.

A spinal disorder in adolescents causing exaggerated rounded upper back.