Conditions

Patient-first education for complex conditions.

Built with clinicians and patient communities. We focus on conditions that are often missed, misdiagnosed, or under-recognized in routine care.

Featured conditions

Trusted, patient-first explanations of complex conditions.

Overviews, common triggers, and what current research suggests — written in clear language, reviewed for accuracy.

POTS

Postural Orthostatic Tachycardia Syndrome

An autonomic disorder marked by excessive heart rate increase upon standing.

Triggers · Dehydration · Prolonged standing
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RCVS

Reversible Cerebral Vasoconstriction Syndrome

A rare condition causing thunderclap headaches from transient cerebral artery narrowing.

Triggers · Vasoactive medications · Postpartum period
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Parsonage-Turner

Parsonage–Turner Syndrome

Sudden-onset shoulder and arm pain followed by weakness, often immune-mediated.

Triggers · Recent infection · Vaccination
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Lyme Disease

Borrelia burgdorferi Infection

Tick-borne infection with multisystem effects; presentation varies widely by stage.

Triggers · Tick exposure · Endemic geography
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Dysautonomia

Autonomic Nervous System Dysfunction

An umbrella for conditions affecting heart rate, blood pressure, digestion and temperature.

Triggers · Prolonged standing · Illness recovery
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Chronic Migraine

≥15 headache days/month, ≥8 with migraine features

A neurological condition with sensitivity to light, sleep, and hormonal cues.

Triggers · Sleep disruption · Hormonal cycles
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