Many serious conditions do not cause constant symptoms. Instead, they appear briefly, disappear, and return — creating false reassurance that “nothing is wrong.” This pattern is one of the most common reasons diagnoses are delayed.

Intermittent symptoms occur when disease processes fluctuate, compensate temporarily, or are triggered by stress, activity, or hormonal changes.

Conditions known for intermittent symptoms

• Heart rhythm disorders
• Migraines
• Asthma
• Gallbladder disease
• Autoimmune conditions
• Anxiety and panic disorders

Why tests are often normal

When symptoms are absent during evaluation, routine tests may appear normal. This does not rule out disease; it means timing matters.

Patterns that should raise concern

• Increasing frequency or severity
• Association with exertion or stress
• Night-time symptoms
• Neurological or cardiac features

What patients can do

Documenting symptom timing, triggers, duration, and associated features improves diagnostic accuracy and reduces dismissal.

Bottom line: Symptoms that disappear are not solved problems. Patterns matter more than permanence.