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Track your symptoms,
understand your
triggers

Log flares, identify patterns, and share insights with your care team — all in one place.

Log Symptom Find Patterns View Report
Hives · Severity 7
GI Pain · Active
Offline · Synced
Trigger: Wheat
↓ 23% fewer flares
Symptom Trends
Improving Last 30 days

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Understand your flares

MastCell Tracker maps your symptoms over time, helping you and your care team see the full picture — one entry at a time.

Surface hidden patterns

Connect symptoms to foods, environments, and activities. Spot correlations that are impossible to see day to day.

Share with your care team

Generate clear, structured reports your doctors can actually use — making every appointment more informed and productive.

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How you can use MastCell Tracker

Log Entry
Hives on arms, flushing, stomach cramps. Severity 7/10. Ate out for lunch — chicken, soy sauce, wine vinegar.
Attachments
photo.jpg
2.1 mb
meal-log
txt
Flare logged — Wed Mar 4, 1:42 PM
Possible triggers identified
  • Soy sauce — high histamine, flagged 4× this month
  • Wine vinegar — known histamine liberator
  • Eating out — 6 of your last 8 flares followed a restaurant meal
  • Severity trending up this week — consider contacting care team
Query
What foods or activities have most often preceded my flares in the last 60 days?
Date range
Jan 3 – Mar 4
60 days
Top triggers — last 60 days
Ranked by co-occurrence with flares
  • Fermented foods — present before 11 of 14 flares
  • High-stress days — correlated with 9 of 14 flares
  • Alcohol — appeared in 7 of 14 flare logs
  • Exercise within 2 hrs of eating — 5 occurrences
Generate
Create a summary report for my allergist appointment on March 10th covering the last 3 months.
Export as
report.pdf
ready
3-month summary for Dr. Patel
December 2025 – March 2026
  • 38 flares logged — avg severity 6.2 / 10
  • Most common symptoms: flushing, urticaria, GI cramping
  • Peak flare days: Fridays and Saturdays
  • Current medications logged with dosage history
Medication log
Took cetirizine 10mg at 8am, cromolyn 200mg before lunch. Slight nausea after cromolyn — same as last Tuesday.
Schedule
today
3 doses
Medication note saved
Pattern detected
  • Nausea after cromolyn logged 3× in last 2 weeks
  • All 3 occurrences within 30 min of taking with food
  • Suggestion: try taking 45 min before meals instead
  • Reminder set for next cromolyn dose at 6:00 PM

Keep tracking with MastCell Tracker

Flares this month
8
↓ 3 fewer than last month
Avg severity
5.4
↓ improving trend
Top trigger
Fermented foods
11 of 14 flares
Daily severity — last 14 days

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