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MCAS Trigger & Symptom Tracker Spreadsheet | Histamine Log, Reaction Dashboard | Google Sheets + Excel

Price:$15.14

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Highlights

Living with MCAS means detective work — logging every meal, every environment, every reaction. This tracker does the pattern analysis for you, building a personalised trigger matrix so you can finally see what's causing what.

What's included (10 tabs):

📋 Instructions — plain-English setup guide
📅 Daily Log — baseline symptoms, fatigue, sleep with colour-coded severity
⚡ Reaction Log — timestamp, trigger type (food/environment/medication/stress/unknown), symptoms by body system (skin/GI/respiratory/cardiovascular/neurological), severity, duration, rescue meds
🍽️ Food Diary — meals with ingredients, histamine risk rating (colour-coded green to red), reaction Y/N, delay timing
🔥 Flare Diary — flare start/end, duration auto-calculated, severity, triggers, what helped
🎯 Trigger Matrix — auto-populated from your Reaction Log: your personal top triggers ranked by frequency and severity
📊 Baseline vs Flare — side-by-side symptom comparison across 10 domains to show your doctor exactly what a flare looks like
💊 Medication Tracker — rescue med usage, doses, missed doses, monthly adherence %
🏥 Medical Info — GP, specialists, diagnoses, allergies, emergency contacts — all in one printable sheet
📊 Dashboard — auto-updating: top triggers, reaction trends, body systems most affected, days in flare vs baseline

Key features:
• Trigger Matrix auto-populates from your Reaction Log — no manual analysis required
• Histamine risk colour-coded in the Food Diary — green/yellow/amber/red at a glance
• Baseline vs Flare comparison — built for doctor appointments and MCAS assessments
• Multi-system symptom tracking — covers all five major body systems
• Works on the Google Sheets mobile app — log reactions in the moment

How it works:
1. Purchase → instant .xlsx download
2. Upload to Google Drive → File → Make a Copy
3. Or open directly in Microsoft Excel
4. Start logging — the Trigger Matrix and Dashboard update automatically

Compatible with: Google Sheets (free) · Microsoft Excel 2016+

Who it's for: Anyone diagnosed with MCAS, suspected MCAS, histamine intolerance, or mast cell disorders who needs to identify triggers and communicate patterns to their care team.

This is a self-use tracking tool, not medical advice. Always consult your healthcare provider.

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Listed on Sep 13, 2026
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