Hormone replacement therapy typically takes 4–12 weeks to reach full effect, and the changes it produces are often gradual. Hot flash frequency reduces slowly. Sleep improves incrementally over weeks, not days. Mood lifts so gradually that it can be hard to notice until you compare against where you started.
The problem is that without tracking, you have almost no reliable way to know whether it's working — or working enough. Your memory can't accurately compare how you feel today to how you felt 10 weeks ago. Your logged data can.
Start tracking before you start HRT
If you're considering HRT or waiting for an appointment to discuss it, start logging your symptoms now. Even two weeks of baseline data before you begin is enormously useful. With it, you can say at your 3-month review: "Before I started, I was averaging 8 hot flashes a day at severity 2–3. After 6 weeks on my current dose, I'm at 4 per day, mostly mild." That's a real conversation.
Without a baseline, you're comparing current symptoms against a memory that degrades every day. Doctors make much more targeted adjustments when they have data.
What to track around HRT changes
Log the same symptoms consistently before and after — consistency is what makes comparison meaningful. Key things to monitor:
- Hot flash frequency and severity — count per day, time-of-day clusters
- Night sweats — frequency and severity
- Sleep quality — waking episodes, restlessness
- Mood symptoms — anxiety, low mood, irritability
- Cognitive symptoms — brain fog, concentration
- Energy — fatigue and stamina
Note the exact date you started HRT (or changed dose) and the specific product and dose. With this anchored in your log, you can calculate week-by-week changes automatically.
When to reassess
Most guidelines suggest reassessing HRT at 3 months, then annually. Three months is meaningful because that's roughly when full effect has been reached. At that point, your doctor needs to know: how much have symptoms improved, and what remains problematic?
If you can show symptom frequency before HRT, at 6 weeks, and at 12 weeks — and flag which symptoms haven't responded — your clinician can make a much more targeted adjustment than if they're working from your estimation alone.
Side effects are data too
New symptoms after starting HRT — breast tenderness, headaches, nausea, bloating — are worth logging as carefully as the symptoms HRT is supposed to treat. They often resolve in the first 4–6 weeks. Tracking them lets you distinguish "this is a temporary adjustment reaction" from "this is a persistent side effect that needs review."
HRT impact tracking with Flarewise
Flarewise Premium includes HRT impact tracking: log your HRT start date and dose, and the app automatically generates a before-versus-after view of every symptom you've been logging. When your 3-month review arrives, one tap creates a clean PDF — including the HRT impact view — that your doctor can read in 60 seconds.