I take Hydrochlorothiazide 25mg every mo
Ask
I take Hydrochlorothiazide 25mg every morning at 8:00 AM for mild hypertension.
Today I got caught up in back-to-back morning meetings and completely forgot to take it. It is now 3:30 PM.
My main worry is that since it's a diuretic ('water pill'), taking it late in the afternoon will keep me running to the bathroom all night and ruin my sleep, but I don't know if skipping it will cause a dangerous BP spike.
I live in Chicago, IL (America/Chicago). Can you check what the official FDA leaflet says about missed doses, set up a daily 08:00 AM alarm, and give me a question list to verify with my prescribing doctor or pharmacist?
Answer
Quick read on your three asks: I have the FDA-mirrored missed-dose language, I tried to add a new 08:00 alarm but hit your 20-alarm cap, and the question is on the visit-notes list for your prescriber/pharmacist.
**What the official patient leaflet says (USA / NIH MedlinePlus, mirrors the FDA label):**
> "What should I do if I forget a dose?
> Take the missed dose as soon as you remember it. However, if it is almost time for your next dose, skip the missed dose and continue your regular dosing schedule. **Do not take a double dose to make up for a missed one.**"
> Source: MedlinePlus — Hydrochlorothiazide (NIH / NLM) · https://medlineplus.gov/druginfo/meds/a682571.html
The exact cutoff for "almost time" is not specified on the page — that's the part your prescriber or pharmacist fills in for *you*. Do not self-judge and do not double up.
**On your bathroom-at-night worry — a fact from the FDA label, not a verdict:**
The same DailyMed label (Avet / Heritage HCTZ tablet) states diuresis *"begins within 2 hours, peaks in about 4 hours and lasts about 6 to 12 hours."* So a tablet taken at 3:30 PM will still be active into the late evening and likely overnight — your concern is consistent with the drug's pharmacokinetics. Whether that trade-off (one disrupted night vs. one missed dose) is the right call today is a decision for your prescriber or pharmacist, not me.
Source: DailyMed — HYDOCHLOOTHIAZIDE tablet · https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=c59c4230-7cea-4259-9f2f-6a568716fedf
**eminder — current state (honest report):**
| Item | Status |
| --- | --- |
| New 08:00 alarm I tried to create | **Not created** — your account is already at the 20-alarm cap |
| Existing daily 08:00 alarms already running on your account | 3 found — `4656c7ca` (08:13:16 CT), `c4eb5629` (08:06:13 CT), `11144c49` (08:13:09 CT). One of these may already be your HCTZ alarm, but I can't tell which is yours without asking |
| Timezone | America/Chicago (used for any new alarm) |
I don't want to disable one of your other meds to free a slot. **Tell me which of those three `schedule_id`s is your HCTZ alarm** (or say "none of them — pick one to disable and create a fresh one named for HCTZ"), and I'll line it up. Tomorrow morning 08:00 will still need an alarm one way or the other.
**Visit-note saved:** your question — *"I forgot my morning dose and it is now 3:30 PM. Should I take the missed dose now or skip it and resume tomorrow morning?"* — is now on the list for your next prescriber or pharmacist contact. Just bring it up at the next call/visit; the file is `med-reminder/visit-notes.md`.
**Two things I won't do, by design:**
- I won't tell you to take it or skip it. That's a clinical call.
- I won't pretend the new alarm was built — it wasn't, and silently swapping one of your existing 08:00s could silence another med.