Free TDM study resource · no account needed
TDM Drug Dose Tables
The doses candidates tell us they cram every morning — organized by clinical area, taken from named Canadian sources, printable, and one click away from becoming spaced-repetition flashcards in your free account.
| Drug | Indication | Dose | Notes |
|---|---|---|---|
| Ramipril | Hypertension | Initial 2.5 mg/day PO; usual 10 mg/day; max 20 mg/day (once daily or divided BID) | ACEi — first-line in single-pill combo with a thiazide |
| Perindopril | Hypertension | Initial 4 mg/day PO; max 8 mg/day | ACEi |
| Candesartan | Hypertension | Initial 8 mg/day PO; usual 8–16 mg/day, once daily | ARB — first-line in single-pill combo with a thiazide |
| Losartan | Hypertension | Initial 50 mg/day PO; usual 25–100 mg/day; max 100 mg/day | ARB |
| Amlodipine | Hypertension | Initial 2.5 mg/day PO; max 10 mg/day, once daily | Long-acting DHP CCB — added as a third step after ARB + diuretic |
| Hydrochlorothiazide | Hypertension | Initial 12.5 mg/day PO; usual 25 mg/day, once daily | Reserve >25 mg/day for resistant hypertension |
| Chlorthalidone | Hypertension | Initial 12.5 mg/day PO; usual 12.5–25 mg/day, once daily | Thiazide-like diuretic |
| Indapamide | Hypertension | Initial 1.25 mg/day PO; usual 2.5 mg/day, once daily | Thiazide-like diuretic |
| Irbesartan/HCTZ | Hypertension — initial single-pill combination | Starting 150/12.5 mg once daily; may double after 4–6 wk if BP ≥130 systolic | Example named initial combination; beta-blockers are NOT first-line without another indication |
Source: CPS — Hypertension (rev. Jan 6, 2026)
Now practice prescribing them
Memorizing doses is step one. The TDM exam tests choosing the right drug for the patient in front of you — practice with 3,500+ case-based TDM questions with guideline-referenced explanations.
Try 5 free questions →For exam preparation only. Doses are transcribed from the Canadian sources named on each table and simplified for study — always verify against the current product monograph and full guideline before any clinical use.