Daily Tadalafil: Tadalafil 5mg Daily — Complete UK Guide
How it works, who it suits, the build-up period, the BPH dual licence, side effects and daily vs on-demand.
Part of the Access Doctor Erectile Dysfunction guide.
Key fact: Daily tadalafil 5mg keeps a steady level of the drug in your bloodstream, so PDE5 inhibition is continuous and there's no dosing window to think about. Once steady state is reached (after about 5–7 days), erections become easier whenever you're sexually stimulated — no planning around a tablet required.
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Start Consultation →Who Is Daily Tadalafil For?
Men who want complete spontaneity
On-demand ED medication always means planning ahead — taking a tablet 30–60 minutes before sex. Daily tadalafil takes that out of the equation. No timing, no planning, no dosing window.
Men who have sex 2+ times a week
If you're sexually active often, 5mg daily can work out cheaper per use than repeated on-demand 10mg or 20mg doses. A prescriber can advise based on your pattern.
Men with BPH
Tadalafil 5mg daily holds a dual MHRA licence for both ED and lower urinary tract symptoms linked to benign prostatic hyperplasia (BPH) — the only ED medication with this dual indication. One tablet treats both.
Men who find on-demand timing stressful
Some men find having to anticipate sex and time a dose adds performance pressure. Continuous background coverage can feel psychologically easier.
How Daily Tadalafil Works Differently from On-Demand
On-demand tadalafil (10mg or 20mg) spikes to a high peak plasma concentration within 2 hours of the dose, then tails off over about 36 hours. The therapeutic window sits within the period when blood levels are at their highest.
Daily tadalafil 5mg works differently. It builds to a steady-state plasma concentration after roughly 5 days of consecutive daily dosing. Once you're at steady state, the level of tadalafil in the bloodstream stays roughly constant, giving continuous PDE5 inhibition throughout the day.
Build-up period: Daily tadalafil needs about 5–7 days of consecutive daily dosing to reach steady-state plasma concentrations. Some men notice partial improvement from days 2–3. Don't judge how well it's working before you've completed at least a full week of daily dosing. Sexual stimulation is still required — it doesn't produce spontaneous erections.
Dosage and How to Take It
| Dose | Timing | With food? | Notes |
|---|---|---|---|
| 5mg (standard daily dose) | Same time each day, every day | Yes — unaffected by food | Standard dose for most men; licensed for both ED and BPH |
| 2.5mg (reduced dose) | Same time each day, every day | Yes | For men over 75, kidney impairment, or intolerable side effects at 5mg; BPH starting dose |
- Take it at roughly the same time each day, regardless of planned sexual activity
- If you miss a dose, take your next scheduled dose at the usual time — don't double up
- Don't take on-demand tadalafil on the same day as a daily dose
- Don't combine it with other PDE5 inhibitors
Side Effects of Daily Tadalafil
- Headache and facial flushing — common at first; usually ease after 1–2 weeks as your body adapts
- Back pain and myalgia — reported a little more often with daily than on-demand dosing, because exposure is continuous; usually mild and short-lived
- Nasal congestion — less frequent than with sildenafil
- Indigestion — less tied to food than on-demand, since meals aren't timed around the dose
- Hypotension — the blood-pressure-lowering effect is continuous, which matters if you take antihypertensives or alpha-blockers
The absolute contraindication with nitrate medicines applies just as much to daily tadalafil. Because the drug is always present, the nitrate interaction is always present too, rather than time-limited. See the full tadalafil UK guide for the complete contraindication and interaction list.
Seek immediate emergency care for priapism (erection >4 hours), sudden vision or hearing loss, or chest pain. Call 999.
Daily vs On-Demand Tadalafil: Which Is Right for You?
| Daily 5mg | On-demand 10/20mg | |
|---|---|---|
| Timing of dose | Same time every day | ~30 minutes before sexual activity |
| Spontaneity | Complete — no dosing window | Requires 30–60 min advance planning |
| Best suited to | Sex ≥2x/week; spontaneity; BPH co-morbidity | Sex <2x/week; occasional use; cost preference |
| Cost | Often lower cost-per-use for frequent activity | Pay-per-use; more economical for infrequent sex |
| Side effects | Continuous; often reduce after 1–2 weeks | Time-limited; resolve with the dose |
Frequently Asked Questions
What is daily tadalafil and how does it differ from on-demand?
Daily tadalafil (5mg every day) maintains a steady background drug level with no dosing window. On-demand tadalafil (10mg/20mg) requires taking it ~30 minutes before sex for an effective window of up to 36 hours. Daily gives complete spontaneity.
How long does it take for daily tadalafil to work?
Approximately 5–7 days of daily dosing to reach steady state. Some improvement may be noticed from days 2–3. Do not assess efficacy within the first week.
Can I take daily tadalafil if I also have BPH?
Yes — tadalafil 5mg daily is the only ED medication with a dual MHRA licence for both ED and BPH. One daily tablet treats both conditions.
What if I miss a daily tadalafil dose?
Take your next dose at the usual scheduled time. Do not double up.
Who is daily tadalafil most suitable for?
Men having sex 2+ times a week, wanting complete spontaneity, with concurrent BPH, or for whom on-demand timing creates anxiety.
Does daily tadalafil cause side effects every day?
Initially, side effects may occur daily. For most men they diminish after 1–2 weeks. Reducing to 2.5mg or switching to on-demand are options if side effects persist.
References
- National Institute for Health and Care Excellence (NICE). Erectile dysfunction: Clinical Knowledge Summary. Updated 2023. cks.nice.org.uk/topics/erectile-dysfunction
- NHS. Erectile dysfunction (impotence). nhs.uk/conditions/erection-problems-erectile-dysfunction
- Carson CC et al. Tadalafil, an oral phosphodiesterase type 5 inhibitor, for the treatment of erectile dysfunction. BJU Int. 2004. PubMed: 15142153
Medical disclaimer: This article is for informational purposes only and does not constitute medical advice. ED treatments are prescription-only medicines requiring clinical assessment. In a medical emergency, call 999.