How to Flush Tadalafil (Cialis) Out of Your System
You cannot speed up tadalafil clearance, but knowing its 17.5-hour half-life helps you plan around side effects, surgery and drug interactions.


The original branded tadalafil 10mg, from £4.17 a tablet. Lasts up to 36 hours, with no subscription.
Every strength and pack size at our standard price, next to other UK online pharmacies. No subscription, and the price doesn't go up after your first order.
Strength
| Provider | 4 tablets | 8 tablets | 12 tablets |
|---|---|---|---|
| £19.99£5.00 a tablet | £34.99£4.37 a tablet | £49.99£4.17 a tablet | |
| £20.99£5.25 a tablet | £35.99£4.50 a tablet | – | |
| £20.99£5.25 a tablet | £35.99£4.50 a tablet | £52.00£4.33 a tablet | |
| £22.99£5.75 a tablet | £39.99£5.00 a tablet | £54.72£4.56 a tablet | |
| – | £85.00£10.63 a tablet | – |
Standard prices checked 10 October 2026. Excludes first-order discounts. A dash means the pack is not sold.
Arousal triggers cGMP, a molecule that boosts blood flow to the penis and helps you get an erection.
In people with ED, an enzyme called PDE5 breaks down cGMP too quickly, reducing blood flow and causing the erection to fade.
ED treatments block PDE5, helping more blood reach the penis. This leads to firmer, longer-lasting erections.
Getting started takes about three minutes.

A few questions about your health and goals. No appointment, no selfies.

Your treatment has been approved
A GPhC-registered prescriber checks it's safe and suitable. You only pay if approved.

Sent Royal Mail Tracked in plain, unbranded packaging.

Message your pharmacist any time, for as long as you're with us.
Complete our quick online consultation to see if Cialis Together® is right for you.
Start consultationExpert advice from our pharmacist team
You cannot speed up tadalafil clearance, but knowing its 17.5-hour half-life helps you plan around side effects, surgery and drug interactions.
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The 'elephant root trick' is a social media term for Butea superba supplements. Here's what the clinical evidence actually shows and why UK men should be cautious.
Vicks VapoRub has gone viral as an ED 'remedy'. A UK pharmacist explains why it doesn't work, why applying it to genital skin is risky, and what does.
L-citrulline can modestly improve erections in mild ED, but the evidence is thin. Here's what one small RCT found, how to dose it, and how it compares to licensed treatments.
Cialis has a generic twin that costs a fraction of the price. Here's what it's called, real UK price ranges, and who shouldn't take it.
Medically reviewed by

Superintendent PharmacistGPhC: 2220517
This page has been reviewed by our clinical team to ensure it is clear, accurate, and up to date.
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