MEDVi QUAD is a clinician-directed compounded sublingual ED treatment. How-to-use content on this page is a map of publicly described technique, not a dosing order.
How Do You Use It?
Public descriptions say you place the prescribed amount under the tongue and hold it tens of seconds so it can absorb. You still need sexual stimulation for PDE5 drugs to do what labels say they do. Do not double-up because an ad promised a 15-minute onset.
- Use only the amount on your pharmacy label.
- Avoid nitrate medicines unless a clinician who knows your list says otherwise, typically they will say never combine.
- Do not mix extra ED tablets on the same day unless the prescriber planned that.
- If you miss counseling, call the pharmacy, not an affiliate chat.
| Topic | What public copy says | What we will not invent |
|---|---|---|
| Hold time | About 30–60 seconds in some explainers | A custom milligram grid |
| Onset | Some ads say 10–15 minutes | A guaranteed clock time |
| Duration | Tadalafil class effect is often cited up to 36 hours | Proof the combo lasts 36 hours in you |
How much should I take? · How long to work · Side effects · Review
Sources Checked for This Page
- FDA warning letter MEDVi, LLC dba MEDVi, 721455, 20 February 2026.
- FDA product labels for sildenafil, tadalafil, and bremelanotide (Vyleesi).
- Brand-facing MEDVi pages and 2026 secondary reporting on the QUAD formula and list prices.
Individual ingredients such as sildenafil and tadalafil are FDA-approved for other indications; the combined compounded formulation has not been evaluated by the FDA as a finished product, standard for all compounded medicines.