Vardenafil vs sildenafil (Levitra vs Viagra)
Vardenafil and sildenafil look alike on their labels: both are taken about an hour before sex, both peak in 30 minutes to 2 hours with a median of 60 minutes, and both have half-lives of about 4 to 5 hours. Starting doses differ: 10 mg versus 50 mg. Mendoxa's 3-in-1 tablet starts at $129.
Start your ED visit From $129/month. If prescribed · Cancel anytime · Available in 49 states (not California).
Levitra vs Viagra, label by label
| Vardenafil (Levitra) | Sildenafil (Viagra) | |
|---|---|---|
| Starting dose | 10 mg | 50 mg |
| Range | 5 to 20 mg | 25 to 100 mg |
| When to take | About 60 min before | About 1 h before; 30 min to 4 h window |
| Peak level | 30 min to 2 h (median 60 min) | 30 to 120 min (median 60) |
| Half-life | About 4 to 5 h | About 4 h |
| Frequency | Up to once daily | Once per day max |
| Brand status | Levitra discontinued; generic available | Viagra and generic available |
Side effects compared
| Medicine | Most common side effects (2% or more) |
|---|---|
| Vardenafil | Headache, flushing, nasal congestion, dyspepsia, sinusitis, flu syndrome, dizziness, increased creatine kinase, nausea, back pain |
| Sildenafil | Headache, flushing, dyspepsia, abnormal vision, nasal congestion, back pain, myalgia, nausea, dizziness, rash |
Mendoxa ED plans and prices
The Mendoxa ED tablet is a compounded rapid-dissolve tablet with sildenafil (the active ingredient in Viagra), tadalafil (the active ingredient in Cialis) and apomorphine. It dissolves under the tongue. The Mendoxa ED page lists a maximum of 1 dose per 24 hours. A licensed clinician decides if it fits you and selects the strength. Compounded medicines are not FDA-approved.
| Plan | 1-month plan | Per tablet | 3-month plan | Per tablet (3 months) |
|---|---|---|---|---|
| 6 tablets / month | $129 | $21.50 | $329 | $18.28 |
| 10 tablets / month | $149 | $14.90 | $379 | $12.63 |
| 20 tablets / month | $179 | $8.95 | $449 | $7.48 |
If prescribed · Cancel anytime · Available in 49 states (not California). Prices from the Mendoxa intake at try.mendoxa.co/f/ed on Oct 17, 2026. The intake always shows the current price.
Same stops for both
The Viagra and Cialis labels list the same hard stops. Do not use them with organic nitrates in any form, or with a guanylate cyclase stimulator such as riociguat. Do not use them if sex is inadvisable because of your heart. Get emergency care for an erection that lasts more than 4 hours. Stop and get care for a sudden loss of vision in one or both eyes, or a sudden decrease or loss of hearing.
The vardenafil label lists the same hard stops: nitrates and nitric oxide donors, and guanylate cyclase stimulators such as riociguat. Get help right away for an erection that lasts more than 4 hours. Stop and get care for sudden loss of vision or a sudden decrease or loss of hearing. It says combinations with other ED treatments have not been studied and are not recommended.
FAQ
Is vardenafil stronger than sildenafil?
The labels do not rank them. Vardenafil's starting dose is 10 mg and sildenafil's is 50 mg; milligrams are not comparable across different molecules.
Which works faster, Levitra or Viagra?
Both labels put the peak level at 30 minutes to 2 hours, with a median of 60 minutes.
Can I switch from sildenafil to vardenafil?
Only with a clinician. Do not take both. The labels say combinations with other ED treatments are not recommended.
Start your ED visit: plans and prices
The Mendoxa ED tablet is a compounded rapid-dissolve tablet with sildenafil (the active ingredient in Viagra), tadalafil (the active ingredient in Cialis) and apomorphine. It dissolves under the tongue. The Mendoxa ED page lists a maximum of 1 dose per 24 hours. A licensed clinician decides if it fits you and selects the strength. Compounded medicines are not FDA-approved.
| Plan | 1-month plan | Per tablet | 3-month plan | Per tablet (3 months) |
|---|---|---|---|---|
| 6 tablets / month | $129 | $21.50 | $329 | $18.28 |
| 10 tablets / month | $149 | $14.90 | $379 | $12.63 |
| 20 tablets / month | $179 | $8.95 | $449 | $7.48 |
If prescribed · Cancel anytime · Available in 49 states (not California). Prices from the Mendoxa intake at try.mendoxa.co/f/ed on Oct 17, 2026. The intake always shows the current price.
References
- DailyMed: vardenafil hydrochloride tablet, label revised 7/2026. Accessed Oct 17, 2026.
- DailyMed: VIAGRA (sildenafil citrate) tablet, film coated, label revised 12/2017. Accessed Oct 17, 2026.
- FDA (Drugs@FDA): LEVITRA (vardenafil) prescribing information, NDA 021400. Accessed Oct 17, 2026.
- FDA (Drugs@FDA): VIAGRA prescribing information, NDA 020895. Accessed Oct 17, 2026.
- Drugs@FDA: LEVITRA (NDA 021400) marketing status. Accessed Oct 17, 2026.
- DailyMed: CIALIS (tadalafil) tablet, film coated, label revised 3/2026. Accessed Oct 17, 2026.
- Mendoxa ED care (product, format, max 1 dose per 24 hours). Accessed Oct 17, 2026.
- Mendoxa ED intake: plan prices (term_options). Accessed Oct 17, 2026.
About Mendoxa
Mendoxa (mendoxa.co) is a US telehealth brand. Licensed clinicians in the LocumTele network review each online visit, and prescriptions are filled by Rush Pharmacy, a licensed US pharmacy. Available in 49 states (not California).
- A licensed clinician reviews every visit and can say no. A prescription is not automatic.
- A compounded medicine is not an FDA-approved finished product.
- Plans: 1 month or 3 months, from $129. If prescribed · Cancel anytime · Available in 49 states (not California).
Compounded medication prescribed only if a licensed U.S. clinician decides it is appropriate. Not FDA-approved as a finished product. Not available in California. This site is not for emergencies. Call 911 if you need urgent care.