ED Medication Duration Calculator
This tool helps you compare ED medications based on your priority: long duration or quick onset.
Recommended Options
Vidalista Professional
Ideal for spontaneous activity with minimal planning
Cialis (Brand)
Same active ingredient as Vidalista Professional
Viagra
Best for planned sexual activity
Levitra
Good alternative for sildenafil sensitivity
Stendra
Fastest onset (15 minutes) at highest cost
Key Takeaways
- Vidalista Professional packs 20mg of Tadalafil for a 36‑hour window, making it ideal for spontaneous activity.
- Cialis (brand Tadalafil) offers the same ingredient but at higher price points and tighter dose options.
- Viagra (Sildenafil) works faster but lasts only 4‑6hours, suitable for planned sessions.
- Levitra (Vardenafil) and Stendra (Avanafil) are middle‑ground options with quick onset and moderate duration.
- Generic tadalafil provides the cheapest route with comparable efficacy, though brand perception varies.
When the buzz around Vidalista Professional is a high‑dose 20mg tadalafil tablet marketed for erectile dysfunction (ED) hits your feed, you probably wonder how it really stacks up against the other pills on the market. This guide breaks down the science, cost, and user experience so you can decide which product fits your lifestyle.
What is Tadalafil and Why Does Dose Matter?
Tadalafil is a phosphodiesterase‑5 (PDE5) inhibitor that relaxes blood vessels in the penis, allowing a natural erection when sexual stimulation occurs. The drug’s half‑life is about 17.5hours, which is why the effect can linger up to 36hours. A higher dose (20mg) extends the window but may increase the chance of side effects like headache or flushing. Lower doses (5‑10mg) are typically used for daily therapy.
How Vidalista Professional Differs from Its Own Brand Counterpart - Cialis
Cialis is the original brand‑name formulation of tadalafil, sold in 2.5mg, 5mg, 10mg, and 20mg tablets. The active ingredient and mechanism are identical to Vidalista Professional, but Cialis commands a premium price in Australia, often double the cost of the generic or Vidalista version. Some users report that the brand’s tablet coating dissolves slightly slower, which could affect onset by a few minutes.
Alternative PDE5 Inhibitors: Quick Glance at the Competition
Viagra is the best‑known sildenafil product, typically taken 30‑60minutes before sex and lasting 4‑6hours. It’s cheaper than Cialis but has a shorter window.
Levitra is a vardenafil tablet that also works in about 30minutes, with effectiveness lasting up to 5hours. It’s a good option if you’ve had mild side effects on sildenafil.
Stendra is an avanafil pill noted for an exceptionally fast onset-around 15minutes-while still providing up to 6hours of activity. The price point is the highest among oral ED meds.
Generic Tadalafil is the non‑branded version of the same molecule, sold in 5mg, 10mg, and 20mg strengths. It offers the same clinical outcomes at a fraction of the cost, but quality can vary between manufacturers.

Side‑Effect Profile: What to Expect
All PDE5 inhibitors share common side effects: mild headache, facial flushing, nasal congestion, and occasional dizziness. Tadalafil‑based products (Vidalista Professional, Cialis, generic tadalafil) tend to cause back‑pain or muscle aches in about 5% of users, likely due to the longer systemic exposure. Sildenafil‑based (Viagra) and vardenafil‑based (Levitra) pills report slightly higher rates of visual disturbances (<1%). Avanafil (Stendra) has the lowest overall side‑effect frequency, but the data set is smaller.
Cost Comparison (Australian Retail Prices, Oct2025)
Medication | Active Ingredient | Typical Dose (mg) | Onset | Duration | Approx. Price per Tablet (AU$) |
---|---|---|---|---|---|
Vidalista Professional | Tadalafil | 20 | 30‑45min | ~36hr | 3.90 |
Cialis | Tadalafil | 20 | 30‑45min | ~36hr | 7.20 |
Viagra | Sildenafil | 50 | 30‑60min | 4‑6hr | 4.10 |
Levitra | Vardenafil | 20 | 30‑45min | 4‑5hr | 5.30 |
Stendra | Avanafil | 100 | ~15min | 4‑6hr | 9.00 |
Generic Tadalafil | Tadalafil | 20 | 30‑45min | ~36hr | 2.40 |
Who Should Choose Vidalista Professional?
If you value flexibility-being able to enjoy intimacy without scheduling a pill an hour in advance-Vidalista Professional’s 36‑hour window is hard to beat. It works well for couples with spontaneous plans, weekend getaways, or people who don’t want to remember a daily dose. Because the tablet delivers a 20mg dose, it’s best suited for men who have previously tried lower doses of tadalafil without achieving satisfactory results.
When a Different Pill Might Suit You Better
- Budget‑conscious users: Generic tadalafil offers comparable efficacy at roughly 40% less cost.
- Quick‑onset lovers: Stendra’s ~15‑minute onset can be a game‑changer for “last‑minute” situations.
- Short‑duration preference: Viagra or Levitra give a tighter window, reducing the chance of lingering side effects.
- Sensitivity to muscle aches: Those who experienced back‑pain on tadalafil might switch to sildenafil or avanafil.

How to Take Vidalista Professional Safely
- Confirm you’re not on nitrates (e.g., nitroglycerin) - the combo can cause dangerous blood pressure drops.
- Take the tablet with water about 30‑45minutes before sexual activity. Food doesn’t dramatically affect absorption, but a heavy fatty meal might delay onset slightly.
- If you don’t achieve an erection, wait at least 24hours before another dose. The drug’s long half‑life means it stays in your system for a day.
- Monitor blood pressure if you have cardiovascular concerns. Tadalafil can cause a modest decrease in systolic pressure.
- Store at room temperature, away from moisture and heat.
Potential Pitfalls & How to Avoid Them
Buying online can be risky. Counterfeit pills often contain less active ingredient or harmful fillers. Always purchase from a licensed Australian pharmacy-either brick‑and‑mortar or a reputable online service that requires a prescription.
Another snag is mixing alcohol with high‑dose tadalafil. While moderate drinking is generally safe, excessive alcohol can blunt the drug’s effect and increase dizziness.
Bottom Line: Making the Right Choice
Vidalista Professional shines for men who need a long‑lasting, high‑dose option without paying brand‑premium prices. If you’re comfortable with a prescription and want the flexibility to be ready anytime over a 36‑hour span, it’s a solid pick.
However, the market offers cheaper generics and faster‑acting alternatives that might align better with your budget or timing preferences. Weigh the factors-dose, cost, onset, duration, side‑effect tolerance-and choose the pill that fits your lifestyle.
Frequently Asked Questions
Is Vidalista Professional available without a prescription in Australia?
No. Australian law requires a doctor's prescription for all tadalafil products, including Vidalista Professional. You can get a telehealth consultation, but a prescription is still mandatory.
Can I take Vidalista Professional daily?
Daily dosing is generally reserved for low‑dose (2.5mg‑5mg) tadalafil to treat both ED and benign prostatic hyperplasia. A 20mg tablet is meant for as‑needed use because of its long activity window.
How does Vidalista Professional compare to generic tadalafil in effectiveness?
Both contain the same active molecule, so efficacy is virtually identical when the dose matches. Differences arise only in tablet coating, price, and brand perception.
What should I do if I experience back pain after taking the pill?
Mild back pain is a known side effect of long‑acting PDE5 inhibitors. Hydration, mild stretching, and an over‑the‑counter NSAID can help. If pain persists beyond 24hours, contact your doctor.
Can I combine Vidalista Professional with alcohol?
A moderate amount (one or two drinks) usually doesn’t interfere with the medication, but heavy drinking can lower blood pressure further and reduce the pill’s effectiveness. Keep it light.
Wade Developer
October 14, 2025 AT 16:01In assessing the pharmacokinetic profile of tadalafil, one must consider both the half‑life and the dose‑response relationship. The 20 mg formulation extends the therapeutic window to roughly thirty‑six hours, which aligns with the spontaneous use case highlighted in the guide. While the active ingredient remains identical across brand and generic variants, excipients can modulate dissolution speed. Consequently, the onset may vary by a few minutes, though clinical efficacy is largely equivalent. Overall, the data suggest that cost‑effectiveness should be a primary driver in selection.