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Cheap ED Pills: Generic Sildenafil and Tadalafil Prices Compared
A side-by-side look at generic sildenafil and tadalafil: how they differ, who should avoid them, and how to judge real cost per use over a month.
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Cheap ED pills are generic versions of the main erectile dysfunction (ED) medicines, mostly sildenafil and tadalafil. They contain the same active ingredients as the original brands but cost less, because their makers do not carry the brand’s research and marketing costs. This guide compares sildenafil and tadalafil side by side on how they work, how they are used and what that means for your costs.
The right choice is the one that suits your health and your routine, not just the one with the smallest number on the label. Use this page to prepare for a clear talk with your doctor.
Key takeaways
- Most cheap ED pills are generic sildenafil or generic tadalafil.
- Sildenafil lasts about 4 hours; tadalafil can last up to 36 hours, or be taken as a low daily dose.
- The real cost depends on how often you need a dose, not only on the cost of one tablet.
- Both must never be taken with nitrates, “poppers” or riociguat.
- ED can be an early sign of heart disease or diabetes, so get checked first.
- A valid prescription is required for every order of a prescription medicine.
What are cheap ED pills?
The common ED tablets are PDE5 inhibitors. They relax blood vessels in the penis so more blood flows in when you are aroused. Sildenafil and tadalafil are the two most widely used, and both are made as generics by several companies.
That is why you see so many trade names. Fildena, Cenforce and Bawree are sildenafil. Tadacip, Tadaboom and Ciasel are tadalafil. Kamagra products are also sildenafil, in tablet, jelly and other forms. The trade name changes; the active ingredient does not.
Sildenafil vs tadalafil compared
| Feature | Sildenafil | Tadalafil |
|---|---|---|
| Standard strengths | 25 mg, 50 mg, 100 mg | 2.5 mg, 5 mg, 10 mg, 20 mg |
| Usual starting dose | 50 mg on demand | 10 mg on demand, or 5 mg daily |
| When to take | About 1 hour before sex | At least 30 minutes before sex, or same time daily |
| How long it works | About 4 hours | Up to 36 hours |
| Effect of food | A heavy meal can slow it | Little effect |
| Maximum | One dose in 24 hours | One dose in 24 hours |
Neither is “better” for everyone. Sildenafil suits men who like a short, planned window. Tadalafil suits men who want more freedom over a weekend, or who prefer a daily routine. Our guides on buying sildenafil online and buying tadalafil online go deeper into each.
Who should not take ED pills
Low cost never makes a medicine safe for someone it does not suit. Do not take sildenafil or tadalafil if you:
- Use nitrate medicines for chest pain, such as GTN spray or isosorbide, or “poppers”.
- Take riociguat.
- Have had a recent heart attack or stroke, or have severe heart disease.
- Have very low blood pressure or uncontrolled high blood pressure.
- Have had sudden vision loss from reduced blood flow to the optic nerve.
Care is needed with alpha-blockers, some HIV medicines, some antifungals and antibiotics, and liver or kidney problems. Never take two ED medicines together, even if they are different brands.
Side effects and when to get help
Both can cause headache, flushing, indigestion and a stuffy nose. Sildenafil can cause a short blue tint to vision. Tadalafil more often causes back or muscle aches. Get urgent help for chest pain, an erection lasting more than 4 hours, sudden loss of vision or hearing, or a severe allergic reaction.
Why the doctor check matters
ED can be the first sign of heart disease, high blood pressure, high cholesterol or diabetes. A doctor can check these, review your other medicines and make sure an ED tablet is right for you. Sometimes treating the cause improves ED too.
Cheap ED pills: why generic costs less
A brand-name maker spends years and large sums on research, trials and advertising, and recovers that through the brand price. Once the patent ends, generic makers produce the same active ingredient without repeating that work. Competition between them keeps prices fair.
So cheap ED pills, in the sense of generics, are a reasonable choice. The saving should come from lower overheads, not from skipping a prescription, buying unlabelled tablets or taking more than your dose.
What affects the cost of cheap ED pills?
We do not list prices here, as they depend on product and pack. These are the factors that change what you actually spend.
| Factor | How it changes the price | What to check |
|---|---|---|
| How often you need a dose | Occasional on-demand use needs far fewer tablets than daily use. | How many times a month you really expect to use it. |
| Medicine chosen | Sildenafil and tadalafil generics are priced differently by each maker. | Which medicine your doctor has prescribed. |
| Strength | Higher strengths can cost slightly more per tablet. | The mg matches your prescription exactly. |
| Form | Standard tablets are often the simplest option; jellies and chewables may be priced differently. | Which form your doctor is happy for you to use. |
| Pack size | Larger packs usually lower the cost per tablet. | The quantity your prescription covers. |
| Delivery | Shipping is spread across the order, so frequent small orders add up. | Delivery time and tracking for your country. |
Think in cost per use
A useful way to compare is cost per use over a month. For example, a man who uses an ED tablet on two weekends a month needs only a few tablets, whatever the medicine. A man on daily tadalafil needs a tablet every day. Neither plan is wrong, but they lead to very different monthly totals. Agree on the plan with your doctor first, then compare products within that plan. Our sildenafil price guide explains this in more detail for sildenafil.
Our ED pills
Browse the full range in our men’s health category. Popular choices include:
- Fildena 100 – sildenafil citrate 100 mg tablets.
- Cenforce 100 – sildenafil citrate 100 mg tablets.
- Kamagra 100 mg – sildenafil citrate 100 mg tablets.
- Tadaboom – tadalafil 20 mg tablets.
- Tadacip 20 – tadalafil 20 mg tablets.
If your prescription is for a lower strength, such as sildenafil 50 mg or tadalafil 10 mg, choose a product in that strength. Do not split or double tablets unless your prescriber has told you to.
How to buy generic ED pills online safely
- Get a valid prescription. See your doctor and agree on the medicine, strength and how often to take it. A valid prescription is required for every order of a prescription medicine.
- Check the strength. The active ingredient and mg on the product page should match your prescription.
- Check the pack and quantity. Match the number of tablets to your monthly use and what your prescription allows.
- Plan for delivery. Orders are shipped worldwide by EMS or registered mail in discreet packaging. One planned order is usually better than several rushed ones. See how to order.
- Tell your doctor. Let them know which generic you are using and report any side effects.
Read our guide to how to buy medicine online safely for the full process. If you have a question, contact us.
Frequently asked questions
Which is better value, sildenafil or tadalafil?
It depends on how you use it. For occasional use, either can work out similar. For daily use, tadalafil is the medicine designed for it. Choose the medicine that suits you medically first, then compare packs.
Can I switch medicines to save money?
Only with your doctor’s agreement. Sildenafil and tadalafil have different timing, doses and side effects, so a switch needs a new prescription and a fresh check.
Why do generic ED pills with the same ingredient cost different amounts?
Each maker sets its own price, and pack sizes and forms vary. If two products have the same active ingredient and strength, the difference is mostly about the maker, pack and form.
Are oral jellies or chewable tablets a good way to save?
They are a matter of preference for people who find tablets hard to swallow, not a saving in themselves. The active ingredient and dose rules are the same as for tablets.
Is it a bad sign if ED pills are very cheap?
Not if they are clearly labelled generics from a store that asks for a prescription. Be wary of products with no stated ingredient or strength, or sellers that do not ask for a prescription.
When you are ready, buy generic ED medicines online with us, with a valid prescription for every order.
The information on this page is for general guidance only and does not replace professional advice. Always consult your doctor or pharmacist before starting any medicine. Read our full medical disclaimer.
Medicines mentioned in this guide
All medicines are supplied only against a valid prescription. Prices shown are for the smallest pack.
About this guide
Written by the rxptteam8. We base our guides on official sources such as the NHS, the US FDA, the EMA and MedlinePlus, and we update them when guidance changes. Last updated .