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Sudden Hearing Loss: A sudden decrease or loss of hearing, sometimes accompanied by tinnitus (ringing in the ears), has been reported.
Its daily option is the only treatment that completely decouples medication from sex. However, if a man has mild, infrequent ED and prefers a medication that clears his system quickly, sildenafil or vardenafil may be a better fit. Tadalafil and sildenafil are the two most popular medications for ED; only sildenafil exists as a citrate salt. Tadalafil and sildenafil are generics, not controlled substances. Although their finished dosages are not cheap, their related APIs are.
Doctors prescribe Cialis for erectile dysfunction (ED) and benign prostatic hyperplasia. People use Viagra for ED, pulmonary arterial hypertension, and sexual dysfunction. The half-life of Cialis is 17.5 hours, and Viagra only has 4 hours. When used for ED, Cialis can last as long as 36 hours, while Viagra only lasts about 6 hours. Because of Viagra’s shorter half-life, it takes less time for Viagra to work (about 1 hour after taking), while Cialis would need 2 hours to work.
Cialis is available in two dosage forms: oral tablets and Compounded Oral Suspensions. Viagra has three dosage forms: oral tablets, Compounded Oral Suspensions, and intravenous solutions. As a pharmaceutical raw material supplier in China, we know the difference in raw material costs between Cialis and Viagra, both in pure powder form. The cost of active ingredients in Cialis is about 4 times that of Viagra. We have listed our tadalafil prices below for your reference. Cardiovascular Events: Serious events like myocardial infarction, sudden cardiac death, and stroke have been reported post-marketing in temporal association with tadalafil use, predominantly in men with pre-existing cardiovascular risk factors. The danger of Tadalafil does not lie in the drug itself, but in its interactions with other substances.
| Side Effect | Description | Severity Level | Commonality | Mitigation Tips |
|---|---|---|---|---|
| Headache | Mild to moderate headache | Mild | Common | Stay hydrated, avoid alcohol |
| Dizziness | Feeling lightheaded | Mild | Moderate | Do not operate machinery |
| Flushing | Warmth and redness of face | Mild | Common | Reduce dose or discontinue |
| Priapism | Prolonged erection beyond 4 hours | Severe | Rare | Seek immediate medical attention |
| Nausea | Feeling sick | Mild | Common | Take with food, monitor symptoms |
This is the most critical safety section in this guide. Absolutely Contraindicated (Do Not Use Under Any Circumstances): Nitrates (any form): This includes nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, and recreational “poppers” (amyl nitrite or butyl nitrite). The combination can cause a precipitous and potentially fatal drop in blood pressure.
Nitrates (any form): This includes nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, and recreational “poppers” (amyl nitrite or butyl nitrite). The combined effect on the NO-cGMP pathway can lead to dangerously low blood pressure. Important Drug Interactions Requiring Caution and Dose Adjustment: Alpha-Blockers: Like tamsulosin and doxazosin, which are used for BPH or hypertension. The combination can lead to symptomatic hypotension.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Cialis Super Active | 20mg | 270 + 30 Pills | 661.49€ 629.99€ | |
| Cialis Professional | 20mg | 360 + 6 Pills | 807.03€ 768.60€ | |
| Cialis Generic | 2.5mg | 180 + 10 Pills | 154.86€ 147.49€ | |
| Cialis Professional | 40mg | 10 Pills | 65.09€ 61.99€ | |
| Cialis Black | 80mg | 20 Pills | 71.83€ 68.41€ | |
| Cialis Super Active | 20mg | 60 + 8 Pills | 230.32€ 219.35€ | |
| Cialis Original | 20mg | 4 Pills | 41.99€ 39.99€ | |
| Cialis Professional | 20mg | 120 + 4 Pills | 291.68€ 277.79€ | |
| Cialis Black | 80mg | 90 + 6 Pills | 207.88€ 197.98€ | |
| Cialis Black | 80mg | 180 + 10 Pills | 356.64€ 339.66€ | |
| Cialis Generic | 2.5mg | 10 Pills | 28.51€ 27.15€ | |
| Cialis Professional | 40mg | 270 + 6 Pills | 898.37€ 855.59€ | |
| Cialis Generic | 20mg | 180 + 10 Pills | 254.09€ 241.99€ |
When co-prescribing, a doctor will often initiate therapy with the lowest dose of one drug and add the other. Potent CYP3A4 Inhibitors: Drugs like ketoconazole, itraconazole, and protease inhibitors (e.g., ritonavir) can significantly increase tadalafil blood levels. For patients on ritonavir, the at-home dose of tadalafil should not exceed 10 mg in 72 hours. Other Antihypertensives: Tadalafil can potentiate the antihypertensive effects of other antihypertensive drugs. Alcohol: Excessive consumption should be avoided due to the additive vasodilatory effects. Tadalafil is a mild vasodilator that can cause a slight, clinically insignificant decrease in blood pressure in most healthy individuals.
As for formulation prices, different brands charge different prices. The most expensive one should be Cialis from Eli Lilly, a 10mg pill that costs about 30~50usd per unit in 2015. The 2025 price for Cialis is about 15 USD per 10 mg tablet, but both prices should be much lower at a compounding pharmacy. For pure powder meeting USP/EP standards, our price is about 380 USD/kg for commercial order quantities. Some people may want an all-natural type.
There is no such thing as all-natural tadalafil. All the pure powders you can find on the market are order cialis professional without prescription 100% synthesized in large factories. You may be talking about yohimbine HCl, which is extracted from plants and costs more than 1000 USD per kg. Don’t hesitate to contact us directly if you need to buy it online for research. Our free samples are available for quality testing, so fill out our sample form so we can proceed.
This is a question that borders on dangerous. The clear medical answer is not to take Tadalafil and Sildenafil together within the same 24-hour period. Both are PDE5 inhibitors; combining them would be like taking a double dose of the same type of medication. It would drastically increase your risk of severe side effects, including a dangerous drop in blood pressure, priapism (a painful, prolonged erection), and severe headache and flushing. Intriguingly, a 2025 clinical trial is exploring “Combination Therapy of Tadalafil 2.5mg Plus Sildenafil 25mg” to see whether very low doses of each may be more effective and safer than a standard dose of either alone. Clinical trials show that taking tadalafil alone results in an average blood pressure drop of only about 1.6/0.8 mm Hg. In the grand scheme of things, this is a negligible change.
It means that a romantic dinner with rich pasta and a glass of wine doesn’t interfere with the medication’s action. It eliminates the need for stressful mental calculations about when you last ate. Tadalafil adapts to your life; you don’t have to schedule your life around it. Like any potent medication, Tadalafil is a double-edged sword. Its vasodilatory and muscle-relaxing effects that bring therapeutic benefits are also responsible for its side effects, which are generally mild, transient, and dose-dependent.
Common Side Effects (Reported in >2% of patients): Headache: The most frequently reported side effect results from the widening of blood vessels in the brain. Headache: The most frequently reported side effect results from the widening of blood vessels in the brain. Dyspepsia/Indigestion & Acid Reflux: Relaxation of the smooth muscle at the lower esophageal sphincter can allow stomach acid to splash back up cialis buy cheap into the esophagus, causing heartburn. Flushing: A sensation of warmth and redness, particularly in the face and neck, due to vasodilation near the skin. Back Pain and Myalgia: A unique and somewhat mysterious side effect of Tadalafil, these muscle aches typically occur 12 to 24 hours after dosing and resolve on their own within 48 hours.
Nasal Congestion: Caused by the dilation of blood vessels in the nasal passages. Rare but Serious Side Effects (Require Immediate Medical Attention): Priapism: An erection lasting more than 4 hours. This is a urological emergency that can cause permanent tissue damage and impotence if not treated immediately. Priapism: An erection lasting more than 4 hours. Sudden Vision Loss (NAION): A rare condition called non-arteritic anterior ischemic optic neuropathy, which can cause a sudden decrease or permanent loss of vision in one or both eyes. However, the danger arises when Tadalafil is combined with other vasodilators.
As stated in the previous section, Tadalafil (5 to 20 mg) has been shown in clinical pharmacology studies to potentiate the hypotensive effect of nitrates and can cause a significant drop in blood pressure when combined with alpha-blockers. A drop of 10 mm Hg or more can occur in these scenarios. So, while Tadalafil is not a blood-pressure medication and won’t treat hypertension, it’s also not a threat to your cardiovascular system unless it interacts with other drugs that amplify its effects. Let’s be absolutely clear to debunk a pervasive myth: No, Tadalafil does not permanently increase the size of your penis.
Any claim to the contrary is a marketing lie.
Until large-scale studies prove this is safe and effective, and it becomes a formal guideline, the combination is strictly off-limits in the real world. Never experiment with this on your own. Yes, and this combination is not just safe but is backed by strong clinical evidence as a powerful one-two punch for men suffering from both BPH and ED. Tamsulosin (Flomax) is an alpha-blocker that relaxes smooth muscle in the prostate and bladder neck. Tadalafil does the same through a different pathway (PDE5 inhibition) and also addresses erectile function.
A 2026 prospective, multicenter, phase IV study confirmed that a fixed-dose combination (FDC) of tamsulosin and tadalafil was associated with significant improvements in both lower urinary tract symptoms and erectile function over 12 weeks and was well-tolerated. A separate 2025 meta-analysis concluded that combination therapy of tamsulosin and tadalafil demonstrated superior efficacy over tamsulosin monotherapy in reducing LUTS, improving quality of life, and enhancing erectile function. The critical caveat is the additive effect on blood pressure. Taking them together, especially for the first time, can cause a drop in blood pressure and lead to dizziness or fainting. For this reason, the combination should be initiated by a physician who may start with a low dose of one drug and then add the other, and the patient must be monitored.
The combination is typically for men with moderate to severe BPH and co-existing ED. This is one of Tadalafil’s most celebrated advantages. In a pivotal departure from its main competitors, sildenafil and vardenafil, the rate and extent of Tadalafil’s absorption are not influenced by food. You can take it on an empty stomach or after a large, high-fat meal, and it will not diminish the drug’s effectiveness. This pharmacological feature is not a trivial matter; it’s a lifestyle benefit. The penis is not a muscle that can be “built up.” Its baseline size is determined by genetics and developmental factors.
| Storage Condition | Description | Temperature Range | Light Exposure | Humidity Control | Shelf Life |
|---|---|---|---|---|---|
| Cool, Dry Place | Store away from moisture and heat | 15-25°C | Minimize | Keep dry | Up to 2 years |
| Refrigeration (Optional) | For long-term storage in extreme climates | 2-8°C | No | Maintain humidity | Up to 2 years |
| Airtight Container | Prevent moisture ingress | Room temperature | No | Yes | As per expiration date |
What Tadalafil does is optimize what you already have.
By dramatically improving blood flow into the erectile tissue (the corpora cavernosa), the medication helps you achieve the firmest, fullest erection your anatomy is capable of. During a maximal erection, the penis may appear temporarily larger and more engorged because the tissues are filled to their natural capacity with blood, which is something that poor erectile function has prevented.