Do not take tadalafil unless it has been prescribed to you by a healthcare provider.
Like other PDE5 inhibitors, tadalafil effectively improves the ability of men with erectile dysfunction to achieve an erection and successfully complete intercourse. It is less effective, although still useful, in some men with ED due to diabetes. Its longer duration may require less frequent dosing and may allow the user to take it earlier in the day of planned sexual activity. However, some authorities suggest that, because the sildenafil safety record is more established, it may be preferred over tadalafil.4 Tadalafil is a medicine that is commonly used for the following conditions. Erectile dysfunction, a condition where you have trouble getting or keeping an erection Pulmonary arterial hypertension, a condition where you have high blood pressure in the blood vessels that carry blood from your heart to your lungs Benign prostatic hyperplasia (BPH), a condition where the prostate gland has become enlarged Tadalafil may also be used for other conditions as determined by your healthcare provider.
Tadalafil works by blocking the activity of an enzyme called phosphodiesterase 5 (PDE5). This enzyme usually stops some types of muscles from relaxing, including the muscles lining some types of blood vessels. By blocking PDE5, the muscles will relax and blood flow increases. For erectile dysfunction, it increases blood flow to the penis when aroused. This makes it easier to get and keep an erection. Do not share tadalafil with other people, even if they have the same condition as you.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Cialis Soft Tabs | 20mg | 20 + 2 Pills | 66.98€ 63.79€ | |
| Cialis Generic | 60mg | 30 + 2 Pills | 85.33€ 81.27€ | |
| Cialis Generic | 10mg | 10 Pills | 31.41€ 29.91€ | |
| Cialis Professional | 40mg | 90 + 2 Pills | 348.59€ 331.99€ | |
| Cialis Generic | 20mg | 60 + 6 Pills | 117.76€ 112.15€ | |
| Cialis Generic | 40mg | 10 Pills | 37.79€ 35.99€ | |
| Cialis Original | 20mg | 48 + 4 Pills | 224.69€ 213.99€ | |
| Cialis Original | 20mg | 22 + 2 Pills | 129.20€ 123.05€ | |
| Cialis Black | 80mg | 120 + 8 Pills | 264.77€ 252.16€ | |
| Cialis Soft Tabs | 20mg | 10 Pills | 39.03€ 37.17€ | |
| Cialis Generic | 5mg | 180 + 10 Pills | 159.65€ 152.05€ | |
| Cialis Generic | 10mg | 270 + 10 Pills | 308.71€ 294.01€ | |
| Cialis Generic | 60mg | 270 + 10 Pills | 443.96€ 422.82€ | |
| Cialis Black | 80mg | 60 + 4 Pills | 150.98€ 143.79€ | |
| Cialis Super Active | 20mg | 30 + 6 Pills | 128.09€ 121.99€ |
Keep tadalafil out of the reach of children.
In the U.S., you can report side effects to the FDA at or by calling 800-FDA-1088. In Canada, you can report side effects to Health Canada at or by calling 866-234-2345. While less common, the most serious side effects of tadalafil are described below, along with what to do if they happen. Tadalafil may cause allergic reactions, which can be serious. Stop taking tadalafil and get help right away if you have any of the following symptoms of a serious allergic reaction.
Swelling of the face, lips, mouth, tongue, or throat Itching, skin rash, or pale red bumps on the skin called hives Tadalafil may cause an unwanted erection that is persistent, painful, and that may occur without sexual arousal. Permanent damage to the penis may occur if priapism is not treated quickly. Stop taking tadalafil and get emergency help right away if you have any of the following symptoms of priapism. Erection lasting for more than 4 hours Erection that is unrelated to sexual stimulation If you feel faint or dizzy, lie down. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure. Sexual activity can put extra strain on your heart, which may be unsafe for people with certain health problems, such as a recent heart attack.
People who are allergic to any of the following should not take tadalafil. Any of the ingredients in the specific product dispensed Your pharmacist can tell you all of the ingredients in the specific tadalafil products they stock. Tadalafil should not be taken while you are using certain other medicines. Before taking tadalafil, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. See the Interactions section for more details. Talk to your healthcare provider to see if your heart is strong enough for sex.
If you feel chest pain, dizziness, or nausea during sex, stop and contact your healthcare provider right away.
| Condition | Reason | Advice |
|---|---|---|
| Nitrate Medication Use | Risk of severe hypotension | Do not take concurrently |
| Severe Cardiovascular Disease | Increased risk during sexual activity | Consult doctor before use |
| Liver Impairment | Altered metabolism | Adjust dosage or avoid |
| Retinal Disorders | Potential exacerbation of existing issues | Medical consultation required |
Tadalafil does not protect against sexually transmitted infections, including HIV.
Tadalafil belongs to a group of medicines, known as phosphodiesterase-5 (PDE-5) inhibitors, which are used to treat erectile dysfunction or pulmonary arterial hypertension.
When combined with α1-adrenergic blockers such as doxazosin (Cardura), prazosin (Minipress), and terazosin (Hytrin) but not tamsulosin (Flomax)—tadalafil can cause a significant drop in blood pressure. Similarly, concomitant use of nitrates (including recreational nitrates known as “poppers”) with tadalafil also is contraindicated. For life-threatening situations, nitrates may be considered if at least 48 hours have passed since the last dose of tadalafil and if close hemodynamic monitoring is available. Tadalafil will lower blood pressure an additional 4 to 10 mm Hg when used with antihypertensive drugs. Dosage should be limited to 10 mg within a 72-hour period when patients are also taking drugs such as erythromycin, ketoconazole (Nizoral), itraconazole (Sporanox), protease inhibitors, and other drugs that inhibit the CYP3A4 enzyme system.1 Patients with cardiovascular diseases have been excluded from studies of tadalafil because so little is known about its safety profile in this population.1 The current recommendation for patients who experience coital angina after taking a PDE5 inhibitor is to contact emergency services that provide transport to a hospital.2 Rare reports of priapism have been reported with all of the drugs in this class.1 Long-term safety has not been established.
Because of tadalafil’s long duration of action, patients are exposed to its effects for a longer period of time than with sildenafil or vardenafil.3,4 The most common dose-related side effects of tadalafil are headache (11 to 15 percent) and dyspepsia (8 to 10 percent). Back pain, beginning 12 to 24 hours after the dose and lasting for up to 48 hours, was reported in 5 to 6 percent of men, as compared with a rate of 3 percent in men receiving placebo. Changes in color vision, which has been reported with sildenafil, has been reported in less than 0.1 percent of patients in clinical trials of tadalafil.1 Tadalafil differs from sildenafil in its affinity for PDE6 and 11, which may account for fewer reported ocular effects and more reports of back pain with tadalafil than with sildenafil.3 The main outcomes studied in the treatment of ED are achievement of an erection, successful intercourse, and overall satisfaction with sexual function. In five studies evaluating tadalafil in 5-, 10-, and 20-mg doses versus placebo, 321 men were assigned to a 10-mg regimen. In this group, 68 to 77 percent of men reported an erection suitable for insertion, compared with 42 to 55 percent receiving placebo (number needed to treat [NNT]=4 to 4.5). You should not take more than one PDE-5 inhibitor medicine.
However, slightly fewer men reported successful intercourse (51 to 70 percent, NNT=4 to 5).1,5 The satisfaction with intercourse was 9.3 out of a maximum score of 15, compared with a score of 7.4 in patients taking placebo, and overall satisfaction was 6.7 out of a possible 10 with tadalafil compared with 5.2 in patients taking placebo.5 As with the other drugs in this class, overall effectiveness is diminished in patients with diabetes or ED. Tadalafil has not been studied in patients with antidepressant-induced ED. No studies have directly compared tadalafil with sildenafil or vardenafil, but overall success rates have been comparable among the three options. The cost per dose of tadalafil is comparable to sildenafil or vardenafil and, if sexual activity is desired weekly, the cost is about $39 per month. As a result of its long duration of action, fewer doses of tadalafil may be needed, resulting in a small savings over time.
The usual dose of tadalafil is 10 mg, no more than once per day, taken orally at least 30 to 60 minutes before sexual activity. Its effect may last up to 36 hours.1,6 The dose can be increased to 20 mg if necessary. Safe dosing of tadalafil includes downward dosage adjustment to 5 mg in patients with moderate to severe renal insufficiency. In patients with mild to moderate hepatic dysfunction, the tadalafil dose should not exceed 10 mg. Tadalafil is not recommended in patients with severe hepatic dysfunction. Medicines in this group include avanafil (Stendra), sildenafil (Viagra, Revatio, and others), tadalafil (Cialis and others), and vardenafil (Levitra, Staxyn).
| Region | Cost per tablet | Notes |
|---|---|---|
| North America | $10 - $20 | Generic options cheaper |
| Europe | €8 - €18 | Varies by country |
| Asia | $2 - $8 | More affordable options |
| Online Pharmacies | $1 - $15 | Verify authenticity carefully |
If you take liquid tadalafil, shake the bottle well for 30 seconds before use. Use an accurate measuring device to measure your dose.
Tadalafil can cause mild, temporary vision changes such as seeing a blue tint, abnormal colors, blurry vision, or sensitivity to light. Though rare, some people have reported permanent vision loss. Stop taking tadalafil and get help right away if you have sudden vision loss in one or both eyes. Tadalafil may cause a sudden decrease or loss of hearing. Stop taking tadalafil and tell your healthcare provider right away if you experience hearing loss or have any of the following symptoms. A household spoon is not an accurate measuring device and may cause you to take the wrong dose.
For pulmonary arterial hypertension, tadalafil relaxes the blood vessels in the lungs. This lowers blood pressure and reduces strain on the heart. For benign prostatic hyperplasia, tadalafil relaxes the muscles of the bladder and prostate, making it easier to urinate and reducing symptoms. Tadalafil should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it.
The most common side effects of tadalafil are listed below. The side effects may vary depending upon the cialis chewable condition being treated. Tell your healthcare provider if you have any of these side effects that bother you. Pain in your muscles, back, arms, or legs There may be other side effects of tadalafil that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. Ask your pharmacist to recommend an appropriate measuring device. Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.
| Parameter | Value | Details |
|---|---|---|
| Absorption Time | 2 hours | Peak plasma concentration |
| Half-life | 17.5 hours | Duration in bloodstream |
| Bioavailability | ~80% | Percentage absorbed |
| Metabolism | Liver via CYP3A4 | Enzymatic process |
| Excretion | Feces and urine | Routes of elimination |
| Food Interaction | Food delays absorption | Better taken on empty stomach |