RECENT MAJOR CHANGES
Contact your healthcare provider if you think you are having a side effect of a medicine.
| Country | Legal Status | Prescription Required | Notes |
|---|---|---|---|
| USA | Prescription-only | Yes | Approved for ED and BPH |
| UK | Prescription-only | Yes | Controlled medication |
| Canada | Prescription-only | Yes | Available via pharmacy |
| Australia | Prescription-only | Yes | Schedule 4 drug |
| India | Prescription required | Yes | Widely available |
In the U.S., you can report side effects to the FDA at or by calling 800-FDA-1088.
14.1 Tadalafil Tablets for Use as Needed for ED
For the daily dose, try to take it at the same time every day. Cialis can last up to 36 hours in the body, but may last up to 72 hours in some cases. Your age, genetics, and whether you have heart, liver, or kidney disease all affect how the drug works and how long Cialis stays in your body. You may need dose adjustments to avoid side effects. The dosage of Cialis and how it’s prescribed for you depend on: other conditions you may have, such as diabetes or high blood pressure If you have heart, kidney, or liver disease, it’s important to discuss your ED treatment options with a doctor.
Timing and duration for tadalafil
You may need a lower dose of Cialis to avoid side effects. Do not take Cialis with nitrate class angina medications or alpha blocker medications. They can cause a dangerous drop in your blood pressure. Avoid excess alcohol because it can cause low blood pressure, dizziness, and fainting. Avoid grapefruit juice with Cialis, as it interacts with the medication.
Duration of action
Take the medication as prescribed by your doctor. Ask a pharmacist about interactions with other medications. Increase your physical activity and eat a healthy diet. Communicate with your partner about your concerns. Increasing your dose of Cialis increases your chances of serious side effects and damage, including: low blood pressure (a higher dose may increase the risk of dizziness and fainting) priapism (a higher dose may increase this risk due to the longer effect of Cialis) sudden change or loss of vision or hearing Call your doctor if you feel you’re experiencing serious side effects. In Canada, you can report side effects to Health Canada at or by calling 866-234-2345.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Cialis Generic | 2.5mg | 270 + 10 Pills | 199.64€ 190.13€ | |
| Cialis Generic | 60mg | 20 Pills | 65.61€ 62.49€ | |
| Cialis Generic | 40mg | 60 + 6 Pills | 130.98€ 124.74€ | |
| Cialis Generic | 10mg | 270 + 10 Pills | 308.71€ 294.01€ | |
| Cialis Generic | 40mg | 270 + 10 Pills | 382.19€ 363.99€ | |
| Cialis Generic | 10mg | 180 + 8 Pills | 236.88€ 225.60€ | |
| Cialis Generic | 10mg | 60 + 6 Pills | 105.81€ 100.77€ | |
| Cialis Generic | 10mg | 10 Pills | 31.41€ 29.91€ | |
| Cialis Generic | 10mg | 120 + 6 Pills | 178.49€ 169.99€ | |
| Cialis Generic | 60mg | 60 + 4 Pills | 145.06€ 138.15€ | |
| Cialis Generic | 60mg | 120 + 8 Pills | 240.18€ 228.74€ | |
| Cialis Generic | 5mg | 180 + 10 Pills | 159.65€ 152.05€ | |
| Cialis Generic | 40mg | 120 + 8 Pills | 206.98€ 197.12€ | |
| Cialis Generic | 2.5mg | 120 + 6 Pills | 128.93€ 122.79€ | |
| Cialis Generic | 40mg | 360 + 10 Pills | 477.87€ 455.11€ | |
| Cialis Generic | 5mg | 120 + 6 Pills | 132.92€ 126.59€ |
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.
- Onset of action for on-demand use is typically 30-45 minutes.
- Maximum plasma concentration is reached within 2 hours.
- High-fat meal can delay time to maximum concentration.
- The 36-hour window does not mean an erection lasts that long.
- It means the ability to get an erection when stimulated is possible.
- Daily dosing leads to steady-state concentration in about 5 days.
Stop taking tadalafil and get help right away if you have any of the following symptoms of a serious allergic reaction.
| Advice | Details | Rationale |
|---|---|---|
| Take as directed | Follow prescription instructions | Ensures safety and efficacy |
| Avoid heavy meals before taking | Especially fatty foods | May delay onset of action |
| Do not combine with nitrates | To prevent severe hypotension | Life-threatening interaction |
| Limit alcohol consumption | Excessive alcohol may impair effectiveness | Reduces risk of side effects |
| Report side effects to doctor | Especially vision changes or chest pain | For prompt medical attention |
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.
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Get medical help right away if you experience an erection lasting longer than 4 hours. Some common side effects of Cialis include: muscle pain and back pain (higher doses may increase the risk of these effects) If you feel you’re experiencing these symptoms of a serious allergic reaction to Cialis, seek immediate medical attention or call 911 or your local emergency medical services: Cialis is one of the most popular ED medications sold worldwide. It’s also very common to find Cialis and other ED medications sold online without a prescription through fake pharmacies and other suspect online portals. Buying prescription medications online through fake sites can jeopardize your health, but may also compromise your data and privacy. Fake products are designed to look exactly like the genuine prescription but may be contaminated, have more or less than the listed strength or dose, be expired, have harmful ingredients, and harm your health.
What should I know about tadalafil before using it?
You can’t tell what’s in these products just by looking. The best way to learn sublingual tadalafil more about ED is to make an appointment with a doctor. They can diagnose the cause of your ED and offer a prescription, if needed. Telehealth options (sometimes covered by insurance, including Medicare plans), such as over-the-phone, online services, and telemedicine apps, can connect you with a doctor. Occasional episodes of ED are typical and could be due to causes such as work stress, relationship troubles, or excessive alcohol consumption.
Dosing Modifications
But if you are experiencing ED at least 25% of the time, you should speak with a doctor. You should also discuss any minor changes in your erections or libido. Addressing signs of trouble early could help treat ED or may lead to an early diagnosis of a condition like cardiovascular disease or diabetes — two common causes of ED, especially in younger people. While you may experience no side effects or complications from taking 40 mg of Cialis, you do run the risk of problems like a sudden drop in blood pressure, which can, in turn, lead to fainting and a possible injury from a fall. Taking too much Cialis also means any side effects you experience, such as headaches, priapism, and leg or back pain, are more likely to last longer than side effects accompanying a standard dose. Permanent damage to the penis may occur if priapism is not treated quickly.
5.6 Alpha-blockers and Antihypertensives
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 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. Stop taking tadalafil and get emergency help right away if you have any of the following symptoms of priapism.
- Absorption is not significantly affected by age.
- Dosage adjustment is recommended for renal impairment.
- For severe renal impairment, maximum dose is 10 mg every 72 hours.
- For mild to moderate hepatic impairment, dose adjustment may not be needed.
- Not studied in severe hepatic impairment; use is not recommended.
- Elderly patients (over 65) may be more sensitive to side effects.
Erection lasting for more than 4 hours Erection that is unrelated to sexual stimulation If you feel faint or dizzy, lie down.
6. Response and effectiveness
Keep in mind that Cialis won’t work unless you’re stimulated or aroused. Cialis, a brand-name version of tadalafil, is available by prescription in tablet form in four strengths: The dose of Cialis for ED depends on your age and if you’re taking it once daily (lower dose) or as needed (higher dose). According to the Food and Drug Administration (FDA) dosing guidelines for ED symptoms, the recommended dose for Cialis once daily is 2.5 mg to start and may be increased to 5 mg if needed. The recommended dose for as-needed Cialis is 10 mg and may be adjusted up or down to a maximum of 20 mg. It’s part of a class of drugs called phosphodiesterase (PDE) inhibitors and is prescribed for the following conditions: Tadalafil treats ED by increasing blood flow to the penis during sexual arousal.
Patient resources
Tadalafil is unique compared with other PDE5 inhibitors because it can be taken either once daily at a lower dose or as needed at least 30 minutes before sexual activity. This lets you choose which dosing suits your lifestyle needs best. On average, Cialis starts to work in about 30 minutes and can take up to 2 hours to take effect. How well a medication works depends on the individual and can vary from person to person. Don’t be discouraged if Cialis doesn’t work right away.
3.1 Patients
If you’re nervous or anxious, this affects your arousal and ability to get or keep an erection. Speak with a doctor about your experience with Cialis to see whether a dose increase or switching to a different ED medication would work better. Try different timing if you take it as needed: You may need to take Cialis a few times for you to figure out the best timing for as-needed dosing. Don’t take more than one dose in a day. Be consistent for daily use: Some people prefer the daily dose because it allows small amounts of Cialis to always be in your bloodstream, so you can have flexibility with sexual activity. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure.
8.1 Pregnancy
Cialis is a prescription medication, and you should take only the prescribed amount. The dose may be 10 or 20 mg for occasional use before sexual activity or 2.5 or 5 mg for ongoing daily use. If you find that the prescribed dose isn’t effective or is causing unwanted side effects, speak with your doctor about changing the dose or trying a different type of ED treatment. Like any medication, tadalafil can be problematic or even dangerous if you take too much. The medication is designed to significantly impact your circulation, so taking too much may cause severe reactions that negatively affect your sexual health and blood flow throughout the body.
Pulmonary Arterial Hypertension
If the Cialis dose your doctor prescribed doesn’t seem to be helping, don’t double your dose to 40 mg on your own. This could increase the risks of serious adverse reactions or side effects. Make an appointment to speak with a doctor about possible causes and alternative treatment options, including other PDE5 inhibitors, medications, and lifestyle changes that might help. It’s important to discuss your sexual history, medications you’re taking, and your overall health and concerns about ED with a doctor. Tadalafil is a medicine that is commonly used for the following conditions.
How does Cialis work?
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 erectile dysfunction pills tadalafil 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. Tadalafil can cause mild, temporary vision changes such as seeing a blue tint, abnormal colors, blurry vision, or sensitivity to light.
Is There A Difference Between Tadalafil and Cialis?
This makes it easier to get and keep an erection. 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). Though rare, some people have reported permanent vision loss.
| Drug | Typical Dose | Duration | Onset Time | Notes |
|---|---|---|---|---|
| Tadalafil | 10 mg | Up to 36 hrs | 30-60 min | Long-lasting effects |
| Sildenafil | 50-100 mg | Up to 4 hrs | 30-60 min | Frequent dosing required |
| Vardenafil | 10-20 mg | Up to 4 hrs | 30-60 min | Sensitive to food intake |
| Avanafil | 100-200 mg | Up to 6 hrs | 15-30 min | Faster onset |
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