Your doctor will help you decide the best time for you to take tadalafil before sexual activity. Tadalafil is also sometimes taken once a day every day without regard to timing of sexual activity. You may attempt sexual activity at any time between doses. If you are taking tadalafil on a regular schedule, take it at around the same time every day.
How Does Cialis 20 mg Tablet Work?
Avoid grapefruit juice with Cialis, as it interacts with the medication. 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.
What if I miss a dose?
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. 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.
Side effect details
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. You can’t tell what’s in these products just by looking. The best way to learn 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. If you have certain health conditions or are taking certain medications, your doctor may tell you to take tadalafil less often or may prescribe a lower dose to be taken once a day.
- Telehealth services have made accessing prescriptions more convenient.
- A virtual consultation can be used to obtain a prescription if appropriate.
- Ensure the telehealth provider is licensed and operates within the law.
- You may still need to provide medical history or undergo tests.
- Electronic prescriptions can be sent directly to your chosen pharmacy.
- Be cautious of services that prescribe without any medical evaluation.
Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Do not take more or less of it or take it more often than prescribed by your doctor. If you are taking tadalafil to treat PAH or BPH, follow your doctor's directions and the guidelines in this paragraph. You should take tadalafil one time a day. Take all of the tablets for your daily dose at one time each day; do not divide the tablets to take as separate doses.
| Product | Dosage | Quantity + Bonus | Price | |
|---|---|---|---|---|
| Cialis Professional | 20mg | 20 Pills | 78.33€ 74.60€ | |
| Cialis Super Active | 20mg | 60 + 8 Pills | 230.32€ 219.35€ | |
| Cialis Super Active | 20mg | 120 + 16 Pills | 382.15€ 363.95€ | |
| Cialis Original | 20mg | 14 + 2 Pills | 95.75€ 91.19€ | |
| Cialis Generic | 10mg | 120 + 6 Pills | 178.49€ 169.99€ | |
| Cialis Generic | 5mg | 180 + 10 Pills | 159.65€ 152.05€ | |
| Cialis Black | 80mg | 30 + 2 Pills | 89.11€ 84.87€ | |
| Cialis Generic | 40mg | 90 + 6 Pills | 171.35€ 163.19€ | |
| Cialis Generic | 40mg | 10 Pills | 37.79€ 35.99€ | |
| Cialis Generic | 2.5mg | 60 + 4 Pills | 83.43€ 79.46€ | |
| Cialis Generic | 2.5mg | 20 Pills | 40.73€ 38.79€ | |
| Cialis Professional | 40mg | 10 Pills | 65.09€ 61.99€ |
Take tadalafil at around the same time every day.
| Country | Legal Status | Required Prescription | Availability Online | Regulations Notes |
|---|---|---|---|---|
| US | Prescription-only drug | Yes | Widely available | Controlled sale, prescription needed |
| UK | Prescription required | Yes | Available online | Regulation by MHRA |
| Canada | Prescription-only drug | Yes | Available online | Must be sourced through licensed pharmacy |
If you are already taking medication to treat BPH, your doctor may tell you to stop taking your other medication at least one day before starting treatment with tadalafil.
| Interacting Drugs | Effect on Cialis | Risk Level | Recommendations |
|---|---|---|---|
| Nitrates | Severe hypotension | High | Do not combine |
| Alpha-blockers | Blood pressure lowering | Moderate | Use under medical supervision |
| CYP3A4 inhibitors | Increased Cialis levels | High | Dose adjustment recommended |
Follow your doctor's directions carefully, and ask your doctor or pharmacist to explain any part you do not understand. If you are taking tadalafil for erectile dysfunction, your doctor will probably start you on an average dose of tadalafil and increase or decrease your dose depending on your response to the medication.
In case of emergency/overdose
All content on this page has been medically reviewed by: Hassan Thwaini, Clinical Pharmacist and Copywriter, Master of Pharmacy (MPharm) on 30 March, 2026. Tadalafil is a clinically-proven erectile dysfunction treatment that gives you the freedom to enjoy sex when you want it. It lasts for 36 hours - so there’s less need for planning before sex. Find the clinically proven ED treatment that suits you best. No names, no logos, no delivery fee.
As-needed dosing
4.6* from over 33,000 people like you. BSc (Hons) MBBS MRCGP AFHEA MA (Hons) AFMCP Answer a few simple questions to get the treatment you need. Tadalafil (Cialis) is used to treat erectile dysfunction (ED, impotence; inability canadian pharmacy cialis 40mg to get or keep an erection), and the symptoms of benign prostatic hyperplasia (BPH; an enlarged prostate) which include difficulty urinating (hesitation, dribbling, weak stream, and incomplete bladder emptying), painful urination, and urinary frequency and urgency in adult men. Tadalafil (Adcirca) is used to improve the ability to exercise in people with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness). Tadalafil is in a class of medications called phosphodiesterase (PDE) inhibitors.
Nitric Oxide Creates cGMP
It works to treat erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Tadalafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow more easily. If you are taking tadalafil to treat erectile dysfunction, you should know that it does not cure erectile dysfunction or increase sexual desire. Tadalafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV). Tell your doctor if tadalafil is not working well or if you are experiencing side effects. If you are taking tadalafil for PAH, you should know that tadalafil controls PAH but does not cure it. Continue to take tadalafil even if you feel well. Do not stop taking tadalafil without talking to your doctor. Ask your pharmacist or doctor for a copy of the manufacturer's information for the patient. This medication may be prescribed for other uses; ask your doctor or pharmacist for more information.
- Cialis 20 mg is approved by health authorities worldwide.
- The medication is designed to be discreet and simple.
- Generic versions of Cialis 20 mg are available.
- Regular use can improve sexual performance.
- Alcohol consumption may reduce effectiveness.
- Report severe side effects immediately.
tell your doctor and pharmacist if you are allergic to tadalafil, any other medications, or any of the ingredients in tadalafil tablets. Ask cialis vidalista 60mg your pharmacist for a list of the ingredients. tell your doctor if you are taking or have recently taken riociguat (Adempas) or nitrates such as isosorbide dinitrate (Isordil), isosorbide mononitrate (Monoket), and nitroglycerin (Minitran, Nitro-Dur, Nitromist, Nitrostat, others). Nitrates come as tablets, sublingual (under the tongue) tablets, sprays, patches, pastes, and ointments.
Proper Use
It may be taken with or without food. If you are taking tadalafil to treat erectile dysfunction, follow your doctor's directions and the guidelines in this paragraph. There are two different ways to take tadalafil, either daily or on an as needed basis. Talk to your doctor about which dosing schedule is right for you. Tadalafil is sometimes taken as needed, usually at least 30 minutes before sexual activity and not more often than once every 24 hours. Ask your doctor if you are not sure whether any of your medications contain nitrates. Your doctor will probably tell you not to take tadalafil if you are taking nitrates. tell your doctor if you are taking street drugs containing nitrates ('poppers') such as amyl nitrate, butyl nitrate, or nitrite while taking tadalafil. Your doctor will probably tell you not to take tadalafil if you are taking street drugs containing nitrates.
| Condition | Caution | Alternative Actions |
|---|---|---|
| Nitrate medication use | Dangerous interactions, avoid combining | Consult doctor |
| Severe liver impairment | May require dose adjustment | Medical supervision |
| Recent stroke or heart attack | Increased risk, should consult healthcare provider | Avoid use until cleared |
you should know that tadalafil is available under the brand names Adcirca and Cialis. You should only be treated with one of these products at a time. tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, and nutritional supplements you are taking or plan to take.
Daily Intake
Occasional episodes of ED are typical and could be due to causes such as work stress, relationship troubles, or excessive alcohol consumption. 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.
Incidence not known
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. 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.
Dosage for ED and BPH
The medication is designed to significantly impact your circulation, so taking too much may cause severe reactions cialis 20mg lilly that negatively affect your sexual health and blood flow throughout the body. 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. Your doctor may need to change the doses of your medications or monitor you carefully for side effects. tell your doctor what herbal products you are taking, especially St. John's wort. tell your doctor if you smoke; if you have ever had an erection that lasted more than 4 hours; and if you have recently had diarrhea, vomiting, not been drinking enough fluids, or sweating a lot which may have caused dehydration (loss of a large amount of body fluids.