Cialis Prices, Coupons, Copay Cards & Patient Assistance

The best way to learn more about ED is to make an appointment with a doctor.

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

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.

• Some men may not respond adequately to the 20 mg dose.
• If ineffective, consult your doctor; do not increase the dose yourself.
• Alternative treatments for ED include other PDE5 inhibitors or devices.
• Underlying health issues like diabetes should be well-managed.
• Lifestyle changes like quitting smoking can improve ED.
• Vascular health is crucial for the medication's effectiveness.

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.

World Federation of Neurology

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. Take the medication as prescribed by your doctor.

Comparison with actions of other PDE5 inhibitors

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. Get medical help right away if you experience an erection lasting longer than 4 hours. 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.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	60mg	270 + 10 Pills	443.96€ 422.82€	Buy
Cialis Generic	2.5mg	90 + 6 Pills	112.43€ 107.08€	Buy
Cialis Generic	10mg	180 + 8 Pills	236.88€ 225.60€	Buy
Cialis Super Active	20mg	270 + 30 Pills	661.49€ 629.99€	Buy
Cialis Generic	40mg	360 + 10 Pills	477.87€ 455.11€	Buy
Cialis Professional	40mg	180 + 4 Pills	618.23€ 588.79€	Buy
Cialis Generic	40mg	90 + 6 Pills	171.35€ 163.19€	Buy
Cialis Generic	60mg	20 Pills	65.61€ 62.49€	Buy
Cialis Professional	40mg	120 + 4 Pills	436.68€ 415.89€	Buy
Cialis Generic	10mg	30 + 4 Pills	63.32€ 60.30€	Buy
Cialis Super Active	20mg	120 + 16 Pills	382.15€ 363.95€	Buy
Cialis Generic	5mg	90 + 6 Pills	115.91€ 110.39€	Buy
Cialis Generic	5mg	20 Pills	41.99€ 39.99€	Buy

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.

HPE HOUSTON PHARMACY

While Cialis works for ED by affecting the PDE5 enzyme in the penis, it also affects other PDE enzymes in tissues and cells in other areas of the body. For example, PDE5 is found in tissues in the lungs, kidneys, liver, brain, and platelets. Cialis also affects PDE11, which is found in tissues in the: corpus cavernosum, one of two columns of spongy tissue that runs through the penis Doubling the maximum dose of Cialis to 40 mg can increase the chances of experiencing side effects, which include: Priapism is an erection lasting longer than 4 hours caused by not enough blood leaving the penis, leading to low oxygen levels. The most severe type is ischemic priapism, which requires urgent medical intervention to avoid long-term damage to penile tissue. Another reason not to double your dose is the long-lasting effects of Cialis.

1. Erectile Dysfunction (ED)

Cialis’s effects last much longer (up to 36 hours) than those of other PDE5 inhibitors like Viagra (4 to 5 hours). So, Cialis stays in your body and clears slowly. Adding doses on top of what’s already in your system can increase the risk of side effects. It limits the effect of the PDE5 enzyme in the penis, allowing blood vessels in your penis to relax so blood can flow into the penis, helping to get or keep an erection. Keep in mind that Cialis won’t work unless you’re stimulated or aroused.

Erectile dysfunction explained

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. 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. 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. 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. 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.

Side Effects

Some common side effects of Cialis include: muscle pain and back pain (higher doses brand cialis canadian pharmacy 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. You can’t tell what’s in these products just by looking. 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. 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 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. It works to treat erectile dysfunction by increasing blood flow to the penis during sexual stimulation.

Common Side Effects	Less Common Side Effects	Severe Reactions	Action to Take
Headache	Dizziness	Priapism (prolonged erection)	Seek immediate medical help
Flushing	Nasal congestion	Vision changes	Discontinue use, consult doctor
Indigestion	Muscle pain	Sudden hearing loss	Seek urgent medical attention

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).

• Cialis 20 mg offers a reliable erectile aid.
• The pill contains tadalafil, a PDE5 inhibitor.
• It’s vital to follow dosage instructions strictly.
• Cialis 20 mg can be bought from licensed pharmacies.
• Avoid high-fat meals around timing.
• Report any severe or unusual side effects.

It may be taken with or without food.

What About Other ED Medications?

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. If you’re nervous or anxious, this affects your arousal and ability to get or keep an erection.

Overdose symptoms

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. For the daily dose, try to take it at the same time every day.

Dosage for ED and BPH

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. You may need a lower dose of Cialis to avoid side effects. If you are taking tadalafil to treat erectile dysfunction, follow your doctor's directions and the guidelines in this paragraph.