Cialis (tadalafil) oral tablets come in 2.5 mg, 5 mg, 10 mg, and 20 mg strengths, giving men an on-demand or daily option with effects that can last up to 36 hours. We offer multiple package sizes to match a daily or occasional routine, backed by pharmacist support and tracked delivery within the United States.
We carefully pack each order and ship it within 24 hours. Below is an example of a standard package.
The packaging measures 9.4x4.3x0.3 inches (24x11x0.7 cm), similar to a standard personal envelope, and conceals its contents.
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Shipping Times
Shipping Method
Estimated delivery
Express Free for orders over $300.00
Estimated delivery to the U.S.: 4-7 days
Standard Free for orders over $200.00
Estimated delivery to the U.S.: 14-21 days
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Brand Names
Also known as (by country):
Country
Brand Names
United States
AdcircaAlyq
FAQ
Use an authorized medicine take-back program when one is available. If no take-back option is accessible, ask a pharmacist or local waste authority how to dispose of the tablets safely.
Inactive ingredients can vary among manufacturers and formulations. Check the supplied package information or ask a pharmacist before use if you need to avoid a specific excipient.
Tablet color, shape, size, packaging, and imprint can differ between supplied products. A different appearance alone does not mean the medicine is wrong; compare the active ingredient, strength, dosage form, manufacturer, package label, lot number, expiration date, and imprint when present. Do not use the tablets until any discrepancy in ingredient, strength, dosage form, imprint, seal, or condition has been checked.
Tadalafil tablets are used to treat erectile dysfunction in adult men. A 5 mg once-daily regimen may also be used for the signs and symptoms of benign prostatic hyperplasia, including urinary symptoms.
Tadalafil tablets are taken by mouth and may be taken with or without food. For erectile dysfunction, an on-demand regimen is commonly started at 10 mg before anticipated sexual activity and may be adjusted from 5 mg to 20 mg, with no more than one dose in a day; daily regimens use lower doses. For benign prostatic hyperplasia, the usual regimen is 5 mg once daily. The appropriate regimen depends on the condition, other medicines, and kidney or liver function.
Description
If you are comparing erectile dysfunction tablets, the detail that most clearly separates Cialis from shorter-acting alternatives is time. Tadalafil can improve erectile response for up to 36 hours after an on-demand dose, although individual timing varies and sexual stimulation is still required. That extended window can reduce the need to plan intimacy around a narrow dosing period. We stock Cialis tablets in 2.5 mg, 5 mg, 10 mg, and 20 mg strengths, allowing for either occasional use or a lower-dose daily routine when prescribed.
Cialis Identity, Role, and Practical Distinction
Cialis is our tadalafil tablet listing. Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor taken by mouth, and every option under this listing is an oral tablet rather than a different dosage form or route. Tadalafil is authorized for human medical use in the United States, and oral tadalafil tablets are prescription medicines there.
Tadalafil has established uses for erectile dysfunction (ED), the signs and symptoms of benign prostatic hyperplasia (BPH), and men who have both ED and BPH. The dosing routine depends on the condition being treated. On-demand dosing is used for ED, while once-daily dosing may be used for ED, BPH, or combined ED and BPH. A prescriber should identify the appropriate purpose, strength, and schedule rather than having the customer choose a medical regimen from package size alone.
Who May Consider Cialis for Erectile Dysfunction?
Tadalafil tablets are intended for adults, and their ED use is well established, including in men with diabetes. Diabetes itself does not automatically prevent tadalafil use, but associated cardiovascular disease, kidney disease, and other medicines still need to be reviewed. Before choosing between Cialis and another option, consider:
Whether you prefer occasional, activity-timed dosing or a lower dose taken at the same time each day.
Whether you have heart disease, low or uncontrolled blood pressure, or a recent heart attack or stroke.
Whether a health professional has advised that sexual activity may be unsafe because of your cardiovascular condition.
Whether you take nitrates, riociguat, an alpha-blocker, blood pressure medicine, or another treatment for erectile dysfunction.
Whether you also have urinary symptoms associated with BPH, since this may affect the prescribed routine.
Whether kidney or liver impairment could require a lower dose, less frequent use, or avoidance of a particular regimen.
Anyone with a known serious hypersensitivity to tadalafil or another tablet component should not take it. Tadalafil is not indicated for pediatric patients, and the safety and effectiveness of these tablets have not been established in children.
How Tadalafil Works and What That Means Day to Day
During sexual stimulation, the body releases nitric oxide and increases a signaling molecule called cyclic guanosine monophosphate, or cGMP. This relaxes smooth muscle and helps blood flow into the penis. The PDE5 enzyme breaks down cGMP; tadalafil inhibits that enzyme, allowing the natural erectile response to work more effectively.
Tadalafil does not create sexual desire, cause an automatic erection, or replace stimulation. The extended response window also does not mean an erection lasts for 36 hours. It means that, while the medicine remains effective, an erection may be easier to achieve in response to stimulation at different points during that period.
Dosing, Administration, and Building a Routine
Cialis can be taken with or without food. Food, including a high-fat meal, does not have the same clinically important effect on tadalafil absorption that it can have on some shorter-acting ED medicines. This makes the timing of meals less important, but the tablet should still be used exactly as prescribed.
Dosing approach
Typical strength pattern
General timing pattern
On-demand for ED
Usually starts at 10 mg and may be adjusted to 5 mg or 20 mg
Taken before anticipated sexual activity, with effect possible from about 30 minutes; do not take more than once per day
Once daily for ED
Usually 2.5 mg, with adjustment to 5 mg when appropriate
Taken at approximately the same time every day, regardless of planned activity
Once daily for BPH or ED with BPH
Usually 5 mg
Taken at approximately the same time every day
These are general established patterns, not individual dosing instructions. Age alone does not usually require a dose adjustment, but response, side effects, other medicines, kidney or liver function, and the reason for treatment can change the recommendation. Some daily regimens are not advised in severe kidney impairment, while on-demand use may require a lower maximum dose or a longer interval. Significant liver impairment also requires professional review.
Do not double a missed daily dose or take extra tadalafil to compensate for a weak response. Daily tadalafil reaches relatively stable levels after several days, so the first tablet does not fully represent the eventual daily exposure. Keep the tablets in their original container, protect them from moisture, and store them out of the reach of children.
Which Cialis Strength and Package Size Fits Your Plan?
We offer package counts from 10 to 360 pills, depending on the selected strength. The 2.5 mg option begins at 30 pills, the 5 mg option begins at 20 pills, and the 10 mg and 20 mg options begin at 10 pills. All four strengths have larger options up to 360 pills. This range supports both daily and occasional routines without changing the tablet's oral dosage form.
A smaller eligible package may be practical when a prescriber has recently started or changed treatment and response still needs to be assessed.
Larger counts of 2.5 mg or 5 mg tablets may align with an established once-daily routine.
Counts of 10 mg or 20 mg tablets may suit an established on-demand routine in which tablets are used less frequently.
Package quantity should follow the prescribed regimen and expected period of use. It should not be used to decide the dose. Do not combine lower-strength tablets, split tablets, or switch between daily and on-demand use unless the prescriber or dispensing instructions specifically permit it.
How Long Does Cialis Take to Work, and How Long Does It Last?
For on-demand ED treatment, tadalafil may begin supporting an erectile response from around 30 minutes after a dose, but some men need more time. Blood levels generally peak later, and food does not meaningfully alter overall absorption. Individual onset depends on factors such as stimulation, health status, anxiety, alcohol use, and the adequacy of the prescribed dose.
The potential effect window extends for up to 36 hours, which is considerably longer than the typical window for sildenafil or vardenafil. This does not mean every person will experience the maximum duration or that repeated sexual activity is guaranteed. If tadalafil repeatedly does not work as expected, the appropriate next step is a review of administration, stimulation, underlying health, and dose with a prescriber - not taking additional tablets.
Important Safety Priorities Before You Start
The most important contraindication is the use of any nitrate medicine, including nitroglycerin or isosorbide products. Combining a nitrate with tadalafil can cause a dangerous fall in blood pressure. Because tadalafil remains in the body for an extended period, nitrates are generally avoided for at least 48 hours after the last dose; if a nitrate is considered medically necessary in an emergency, it requires close medical supervision. Tadalafil must also not be combined with riociguat or another guanylate cyclase stimulator because of the risk of symptomatic hypotension.
Common adverse effects include headache, indigestion, flushing, nasal congestion, back pain, and muscle aches. Dizziness can occur, so assess how the medicine affects you before driving or operating machinery. Back pain and muscle aches may begin several hours after a dose and usually resolve, but persistent or severe symptoms should be discussed with a health professional.
Seek urgent medical care for an erection lasting more than four hours. Stop taking tadalafil and obtain prompt medical assessment for sudden loss or marked reduction of vision or hearing. Chest pain, fainting, or severe dizziness during sexual activity also requires urgent attention. If chest pain occurs, do not take a nitrate to treat it after tadalafil; tell emergency personnel when the last tadalafil dose was taken.
Before starting, review your health history and current medicines against these product-specific checks:
Working through these points with a prescriber or pharmacist before the first dose can reduce the chance of an avoidable interaction or adverse effect. A history of priapism, sickle cell disease, leukemia, multiple myeloma, penile deformity, severe eye disease, bleeding problems, active peptic ulcer, or significant cardiovascular disease deserves particular attention.
Interactions and Practical Precautions
Tadalafil has clinically important interactions beyond its absolute contraindications. Give the prescriber and pharmacist a complete list of prescription medicines, nonprescription products, supplements, and recreational substances. Key considerations include:
Alpha-blockers and blood pressure medicines: Combining their effects with tadalafil can produce dizziness, fainting, or symptomatic low blood pressure. Stable treatment and careful dose selection may be needed.
Other PDE5 inhibitors or ED treatments: Do not combine Cialis with sildenafil, vardenafil, avanafil, another tadalafil product, or an unapproved combination treatment. Safety and added benefit have not been established.
Strong CYP3A4 inhibitors: Medicines such as ketoconazole and ritonavir can increase tadalafil exposure, which may require a lower dose or restricted frequency. Other inhibitors, including some antibiotics and antifungals, also deserve review.
CYP3A4 inducers: Medicines such as rifampin, carbamazepine, and phenytoin may lower tadalafil exposure and reduce its effect.
Alcohol: Several drinks in a short period can increase dizziness, headache, rapid heartbeat, and a fall in blood pressure.
Grapefruit products: Grapefruit may increase tadalafil exposure in some people and could make adverse effects more likely.
Do not change or stop an alpha-blocker, blood pressure treatment, antiviral, antifungal, or other long-term medicine solely to use tadalafil. A health professional should decide whether timing, dose, monitoring, or a different ED treatment is appropriate.
How Does Cialis Compare to Viagra, Levitra, and Stendra?
Tadalafil is one of several oral PDE5 inhibitors used for erectile dysfunction. These medicines share a general mechanism, but they differ in duration, onset, food effects, interaction profiles, and how readily they fit either spontaneous or activity-timed use. No option is best for every patient, and an inadequate response to one medicine does not automatically predict the response to another.
How does Cialis compare to Viagra?
Feature
Cialis
Viagra
Active ingredient
Tadalafil
Sildenafil
Medication class
PDE5 inhibitor
PDE5 inhibitor
Dosage form
Tablet
Tablet
Available strengths
2.5 mg, 5 mg, 10 mg, 20 mg
25 mg, 50 mg, 100 mg
Dosing approach
Daily use or as-needed use
As-needed use before sexual activity
Duration of action
Up to 36 hours
Approximately 4 to 6 hours
Comparison of oral PDE5 inhibitors for erectile dysfunction.
Sildenafil, sold under the Viagra name, usually has an effect window of about four to five hours. A high-fat meal can delay its onset, so meal timing may require more attention than with tadalafil. Cialis generally offers the longer planning window, while sildenafil may appeal to someone who prefers a medicine that clears sooner.
Key practical distinctions between tadalafil and vardenafil tablets.
Vardenafil, associated with the Levitra name, is also shorter acting than tadalafil and is generally used on demand. Food and individual cardiovascular factors can affect how it is used, and vardenafil has additional relevance for people with certain heart-rhythm risks or medicines that prolong the QT interval.
How does Cialis compare to Stendra?
Feature
Cialis
Stendra
Active ingredient
Tadalafil
Avanafil
Dosage form
Tablet
Tablet
Available strengths
2.5 mg, 5 mg, 10 mg, 20 mg
50 mg, 100 mg, 200 mg
Typical onset
30 to 60 minutes
As fast as 15 to 30 minutes
Duration of action
Up to 36 hours
Approximately 6 to 12 hours
Comparing onset timing and duration between tadalafil and avanafil.
Avanafil, sold under the Stendra name, can have a faster labeled onset at some doses and may suit men who prioritize a shorter lead time. Its duration is still substantially shorter than tadalafil's potential 36-hour window. A prescriber can help weigh that faster-onset possibility against Cialis's longer period of flexibility.
These alternatives should be compared as substitutes, not combined. Taking two PDE5 inhibitors together can intensify low blood pressure and other adverse effects without established additional benefit.
Prescription Requirements and Access in the United States
Oral tadalafil tablets are prescription-only medicines in the United States. That classification describes how the dosage form is regulated; it is separate from the documentation our ordering process asks a customer to provide. Because our product-specific acceptance requirement is not stated here, contact our support team before checkout if you need to confirm what information or documentation is required for your order.
Our pharmacist and support team are available 24/7 by email, online chat, and phone. They can explain our ordering process and help with product or administration questions. Individual diagnosis, prescribing, and decisions about whether tadalafil is suitable should come from an appropriately licensed health professional.
Ordering, Delivery, and Receiving Your Cialis Order
We have operated as an online pharmacy since 2008. Once a prescriber has identified the appropriate tadalafil routine, our ordering process is designed to make the product choice and delivery steps clear:
Select the prescribed strength and an available package count that matches the intended period of treatment.
Review the product and checkout information carefully, and contact our support team if you need to confirm any ordering requirement before payment.
Check the recipient name, street address, apartment or unit number, city, state, and ZIP code to reduce avoidable carrier delays.
After the order is accepted, it moves to packing and dispatch. Delivery dates are estimates rather than guarantees because carrier performance can vary.
Use the available tracking information to follow delivery, and contact us by email, online chat, or phone if the package is delayed or arrives damaged.
Prices are displayed in US dollars. When the package arrives, check that the name, strength, tablet count, and packaging match the order before use. Keep the medicine in its original container and do not use tablets that appear damaged, discolored, or different from the supplied product information. Contact our support team if anything about the package appears incorrect.
Making Your Decision
Choosing Cialis over another PDE5 inhibitor usually comes down to whether its longer response window or once-daily option fits your priorities better than a shorter-acting treatment. The 2.5 mg and 5 mg strengths support established daily regimens, while 5 mg, 10 mg, and 20 mg may be used within prescribed on-demand dosing. Our available counts range from 10 to 360 pills according to strength, so the package can be matched to an established plan without using quantity to make the medical decision.
Before ordering, confirm the indication, strength, schedule, interactions, and cardiovascular suitability with a prescriber. Once those points are settled, we provide multiple package options, around-the-clock pharmacist and customer support, order tracking, and delivery to help you follow the plan with fewer practical uncertainties.
No. Tadalafil must not be taken with nitrates, including nitroglycerin, because the combination can cause a dangerous drop in blood pressure. Tell the clinician treating chest pain when you last took tadalafil before any nitrate is given.
Product specifications
Active ingredient
Tadalafil
Drug class
Phosphodiesterase type 5 (PDE5) inhibitor
Dosage form
Tablet
Available strengths
2.5 mg, 5 mg, 10 mg, 20 mg
Route
Oral
Storage
Store at 77°F; excursions permitted between 59°F and 86°F. Keep in the original container, away from moisture and out of reach of children.
ATC code
G04BE08
Regulatory information
Approval StatusTadalafil is fully approved for human medical use in the United States.
Prescription StatusTadalafil tablets are available by prescription only and require authorization from a licensed healthcare provider.