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Tadalafil Generic for Cialis®

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The same active ingredient as Cialis at 10% of the cost. Tadalafil is a generic erectile dysfunction medication that’s FDA approved and clinically proven to help men with ED get and maintain erections. Getting hard just got simple.

Meet tadalafil

The more affordable form of Cialis® that’s just as effective

Can be taken as-needed or once daily

Free shipping, if prescribed

How to take

Take tadalafil exactly as your provider advises you. Tadalafil can be taken as-needed or daily. Its effects can last for 24-36 hours, so it can support erections longer than other ED treatments.

Side effects

  • Prescription products require an online consultation with a physician who will determine if a prescription is appropriate.
  • Side effects for this medication can include headaches, flushing, upset stomach, abnormal vision, runny or stuffy nose, back and muscle pain, nausea, dizziness, and rash. If you have any side effects that bother you or do not go away, talk to your provider.

* Only available if prescribed after an online consultation with a healthcare provider.

* This page has been medically reviewed by Peter J. Stahl, MD.

* Actual price to customer will depend on product and subscription plan purchase

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Why tadalafil?

Treatment on your terms

Tadalafil can be taken daily or as-needed so you’re back in control of your sex life.

Same ingredient, 90% less

This generic form of Cialis® is made with the same active ingredient at 10% of the cost.

How tadalafil works

How tadalafil works

Inhibits PDE5

Tadalafil is an oral ED medication that works by suppressing an enzyme in the body called PDE5.

Increases blood flow

When PDE5 is suppressed, blood is able to flow more freely through the body—including to the (you guessed it) penis.

Gets you hard

More blood flow to the penis means harder, more satisfying erections once you’re sexually stimulated.

About tadalafil

What is tadalafil (generic for Cialis®)?

Tadalafil is the affordable generic version of Cialis®. Its active ingredient is identical to what you get from name brand Cialis®, but it’s available through Hims for a much more affordable price—over 90% less.

Good to know

How to take tadalafil


Daily tadalafil is taken once per day and comes in a low dose (2.5mg or 5mg dosage), which gradually builds up in your system. This means that you can be ready for sex at any time instead of waiting for a pill to kick in.


Take the as-needed (or “episodic”) dose of tadalafil when you want to be ready for the bedroom. Take this pill before you plan to have sex (for most men it reaches peak effect 2 hours after it’s taken) and be aware that its effects can last for up to 36 hours. It comes in a higher dose than daily-use tadalafil (5mg, 10mg or 20mg dosages) so it’s best to avoid using it on several consecutive days.

Common tadalfil side effects

The most common side effects of generic for Cialis® include headaches, indigestion, heartburn, back pain, muscle aches, facial flushing, nasal congestion, cold symptoms, dizziness, vision changes, and blood pressure changes. Your medical provider can help you mitigate or treat these symptoms if you experience them.

How to get tadalafil online through Hims

How to get tadalafil online through Hims

Simple consultation

Answer a few questions about your symptoms and health history.

Connect with a provider

A licensed medical provider will determine if treatment is right for you.

Free delivery

Your ED medication will ship discreetly to you for free, if prescribed.

Frequently asked questions about tadalafil

What is tadalafil used for?

Tadalafil is a low cost generic prescription drug that is used to treat several conditions, namely erectile dysfunction (impotence), as well as enlarged prostate (benign prostatic hyperplasia or BPH), and high blood pressure in the lungs (pulmonary arterial hypertension). Tadalafil (like its brand-name counterparts, Cialis® and Adcirca®) belongs to a group of medicines called phosphodiesterase type 5 (PDE5) inhibitors or PDE5 inhibitors. These medicines prevent the enzyme PDE5 from working too quickly and help blood flow more freely through blood vessels in the body. The penis is one of the body parts where this enzyme works.

How long does tadalafil take to work?

When tadalafil (the lowest price generic version of Cialis®) is taken as needed for ED, it can start working within 30-45 minutes, but reaches peak effect in most men 2 hours after it’s taken. Like other ED drugs that are taken as needed for ED, it must be taken in advance of when you plan to be sexually active to give it time to start working.
Tadalafil can also be taken at a lower prescribed dose at the same time every day. When taken in this way over time, you may find an increased ability to achieve an erection anytime you experience sexual stimulation. After beginning a daily regimen of tadalafil, you may be able to have successful intercourse in as early as 4 to 5 days.

How long does tadalafil last?

One dose of tadalafil taken as needed for sexual activity can remain effective for up to 36 hours, however peak concentration of tadalafil in the bloodstream usually occurs between 30 minutes and 6 hours with a median time of 2 hours. Since the effectiveless of tadalafil lasts for a long time, it can be taken well in advance to allow for more spontaneous sexual activity over the course of a day or night.

What is in tadalafil?

Tadalafil tablets available through Hims contain the active ingredient tadalafil and the following inactive ingredients: croscarmellose sodium, hydroxypropyl cellulose, hypromellose, iron oxide, lactose monohydrate, magnesium stearate, microcrystalline cellulose, sodium lauryl sulfate, talc, titanium dioxide, and triacetin.

How much tadalafil should I take?

We offer tadalafil at great prices in several different strengths based on individual needs. Tadalafil dosing also depends on whether or not it is taken daily or as-needed.
Once-a-day tadalafil builds up in your system to 1.6 times the daily dose, and so the 5 mg daily treatment offered through Hims is similar to taking 8 mg of tadalafil before sex. Tadalafil taken as-needed for sexual activity is usually used at higher doses because it does not have time to build up in your system. Typical starting doses of as-needed tadalafil are 10 or 20 mg, depending on your specific health conditions and age.

Are tadalafil and Cialis® the same thing?

Tadalafil is the affordable, generic version of brand-name Cialis®. Cialis® was originally created and is produced by the pharmaceutical company Eli Lilly, and generic tadalafil became available in 2018 after the patent protection ended. Both brand-name Cialis® and tadalafil have been shown to be safe and provide the same treatment effects for erectile dysfunction, but tadalafil is available for a fraction of the price of Cialis®.

Is tadalafil stronger than Viagra®?

While dosing for Viagra® and tadalafil are different, tadalafil does have one big advantage: it lasts longer than Viagra® (up to 36 hours rather than 4 to 5).

What are the side effects of tadalafil?

Common side effects of tadalafil include headaches, indigestion, heartburn, back pain, muscle aches, facial flushing, nasal congestion, cold symptoms, dizziness, vision changes, and blood pressure changes. If any of these side effects bother you or don't go away, contact your healthcare provider. Serious side effects are rare, but may include a life-threatening drop in blood pressure, allergic reaction, sudden vision loss, hearing loss, and priapism (an erection lasting four hours or longer). If you experience any of these serious side effects, get medical help immediately.

Is tadalafil safe?

Tadalafil is generally safe for most men with ED. However, men who have other health conditions should alert their doctor prior to starting any erectile dysfunction medication.
Some medical conditions and symptoms that may predispose someone to adverse effects from tadalafil include heart problems like heart failure or a previous heart attack, angina or chest pain, irregular heartbeats, high or low blood pressure, retinitis pigmentosa (a rare genetic eye disease), pulmonary hypertension, stroke, liver disease, kidney disease, severe vision loss, stomach ulcers, bleeding problems, deformed penis shape or Peyronie’s disease, experience with erections lasting more than 4 hours, or blood cell disorders like sickle cell anemia, multiple myeloma, or leukemia.

Does tadalafil have any interactions?

Tadalafil can be taken with other medications unless there is a known interaction between the two drugs. Common drug interactions with tadalafil include nitrates, alpha-blockers, guanylate cyclase stimulators, HIV protease inhibitors, some antifungals, and some antibiotics. Some examples of these drugs include nitroglycerin, amyl nitrate, doxazosin, erythromycin, ketoconazole, rifampin, riociguat, ritonavir, tamsulosin, itraconazole, and poppers. Seek medical advice from a healthcare professional if you are taking any other medications prior to starting tadalafil. It is especially important to follow medical advice when combining tadalafil with other ED medications, such as sildenafil (Viagra®), avanafil (Stendra®), and vardenafil (Levitra®).
A disclaimer: don't take tadalafil with grapefruit juice. The tadalafil-grapefruit interaction can cause your body to not absorb the drug correctly, and you could end up with heightened effects of tadalafil as a result. It's a good idea to avoid eating or drinking grapefruit for 72 hours before taking tadalafil. Learn more about Cialis® and grapefruit juice.

Is tadalafil a controlled substance?

No. According to the Controlled Substances Act (CSA), tadalafil is not considered a controlled substance.

Can you take tadalafil every day?

Typically, the 5 and 10 mg doses may be prescribed daily but not the 20 mg dose. In other words, there is a daily, low-dose option that is specifically meant to ensure you are ready for sex at the drop of a hat. This daily option is meant for long-term continuous use and a planning-free experience.

Learn more about tadalafil

Important safety information

Learn more about tadalafil

Important safety information

Up your knowledge on ED treatment

All About Tadalafil Interactions

Tadalafil Dosage Guide

Tadalafil Reviews


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