Tadalafil 5 mg Daily Use: What Men Should Know Before Taking It

By Healing Medex 24|7 | 9/5/2026

Tadalafil 5 mg Daily Use: What Men Should Know Before Taking It

What Is Tadalafil 5 mg?

Tadalafil belongs to a class of medicines called phosphodiesterase type 5 (PDE5) inhibitors.

It works by helping relax blood vessels and improving blood flow to certain areas of the body. In men with erectile dysfunction, tadalafil helps increase blood flow to the penis during sexual stimulation, making it easier to achieve and maintain an erection.

Tadalafil does not automatically cause an erection. Sexual stimulation is still required for it to work.

Tadalafil is also used to relieve urinary symptoms associated with an enlarged prostate, including difficulty starting urination, weak urine flow, and frequent or urgent urination.

Why Is Tadalafil 5 mg Taken Every Day?

Daily tadalafil is designed to maintain a relatively consistent amount of medicine in the body.

For men being treated for both erectile dysfunction and benign prostatic hyperplasia, 5 mg once daily is an established dosing regimen. For ED alone, daily treatment may start at a lower dose and be adjusted by a healthcare professional based on effectiveness and tolerability.

One advantage of daily treatment is that sexual activity does not have to be planned around taking a tablet immediately beforehand.

However, daily tadalafil is not necessarily the best option for every man. A healthcare professional should determine whether daily or as-needed treatment is more appropriate.

Who May Benefit From Tadalafil 5 mg Daily?

A healthcare provider may consider daily tadalafil for men who:

  • Have erectile dysfunction and expect sexual activity relatively frequently.

  • Prefer not to plan medication around sexual activity.

  • Have both erectile dysfunction and symptoms of benign prostatic hyperplasia.

  • Have responded to tadalafil previously and can tolerate the medicine.

  • Are considered medically suitable for PDE5 inhibitor treatment.

Treatment should always be individualized according to medical history, other medicines being taken, and the underlying cause of erectile dysfunction.

How Should Tadalafil 5 mg Daily Be Taken?

When tadalafil is prescribed for once-daily use, it is generally taken once a day at approximately the same time each day.

It can be taken with or without food.

Men taking daily tadalafil should remember:

  • Take it exactly as prescribed.

  • Do not take more than one prescribed dose in a day.

  • Try to take the tablet at approximately the same time each day.

  • Do not take additional tadalafil before sexual activity unless specifically instructed by your doctor.

  • Do not combine tadalafil with sildenafil, vardenafil, avanafil, or another ED medicine unless a healthcare professional has specifically instructed you to do so.

Taking more tadalafil does not necessarily improve erections and can increase the risk of adverse effects.

How Long Does Tadalafil Take to Work?

Tadalafil is known for having a longer duration of action than several other PDE5 inhibitors.

When tadalafil is used as an as-needed treatment, its effects may help erectile function for up to 36 hours in some men.

Daily tadalafil works differently. Regular dosing maintains ongoing exposure to the medicine, so men do not generally need to coordinate each dose with the timing of sexual activity.

Individual responses vary, and some men may require several days of regular dosing before they can properly assess how well daily treatment works for them.

What Should You Tell Your Doctor Before Taking Tadalafil?

Before starting tadalafil 5 mg daily, tell your healthcare provider about all medical conditions and medicines you use.

This is particularly important if you have:

  • Heart disease.

  • A previous heart attack or stroke.

  • Low blood pressure.

  • Uncontrolled high blood pressure.

  • Kidney disease.

  • Liver disease.

  • Certain blood disorders, including sickle cell disease, multiple myeloma, or leukemia.

  • A physical abnormality or significant curvature of the penis.

  • A history of prolonged or painful erections.

  • Previous serious vision problems.

  • Previous sudden hearing problems.

A healthcare professional may need to adjust treatment or recommend another option depending on your condition.

Never Take Tadalafil With Nitrates

One of the most important tadalafil safety precautions concerns nitrate medicines.

Tadalafil should not be taken together with nitrates used to treat chest pain or angina because the combination may cause a dangerous fall in blood pressure.

Examples include medicines containing:

  • Nitroglycerin.

  • Isosorbide mononitrate.

  • Isosorbide dinitrate.

Recreational drugs sometimes known as “poppers”, which may contain amyl nitrate or related substances, should also be avoided.

Official tadalafil prescribing information lists concurrent nitrate use as a contraindication.

If you develop chest pain after taking tadalafil, seek urgent medical attention and tell healthcare professionals when you last took tadalafil. Do not take nitrate medication unless emergency medical professionals determine it is safe.

Tadalafil and Riociguat

Tadalafil should also not be combined with guanylate cyclase stimulators such as riociguat, because combining the medicines can cause excessive lowering of blood pressure.

Always give your doctor or pharmacist a complete list of medicines you are taking.

Tadalafil and Alpha-Blockers

Some men with prostate problems or high blood pressure take medicines known as alpha-blockers.

Both tadalafil and alpha-blockers can lower blood pressure. Taking them together may therefore cause dizziness, fainting, or symptomatic low blood pressure in some people.

If you already take an alpha-blocker, your healthcare provider should determine whether tadalafil is suitable and how treatment should be started.

Other Medicines That Can Interact With Tadalafil

Tell your healthcare provider about prescription medicines, over-the-counter medicines, vitamins, herbal products, and supplements you take.

Potential interactions may occur with certain:

  • Blood-pressure medicines.

  • Alpha-blockers.

  • Antifungal medicines.

  • Antibiotics.

  • HIV medicines.

  • Seizure medicines.

  • Other erectile dysfunction medicines.

Some medicines can increase or decrease tadalafil levels in the body and may require a change in dose or treatment.

For example, official prescribing information states that people taking certain strong CYP3A4 inhibitors, such as ketoconazole or ritonavir, may require a lower maximum daily tadalafil dose.

Can You Drink Alcohol While Taking Tadalafil?

Alcohol and tadalafil can both lower blood pressure.

Drinking excessive amounts of alcohol while using tadalafil may increase the likelihood of:

  • Dizziness.

  • Headache.

  • Increased heart rate.

  • Light-headedness.

  • Low blood pressure.

Heavy alcohol use may also make achieving an erection more difficult.

Men taking tadalafil should discuss alcohol consumption with their healthcare provider, particularly if they have cardiovascular conditions or take blood-pressure medicines.

Common Side Effects of Tadalafil 5 mg

Like all medicines, tadalafil can cause side effects.

Commonly reported effects may include:

  • Headache.

  • Flushing.

  • Indigestion or upset stomach.

  • Stuffy or congested nose.

  • Back pain.

  • Muscle aches.

Many side effects are temporary, but persistent or troublesome symptoms should be discussed with a healthcare professional.

Serious Side Effects That Require Medical Attention

Although uncommon, certain tadalafil side effects can be serious.

Prolonged Erection

Seek urgent medical attention if you develop an erection lasting 4 hours or longer.

A prolonged erection, known as priapism, can damage penile tissue if treatment is delayed.

Sudden Vision Changes

Stop using tadalafil and obtain urgent medical attention if you suddenly lose vision or experience a major change in eyesight.

Sudden Hearing Loss

Sudden hearing reduction or hearing loss, particularly if accompanied by dizziness or ringing in the ears, requires prompt medical evaluation.

Chest Pain or Severe Cardiovascular Symptoms

Seek emergency medical attention for chest pain, severe dizziness, fainting, or other concerning cardiovascular symptoms.

Always tell emergency healthcare professionals that you take tadalafil and when your most recent dose was taken.

What Happens If You Miss a Daily Dose?

If you forget a dose of daily tadalafil, take it when you remember unless it is almost time for the next scheduled dose.

If the next dose is approaching, skip the missed dose and continue your normal schedule.

Do not take two doses together to make up for a missed tablet.

Can Men With Kidney or Liver Problems Take Tadalafil?

Kidney and liver function can affect how tadalafil is processed by the body.

Men with kidney disease may require a lower dose or may not be suitable candidates for once-daily tadalafil depending on the severity of impairment.

Daily tadalafil also requires additional caution in people with liver impairment, and use may not be recommended in severe liver disease.

Never adjust the dose yourself. A doctor should determine whether tadalafil is appropriate.

Tadalafil 5 mg Daily vs Tadalafil Taken When Needed

Both approaches can be effective, but they are used differently.

Daily tadalafil

  • Taken once every day.

  • Usually uses a lower dose.

  • Does not require dosing immediately before each sexual encounter.

  • May be especially useful when both ED and BPH symptoms are present.

As-needed tadalafil

  • Taken before anticipated sexual activity.

  • Typically uses a different prescribed dose.

  • May provide erectile-function benefit for up to 36 hours.

  • May suit men who have sexual activity less frequently.

Neither approach is automatically better. The appropriate treatment depends on frequency of sexual activity, effectiveness, side effects, other medical conditions, and personal preference.

Does Tadalafil Increase Sexual Desire?

No.

Tadalafil does not directly increase testosterone or sexual desire. Its primary role in erectile dysfunction is to improve the physiological erectile response by increasing blood flow to the penis during sexual stimulation.

If low sexual desire is the main problem, a healthcare professional may investigate other possible causes.

Does Tadalafil Cure Erectile Dysfunction?

Tadalafil helps manage erectile dysfunction but does not necessarily cure its underlying cause.

ED can sometimes be associated with:

Because erection problems may occasionally be an early sign of another health condition, medical evaluation can be important rather than simply treating the symptom. The NHS recommends medical assessment because ED can sometimes be associated with conditions such as diabetes or heart disease.

Frequently Asked Questions

Can I take tadalafil 5 mg every day?

Tadalafil can be prescribed for once-daily use in appropriate patients. Whether 5 mg daily is suitable depends on the condition being treated, other medicines, kidney and liver function, cardiovascular health, and how you respond to treatment.

What is the best time to take tadalafil 5 mg?

For daily treatment, tadalafil should generally be taken at approximately the same time each day. It does not need to be timed specifically around sexual activity.

Can tadalafil 5 mg be taken with food?

Yes. Tadalafil may generally be taken with or without food.

Can I take two tadalafil 5 mg tablets if one does not work?

Do not increase your dose or take additional tablets without medical advice. Higher doses may increase the risk of side effects and dangerous interactions.

Can I use sildenafil together with daily tadalafil?

Do not combine tadalafil with sildenafil or other PDE5 inhibitors unless specifically instructed by a qualified healthcare professional. Combining ED medicines can increase the likelihood of adverse effects, including excessive lowering of blood pressure.

How quickly does daily tadalafil improve ED?

Individual response varies. Some men notice improvement relatively quickly, while others may need several days of consistent treatment before assessing the full benefit. Follow the treatment duration recommended by your healthcare provider.

Final Thoughts

Tadalafil 5 mg daily can be a convenient treatment option for certain men with erectile dysfunction, particularly those who prefer greater spontaneity or who also have urinary symptoms related to an enlarged prostate.

However, tadalafil is not suitable for everyone.

Before starting treatment, men should discuss their heart health, kidney and liver function, current medicines, and other medical conditions with a healthcare professional. Most importantly, tadalafil must not be combined with nitrate medicines, and urgent medical attention is required for symptoms such as a prolonged erection, sudden vision or hearing changes, or serious cardiovascular symptoms.

Using tadalafil under appropriate medical supervision can help maximize its benefits while reducing avoidable risks.

Last Updated on 02/10/2026

Medically Written ByDr. Marcus Vance, PharmDDr. Marcus Vance, PharmD

Last Updated on 02/10/2026

Medically Reviewed ByDr. Rachel Peter, PharmD, PhDDr. Rachel Peter, PharmD, PhD