It is not known if tadalafil passes into breast milk. Tell your healthcare provider if you are breastfeeding or plan to breastfeed.

Cialis 20 mg may cause nasal congestion.
Use caution if you have kidney or liver issues.
Combining Cialis with certain medications can be dangerous.
Regular heart check-ups are advised for long-term use.
Avoid heavy meals before taking the pill.
Patients should report any persistent side effects to their doctor.

Your healthcare provider may recommend limiting or la cialis avoiding grapefruit while taking tadalafil.

Step	Description	Duration
Take with water	Swallow the pill whole, with a glass of water	Once daily
Timing	30 minutes to 1 hour before sexual activity	As needed
Food interactions	Can be taken with or without food, high-fat meals may delay effect	N/A
Maximum dosage	20 mg per day	N/A

Grapefruit or grapefruit juice can raise tadalafil levels in your body, which can increase the risk of side effects. It is unknown if drinking alcohol will affect tadalafil.

What other drugs will affect Cialis?

Permanent damage to the penis may occur if priapism is not treated quickly. Stop taking tadalafil and get emergency help right away if you have any of the following symptoms of priapism. Erection lasting for more than 4 hours Erection that is unrelated to sexual stimulation If you feel faint or dizzy, lie down. Tell your healthcare provider right away if you have any of the following symptoms of low blood pressure. Tadalafil can cause mild, temporary vision changes such as seeing a blue tint, abnormal colors, blurry vision, or sensitivity to light.

Does Cialis increase the size of a man’s penis?

Though rare, some people have reported permanent vision loss. Stop taking tadalafil and get help right away if you have sudden vision loss in one or both eyes. Tadalafil may cause a sudden decrease or loss of hearing. Stop taking tadalafil and tell your healthcare provider right away if you experience hearing loss or have any of the following symptoms. People who are allergic to any of the following should not take tadalafil. The risk of low blood pressure and dizziness may be increased if you drink alcohol while taking tadalafil. It is best to limit the amount of alcohol you drink while taking tadalafil. Always tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using.

Product	Dosage	Quantity + Bonus	Price
Cialis Generic	20mg	30 + 4 Pills	68.05€ 64.81€
Cialis Professional	40mg	10 Pills	65.09€ 61.99€
Cialis Generic	60mg	10 Pills	41.22€ 39.26€
Cialis Generic	5mg	90 + 6 Pills	115.91€ 110.39€
Cialis Soft Tabs	20mg	120 + 6 Pills	248.64€ 236.80€
Cialis Generic	10mg	10 Pills	31.41€ 29.91€
Cialis Generic	20mg	20 Pills	54.72€ 52.11€
Cialis Super Active	20mg	60 + 8 Pills	230.32€ 219.35€
Cialis Generic	10mg	90 + 6 Pills	146.17€ 139.21€
Cialis Original	20mg	8 Pills	61.70€ 58.76€
Cialis Generic	2.5mg	360 + 10 Pills	260.03€ 247.65€
Cialis Professional	40mg	120 + 4 Pills	436.68€ 415.89€
Cialis Original	20mg	76 + 4 Pills	319.19€ 303.99€
Cialis Super Active	20mg	30 + 6 Pills	128.09€ 121.99€

In particular, make sure that you discuss if you are using any of the following before taking tadalafil.

Dosing & Uses

This enzyme usually stops some types of muscles from relaxing, including the muscles lining some types of blood vessels. By blocking PDE5, the muscles will relax and blood flow increases. For erectile dysfunction, it increases blood flow to the penis when aroused. This makes it easier to get and keep an erection. For pulmonary arterial hypertension, tadalafil relaxes the blood vessels in the lungs.

Dosage for erectile dysfunction (ED)

This lowers blood pressure and reduces strain on the heart. For benign prostatic hyperplasia, tadalafil relaxes the muscles of the bladder and prostate, making it easier to urinate and reducing symptoms. Tadalafil should be stored at room temperature, between 68 F to 77 F (20 C to 25 C). It can be exposed to temperatures between 59 F to 86 F (15 C to 30 C) for shorter periods of time, such as when transporting it. The most common side effects of tadalafil are listed below. A nitrate, such as nitroglycerin (Nitro-Dur, Nitrostat, and others) or isosorbide, which is a medicine used for chest pain caused by a type of heart disease, or a street drug, such as amyl nitrite (“poppers”) A guanylate cyclase stimulator, such as riociguat (Adempas), which is a medicine used for high blood pressure in the lungs (pulmonary arterial hypertension), or vericiguat (Verquvo), which is a medicine used for a type of heart failure An alpha-blocker, such as alfuzosin (Uroxatral), doxazosin (Cardura), dutasteride, prazosin (Minipress), silodosin (Rapaflo), tamsulosin (Flomax), or terazosin (Hytrin), which is a medicine that may be used for high blood pressure and/or difficulty peeing due to an enlarged prostate A blood pressure medicine, such as amlodipine (Norvasc) or enalapril (Vasotec) Bosentan (Tracleer), which is a medicine used for pulmonary arterial hypertension A protease inhibitor, such as ritonavir (Norvir), which is a medicine commonly used to treat HIV Rifampin (Rifadin), which is a medicine commonly used to treat an infection called tuberculosis A medicine used for fungal infections, such as ketoconazole or itraconazole (Sporanox, Tolsura) Erythromycin (Ery-Tab and others) or clarithromycin (Biaxin), which is a medicine used for bacterial infections Any other medicine used for erectile dysfunction or pulmonary arterial hypertension Some other medicines may alter the blood levels of tadalafil. Tell your healthcare provider about all medicines that you take or have recently taken. This may not be a complete list of medicines that can interact with tadalafil.

How should this medicine be used?

Tadalafil does not protect against sexually transmitted infections, including HIV. Tadalafil belongs to a group of medicines, known as phosphodiesterase-5 (PDE-5) inhibitors, which are used to treat erectile dysfunction or pulmonary arterial hypertension. You should not take more than one PDE-5 inhibitor medicine. Medicines in this group include avanafil (Stendra), sildenafil (Viagra, Revatio, and others), tadalafil (Cialis and others), and vardenafil (Levitra, Staxyn). If you take liquid tadalafil, shake the bottle well for 30 seconds before use. If you or someone else has used too much tadalafil, get medical help right away, call 911, or contact a Poison Control center at 800-222-1222.

The cost of brand-name Cialis is significantly higher than its generics.
Manufacturer coupons or patient assistance programs may be available.
Check the Lilly Cares Foundation for potential assistance programs.
Many prescription discount cards can reduce the out-of-pocket cost.
Prices can vary between pharmacies, so it pays to shop around.
A 30-day supply of generic Tadalafil can often be found for under $30.
Some mail-order pharmacies offer lower prices for a 90-day supply.
Always ensure you are comparing the same dosage and quantity.

If you miss a dose, take it as soon as you remember.

Overdose/Missed Dose

In particular, make sure that you discuss any of the following. Tell your healthcare provider if you have any of the following. Heart problems, such as heart rhythm problems, chest pain, or heart failure Heart attack, stroke, or heart surgery within the past six months High blood pressure that is still too high despite taking medicines for it Peyronie's disease, or a penis with an abnormal curve or shape An erection lasting longer than four hours A blood disorder, such as sickle cell anemia, multiple myeloma, or leukemia An inherited eye disease called retinitis pigmentosa Vision loss, or a problem with the nerve between your eyes and brain (optic nerve) Health conditions or factors that raise the risk of optic nerve problems, such as diabetes, high cholesterol, smoking, being older than 50, or having a “crowded disc,” which is something an eye doctor may see in an eye exam Pulmonary veno-occlusive disease, a condition where blood vessels in the lungs are blocked It is not known if or how tadalafil could affect pregnancy or harm an unborn baby. Tell your healthcare provider if you are or plan to become pregnant. Your healthcare provider will advise you if you should take tadalafil while you are pregnant or trying to get pregnant. If it is almost time for your next dose, skip the missed dose and only take the next dose.

Start your treatment journey

The side effects may vary depending upon the condition being treated. Tell your healthcare provider if you have any of these side effects that bother you. Pain in your muscles, back, arms, or legs There may be other side effects of tadalafil that are not listed here. Contact your healthcare provider if you think you are having a side effect of a medicine. In the U.S., you can report side effects to the FDA at or by calling 800-FDA-1088.

Pulmonary arterial hypertension

In Canada, you can report side effects to Health Canada at or by calling 866-234-2345. While less common, the most serious side effects of tadalafil are described below, along with what to do if they happen. Tadalafil may cause allergic reactions, which can be serious. Stop taking tadalafil and get help right away if you have any of the following symptoms of a serious allergic reaction. Swelling of the face, lips, mouth, tongue, or throat Itching, skin rash, or pale red bumps on the skin called hives Tadalafil may cause an unwanted erection that is persistent, painful, and that may occur without sexual arousal. Do not take double or extra doses.

Parameter	Value	Notes
Absorption Time	30-60 minutes	Peak plasma levels in about 2 hours
Half-life	17.5 hours	Long duration of action
Bioavailability	Approximately 80%	Percentage absorbed into bloodstream
Metabolism	Liver (via CYP3A4 enzyme)	Main pathway in the body
Excretion	Feces and urine	Mainly metabolized forms

Some tadalafil products are meant to be used only when needed.

Key Takeaways: Cialis vs Tadalafil

Any of the ingredients in the specific product dispensed Your pharmacist can tell you all of the ingredients in the specific tadalafil products they stock. Tadalafil should not be taken while you are using certain other medicines. Before taking tadalafil, tell your healthcare provider about any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal 5 mg of cialis products, and other supplements you are using. See the Interactions section for more details. Do not take tadalafil unless it has been prescribed to you by a healthcare provider.

What if I miss a dose?

Do not share tadalafil with other people, even if they have the same condition as you. Keep tadalafil out of the reach of children. Sexual activity can put extra strain on your heart, which may be unsafe for people with certain health problems, such as a recent heart attack. Talk to your healthcare provider to see if your heart is strong enough for sex. If you feel chest pain, dizziness, or nausea during sex, stop and contact your healthcare provider right away. Take it as your healthcare provider recommends.

Cialis is considered effective for most common causes of erectile dysfunction.
This includes ED caused by diabetes, hypertension, and prostate surgery.
Response rates may be lower in men with severe neurological damage.
It can be effective even in cases where other ED medications have failed.
Do not switch medications or adjust dosages without consulting your doctor.
A urologist is a specialist who can provide advanced ED management.
Treatment options include oral medications, injections, implants, and pumps.
Cialis is often the first-line oral therapy tried.

This survey is being conducted by the WebMD marketing sciences department.

Ingredient	Quantity per Tablet	Function
Tadalafil	20 mg	Active ingredient for ED
Microcrystalline Cellulose	50 mg	Binder and filler
Croscarmellose Sodium	10 mg	Disintegrant
Magnesium Stearate	5 mg	Lubricant
Titanium Dioxide	2 mg	Coating pigment

Indicated for treatment of erectile dysfunction (ED) Cialis (or generic equivalent) or Chewtadzy only PRN use: 10 mg PO initially before sexual activity, with or without food; may be increased to 20 mg or reduced to 5 mg on basis of efficacy and tolerability; in most patients, maximum dosing frequency is once daily Once-daily use (Cialis): 2.5 mg/day PO in single daily dose, without regard to timing of sexual activity, with or without food; may be increased to 5 mg/day on basis of efficacy and tolerability Indicated for treatment of signs and symptoms of benign prostatic hyperplasia (BPH); daily use also indicated for treatment of patients with both BPH and erectile dysfunction Cialis (or generic equivalent) or Chewtadzy only BPH with ED: 5 mg PO once daily, taken at approximately same time each day without regard to timing of sexual activity Coadministration with finasteride for BPH: Tadalafil 5 mg plus finasteride 5 mg PO once daily for ≤26 weeks; incremental benefit of tadalafil decreases from 4 weeks until 26 weeks, and the benefit beyond 26 weeks is unknown Indicated for pulmonary arterial hypertension (PAH) (WHO Group 1) to improve exercise ability; studies establishing effectiveness included predominately patients with NYHA Functional Class II – III symptoms and etiologies of idiopathic or heritable PAH (61%) or PAH associated with connective tissue diseases (23%) Adcirca, Alyq, Tadliq, or generic equivalent only 40 mg PO once daily; dividing dose for more frequent dosing is not recommended Patients also taking ritonavir: 20 mg PO once daily initially for ≥1 week; may be increased to 40 mg/day on basis of tolerability Cialis, Chewtadzy (PRN use)Mild (CrCl >50 mL/min): No dosage adjustment neededModerate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hrSevere (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Mild (CrCl >50 mL/min): No dosage adjustment needed Moderate (CrCl 30-50 mL/min): Not to exceed 5 mg PO once daily initially; maximum dosage, 10 mg PO q48hr Severe (CrCl <30 mL/min and on hemodialysis): Not to exceed 5 mg PO q72hr Cialis (once daily use)ED (CrCl >50 mL/min): No dosage adjustment neededBPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual responseED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended ED (CrCl >50 mL/min): No dosage adjustment needed BPH or BPH/ED (CrCl 30-50 mL/min): 2.5 mg/day starting dose recommended; may increase to 5 mg according to individual response ED or BPH (CrCl <30 mL/min or hemodialysis): Not recommended Chewtadzy (once daily use)BPH, ED/BPHCrCl >50 mL/min: No dosage adjustment neededCrCl ≤50 mL/min or hemodialysis: Not recommended CrCl >50 mL/min: No dosage adjustment needed CrCl ≤50 mL/min or hemodialysis: Not recommended Adcirca, Alyq, TadliqMild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerabilitySevere (CrCl <30 mL/min and on hemodialysis): Avoid use Mild-to-moderate (CrCl 31-80 mL/min): 20 mg PO once daily initially; may be increased to 40 mg once daily on basis of tolerability Severe (CrCl <30 mL/min and on hemodialysis): Avoid use Cialis, Chewtadzy (PRN use)Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once dailySevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Not to exceed 10 mg PO once daily Severe (Child-Pugh class C): Not recommended Cialis, Chewtadzy (once daily use)Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advisedSevere (Child-Pugh class C): Not recommended Mild-to-moderate (Child-Pugh class A or B): Data limited; caution advised Severe (Child-Pugh class C): Not recommended Adcirca,

What happens if I overdose?

Use an accurate measuring device to measure your dose. A household spoon is not an accurate measuring device and may cause you to take the wrong dose. Ask your pharmacist to recommend an appropriate measuring device. Tell your healthcare provider about all of your health conditions and any prescription or over-the-counter (OTC) medicines, vitamins/minerals, herbal products, and other supplements you are using. This will help them determine if tadalafil is right for you.