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Cialis Tadalafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, tadalafil works by increasing blood flow to the penis to help a man get and keep an erection.Tadalafil is also used to treat the symptoms of an enlarged prostate (benign prostatic hyperplasia-BPH). It helps to relieve symptoms of BPH such as difficulty in beginning the flow of urine, weak stream, and the need to urinate frequently or urgently (including during the middle of the night). Tadalafil is thought to work by relaxing the smooth muscle in the prostate and bladder.This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Practice “safe sex” such as using latex condoms. Consult your doctor or pharmacist for more details.

How to use Cialis

Read the Patient Information Leaflet provided by your pharmacist before you start taking tadalafil and each time you get a refill. If you have any questions, ask your doctor or pharmacist.

Take this medication by mouth, with or without food, as directed by your doctor. Do not take tadalafil more often than once daily.

The manufacturer directs to swallow this medication whole. However, many similar drugs (immediate-release tablets) can be split/crushed. Follow your doctor’s directions on how to take this medication.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. Be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

To treat the symptoms of BPH, take this medication as directed by your doctor, usually once a day. If you are also taking finasteride with this medication to treat symptoms of BPH, talk with your doctor about how long you should continue taking this medication.

To treat erectile dysfunction-ED, there are 2 ways that tadalafil may be prescribed. Your doctor will determine which is the best way for you to take tadalafil. Follow your doctor’s directions exactly since your dosage depends on how you are taking it. The first way is to take it as needed, usually at least 30 minutes before sexual activity. Tadalafil’s effect on sexual ability may last up to 36 hours.

The second way to treat ED is to take tadalafil regularly, once a day every day. If you take it this way, you may attempt sexual activity at any time between your doses.

If you are taking tadalafil to treat both ED and BPH, take it as directed by your doctor, usually once a day. You may attempt sexual activity at any time between your doses.

If you are taking tadalafil once daily for BPH, or for ED, or for both, take it regularly to get the most benefit from it. To help you remember, take it at the same time each day.

Tell your doctor if your condition does not improve or if it worsens.

Before taking this medicine

You should not take Cialis if you are allergic to tadalafil.

Taking Cialis with certain other medicines can cause a sudden and serious decrease in blood pressure. Do not take this medicine if you also use:

• riociguat (to treat pulmonary arterial hypertension); or
• a nitrate drug (for chest pain or heart problems) such as nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, or recreational drugs such as amyl nitrate or nitrite “poppers”.

Some tadalafil can remain in your bloodstream for 2 or more days after each dose you take (longer if you have liver or kidney disease). Avoid nitrate use during this time.

To make sure this Cialis is safe for you, tell your doctor if you have ever had:

• heart disease or heart rhythm problems;
• a heart attack or stroke;
• angina (chest pain), high or low blood pressure;
• pulmonary hypertension (unless you are taking tadalafil for this);
• a condition called pulmonary veno-occlusive disease (narrowing of the veins that carry blood from the lungs to the heart);
• liver or kidney disease (or if you are on dialysis);
• vision loss, or retinitis pigmentosa (an inherited condition of the eye);
• a bleeding disorder;
• a blood cell disorder such as sickle cell anemia, multiple myeloma, or leukemia;
• a physical deformity of the penis (such as Peyronie’s disease), or an erection lasting longer than 4 hours;
• a stomach ulcer; or
• health problems that make sexual activity unsafe.

Sudden vision loss has occurred in a small number of people taking medicines like tadalafil (Viagra or others). Most of these people already had certain eye problems or had high cholesterol, diabetes, coronary artery disease, a history of smoking, or were over 50 years old). It is not clear whether the medicine was the actual cause of vision loss.

Cialis is not expected to harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It is not known whether tadalafil passes into breast milk or if it could affect the nursing baby. Tell your doctor if you are breast-feeding.

Cialis is not approved for use by anyone younger than 18 years old.

How should I take Cialis?

Cialis is usually taken only once per day. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for longer than recommended.

Cialis can be taken with or without food.

Do not break or split a tablet. Swallow it whole.

For erectile dysfunction, take Cialis just before sexual activity but not more than once per day.

Cialis can help achieve an erection when sexual stimulation occurs. An erection will not occur just by taking a pill. Follow your doctor’s instructions.

Do not take Cialis for erectile dysfunction if you are taking Adcirca for pulmonary arterial hypertension.

Store at room temperature away from moisture and heat.

What happens if I miss a dose?

As Cialis is used as needed, you are not likely to be on a dosing schedule.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

What to avoid

Drinking alcohol with this medicine can cause side effects.

Grapefruit and grapefruit juice may interact with tadalafil and lead to unwanted side effects. Avoid the use of grapefruit products while taking this medicine.

Cialis side effects

Get emergency medical help if you have signs of an allergic reaction to Cialis: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Stop and get medical help at once if you have nausea, chest pain, or dizziness during sex. You could be having a life-threatening side effect.

Stop using this medicine and call your doctor at once if you have:

• a light-headed feeling, like you might pass out;
• an erection is painful or lasts longer than 4 hours (prolonged erection can damage the penis);
• vision changes or sudden vision loss;
• ringing in your ears or sudden hearing loss; or
• heart attack symptoms – chest pain or pressure, pain spreading to your jaw or shoulder, nausea, sweating.