Tadalafil MedFacts

Tadalafil

Tadalafil is used for:

Treating erectile dysfunction (ED)

Tadalafil is a phosphodiesterase inhibitor. It works by helping to increase blood flow into the penis during sexual stimulation. This helps you to achieve and maintain an erection.

Do NOT use Tadalafil if:

• you are allergic to any of the ingredients contained in Tadalafil
• you have severe liver problems or certain hereditary degenerative eye problems (eg, retinitis pigmentosa)
• you have certain heart problems (eg, unstable angina, angina during sexual intercourse, severe heart failure, uncontrolled irregular heartbeat), low blood pressure, or uncontrolled high blood pressure
• you have had a heart attack within the past 90 days or a stroke within the past 6 months
• you are taking nitrates (eg, isosorbide, nitroglycerin) in any form (eg, tablet, capsule, patch, ointment) or nitroprusside
• you have been advised by your doctor to avoid sexual activity because of heart problems
• you use certain recreational drugs called "poppers" (eg, amyl nitrate, butyl nitrate)

Contact your health care provider as soon as possible if any of the above applies to you.

Consider before using Tadalafil

Medical Conditions

There are medical conditions that can influence usage of Tadalafil . Tell your doctor or pharmacist if any of the medical conditions below applies to you:

• if you are taking any medicine (either prescription or nonprescription), herbal preparation, or dietary supplement
• if you are allergic to medicines, foods, or other substances
• if you have a deformed penis (eg, Peyronie disease, cavernosal fibrosis), blood problems (eg, sickle cell anemia, leukemia, multiple myeloma), or any other condition that may increase the risk of a prolonged erection (priapism)
• if you have a history of certain eye problems (eg, retinitis pigmentosa, sudden vision loss, optic neuropathy, macular degeneration)
• if you have a history of liver or kidney problems, dialysis, high or low blood pressure, ulcers, bleeding problems, blood vessel problems, heart problems (eg, heart failure, irregular heartbeat, aortic stenosis, angina), or blood vessel problems
• if you have a history of heart attack, stroke, or life-threatening irregular heartbeat

Drugs Interaction

There are medicines that may interact with Tadalafil . Inform your health care provider if you are taking any other medicines, in particular any from the list below:

• Alpha-blockers (eg, doxazosin), medicines for high blood pressure, nitrates (eg, isosorbide, nitroglycerin), or nitroprusside because severe low blood pressure with dizziness, lightheadedness, and fainting may occur
• Azole antifungals (eg, itraconazole), HIV protease inhibitors (eg, ritonavir), macrolide antibiotics (eg, erythromycin), or telithromycin because they may increase the risk of Tadalafil 's side effects
• Rifampin because it may decrease Tadalafil 's effectiveness

This is not a full list of all interactions that may occur. Clarify with your health care provider whether Tadalafil may interact with other medicines you take. Also, consult your health care provider in advance if you are going to start, stop, or change the dose of any medicine.

Tadalafil Usage Guidelines

You should use Tadalafil as recommended by your doctor. Read the medicine's label for precise dosing instructions.

• An extra patient leaflet is available with Tadalafil . Talk to your pharmacist if you have questions about this information.
• Take Tadalafil by mouth with or without food.
• Tadalafil may be taken up to 36 hours before sexual activity, as directed by your doctor.
• Do not take Tadalafil more often than once daily, or as directed by your doctor.
• Check with your doctor before you eat grapefruit or drink grapefruit juice while you are taking Tadalafil .
• If you miss a dose of Tadalafil and you still intend to engage in sexual activity, take it as soon as you remember. Continue to take it as directed by your doctor.

Clarify with your health care provider any issues you may have about usage of Tadalafil .

Important safety information on tadalafil

• Tadalafil may cause dizziness, drowsiness, fainting, or blurred vision. There effects may be worsened when this medicine is taken with aclohol or other medicines. Use Tadalafil with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
• Tadalafil may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
• Do not drink large amounts of alcohol (eg, 5 drinks or more) while you take Tadalafil . Doing so may increase your risk of dizziness, headache, fast heartbeat, and low blood pressure.
• Patients with heart problems who take Tadalafil may be at increased risk for heart-related side effects, including heart attack or stroke. Symptoms of a heart attack may include chest, shoulder, neck, or jaw pain; numbness of an arm or leg; severe dizziness, headache, nausea, stomach pain, or vomiting; fainting; or vision changes. Symptoms of a stroke may include confusion; vision or speech changes; one-sided weakness; or fainting. Contact your doctor or seek medical attention right away if you experience these symptoms.
• Tadalafil may rarely cause a prolonged, painful erection. This could happen even when you are not having sex. If this is not treated right away, it could lead to permanent sexual problems such as impotence. Contact your doctor right away if this happens.
• Tadalafil may uncommonly cause mild, temporary vision changes (eg, blurred vision, sensitivity to light, blue/green color tint to vision) contact your doctor if vision changes persist or are severe.
• Do not use other medicines or treatments for erectile dysfunction while you are taking Tadalafil .
• Tadalafil does not stop the spread of HIV or other sexually transmitted diseases (STDs) to others through sexual contact. Use barrier methods of birth control (eg, condoms) if you have HIV infection or an STD.
• Tadalafil will not prevent pregnancy. If your partner may become pregnant and you wish to avoid pregnancy, be sure to use an effective form of birth control.
• Use Tadalafil with caution in OLDER PATIENTS, because they may be more sensitive to its effects.
• Tadalafil is not recommended for use in CHILDREN; safety and effectiveness in children have not been confirmed.
• PREGNANCY and BREAST-FEEDING: Tadalafil is not approved for use in women. If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Tadalafil while you are pregnant. It is not known if Tadalafil is found in breast milk. If you are breast-feeding or going to breast-feed, discuss with your doctor any possible risks to your baby.

Side effects may be caused by Tadalafil

All medicines may cause side effects, but many people have no, or minor, side effects. Consult your doctor if any of the most COMMON side effects from the list below persist or start bothering you:

Dizziness; flushing; headache; heartburn; mild back or muscle pain; stomach upset; stuffy or runny nose.

Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); chest pain; fainting; fast or irregular heartbeat; prolonged, painful erection; red, swollen, blistered, or peeling skin; ringing in the ears; severe or persistent back or muscle pain; severe or persistent dizziness; severe or persistent vision changes; sudden decrease or loss of vision in one or both eyes; sudden hearing loss.

It sholud be noted, that this is not a full list of possible side effects. If you have questions or need medical advice about side effects, contact your doctor or health care provider. You may report side effects to the FDA at 1-800-FDA-1088 (1-800-332-1088) or at http://www.fda.gov/medwatch.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org/findyour.htm), or emergency room immediately. Symptoms may include chest pain; fainting; prolonged erection; severe dizziness; severe or persistent back or muscle pain; severe or persistent vision changes.

Tadalafil storage instructions:

Store Tadalafil at 77 degrees F (25 degrees C). Brief storage at temperatures between 59 and 86 degrees F (15 and 30 degrees C) is permitted. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Tadalafil out of the reach of children and away from pets.

General information:

• If you have any questions about Tadalafil , please talk with your doctor, pharmacist, or other health care provider.
• Tadalafil is supposed to be used only by the patient it is prescribed to. Do not share it with other people.
• If your symptoms do not improve or even become worse, inform your doctor.

This article is a summary only, and it does not provide all the information about Tadalafil . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.