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In patients who take nitrates for angina, tadalafil could cause heart pain or possibly even a heart attack by exaggerating the increase in heart rate and the lowering of blood pressure. Therefore, tadalafil should not be used with nitrates.

Tadalafil also exaggerates the blood pressure lowering effects of some alpha-blocking drugs for example, terazosin (Hytrin) that primarily are used for treating high blood pressure or enlargement of the prostate (BPH).

Individuals who take these alpha-blockers should be on a stable dose of the alpha-blocker before tadalafil is started. In such situations, tadalafil should be started at the lowest dose.

If the patient is already taking tadalafil, the alpha-blocker should be started at the lowest dose.

Combining tadalafil with alpha-blockers for treatment of BPH is not recommended.

Therefore, combining tadalafil with alcohol may cause excessive drops in blood pressure and cause dizziness, headaches, and increased heart rate.

PDE5 inhibitors may affect platelet function and therefore prolong bleeding.

Tadalafil should be used cautiously in patients with bleeding disorders or active ulcers.

Tadalafil should not be combined with Adcirca (another form of tadalafil) or other PDE5 inhibitors, for example, vardenafil (Levitra) or sildenafil (Viagra, Revatio).

The breakdown and elimination of vardenafil from the body is inhibited by erythromycin, clarithromycin (Biaxin), ketoconazole (Nizoral), itraconazole (Sporanox), indinavir (Crixivan), ritonavir (Norvir), atazanavir (Reyataz), grapefruit juice.

Therefore, these drugs increase the concentration of vardenafil in the blood and should not be combined with vardenafil.

Vardenafil reduces the concentration of ritonavir and indinavir and may reduce the effect these drugs.

Vardenafil increases heart rate and also exaggerates blood pressure lowering effects of nitrates (for example, nitroglycerine). In patients with chest pain (angina), particularly those who take nitrates,, vardenafil can cause chest pain by increasing heart rate and lowering blood pressure. Therefore, patients with angina should not use vardenafil.

Vardenafil also exaggerates the blood pressure lowering effects of alpha-blocking drugs, for example, terazosin (Hytrin), and should not be used generic viagra hims by individuals who also use alpha-blockers.

Vardenafil also adds to the blood pressure reducing effect of other medications. Are tadalafil and vardenafil safe to use while pregnant or breastfeeding?

Tadalafil is not approved for women and has not been evaluated in women who are breastfeeding.

Vardenafil has not been evaluated in women who are breastfeeding.

Cialis (tadalafil) and Levitra (vardenafil) are phosphodiesterase-5 (PDE5) inhibitor used to treat impotence (the inability to attain or maintain a penile erection). Tadalafil is also used to treat symptoms of benign prostatic hyperplasia (BPH).

Learn about erectile dysfunction causes and treatments such as drugs. Erectile Dysfunction (Impotence) Quiz: Causes & Treatment.

Did you know that certain medical condition may be responsible for ED?

Some causes of impotence are medically treatable and. Erectile Dysfunction (ED, Impotence) Erectile dysfunction (ED, impotence) is the failure to achieve or maintain an erection.

There are many potential underlying causes of erectile dysfunction, including stress and emotional problems, brain dysfunction, problems with blood supply to the penis, and structural problems with the penis.

Erectile dysfunction is diagnosed by taking the patient's history and physical exam.

Blood tests measuring kidney function and blood sugar, cholesterol, hormone, and prostate-specific antigen (PSA) levels may be ordered.

Urinalysis, ultrasound, and other more sophisticated tests may be required.

The treatment of erectile dysfunction depends on the underlying cause.

Medications, penile injections, penile implants, and vacuum devices may be used. Treatment for erectile dysfunction is usually successful.

The patient should manage heart disease risk factors (high blood pressure, high cholesterol, diabetes) as they are related to erectile dysfunction risk.

Impotence Erectile Dysfunction FAQs 8 Natural Remedies for Erectile Dysfunction (ED) Erectile Dysfunction Drugs: Drug Interactions Erection Protection: Is Erectile Dysfunction (ED) Prevention Possible?

Effective Erectile Dysfunction Treatments: What to Do After an Impotence Diagnosis What Causes Erectile Dysfunction (Impotence)? Viagra (sildenafil) tadalafil (erectile dysfunction) - oral, Cialis vardenafil - oral, Levitra tadalafil, Cialis, Adcirca vardenafil (Levitra, Staxyn ODT) Cialis Levitra. High Blood Pressure: When Is It Erectile Dysfunction?

Erectile Dysfunction: A Womans Point of View Erectile Dysfunction (ED) Quiz Erectile Dysfunction Related Depression Erectile: The Race to Erection - Levitra vs Viagra Cialis For Erectile Dysfunction. Subscribe to MedicineNet's General Health Newsletter.

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Levitra® is a type of medication known as a PDE5 inhibitor that is used to treat erectile dysfunction.

It comes in several different doses and is taken as-needed.

Disclaimer: The information provided on this page is not a substitute for professional medical advice, diagnosis, or treatment. If you have viagra pills generic brand any questions or concerns about your health, please talk to a doctor. Levitra® functions similarly to Viagra®, however it comes in different doses, has an increased risk of a change seen on EKG known as QT prolongation (which can lead to irregular heartbeats, which can be dangerous), and has a

decreased

For erectile dysfunction, Levitra® should be taken without food at least 30-60 minutes before sex and its effects last up to 8 hours. Serious side effects include an erection lasting more than 4 hours, sudden vision loss in one or both eyes, and sudden hearing decrease or loss.

If these occur, seek medical attention immediately. Talk to your doctor about your medical conditions and your medications before taking Levitra®. Do not take Levitra® if you are allergic to its ingredients or if you are already taking nitrates (such as nitroglycerin), street drugs called “poppers” (such as amyl nitrate, amyl nitrite, butyl nitrate), or guanylate cyclase stimulators (such as riociguat).

Levitra® is a drug that is used to treat erectile dysfunction (ED).

It comes in four doses, 2.5 mg, 5 mg, 10 mg and 20 mg.

The 10 mg dose is the most common starting dose, although some people may benefit from higher or lower doses.

Levitra® is part of a “family” of medicines used to treat ED called phosphodiesterase-5 inhibitors (PDE5i).

Other drugs in this family include Cialis (tadalafil), Viagra (sildenafil), and Stendra (avanafil). All of these drugs have the same mechanism of action, but there are subtle differences that may cause your doctor to recommend one drug out of the others based on your preferences and treatment goals.

Levitra® is a short acting drug with an average half-life of 4–5 hours, which means that half the medicine is gone from the body after 4–5 hours in healthy people.

The time that it takes to eliminate Levitra® may be prolonged in older people and people with liver or kidney disease meaning the drug may work longer in these people. Levitra® functions very similarly to Viagra® with a few key differences.

Levitra® comes in doses of 2.5 mg, 5 mg, 10 mg and 20 mg, while Viagra® comes in 25 mg, 50 mg, and 100 mg doses. The most common starting dose for Viagra® is 50 mg, and the most common dose for Levitra® is 10 mg. The use of Levitra® increases the likelihood of QT prolongation (a change seen on an EKG), which can sometimes be followed by irregular heartbeats.

In rare cases, QT prolongation can cause dangerous abnormal heart rhythms that can even be fatal. Also, Levitra® does not cause the bluish visual tint sometimes caused by Viagra®. This is because unlike Viagra®, Levitra® does not inhibit cheap generic viagra PDE6, which is found in the retina and can cause visual color changes when blocked or inhibited. It’s also important to note that side effects are

very

Some people think that higher is always better when it comes to ED medication and may even take more than the highest FDA-approved dose of Levitra®, which is 20 mg. Levitra® has been studied in doses higher than 20 mg, including 40 mg twice daily.

The reason the maximum FDA-approved dose of Levitra® is 20 mg is because above that dosage there is very little increase in benefit with a much higher risk of side effects. Even within the FDA-approved doses, there is only an additional response in about 5% of men when going from 10 mg to 20 mg. The most important things to do to maximize effectiveness of Levitra® is to take it properly, as prescribed. This means it should not be taken with a high fat meal.

Taking Levitra® with a high fat meal delays absorption by about 1 hour and also decreases the maximum blood level. This effect of delayed absorption was not shown with a meal that was lower in fat. It’s also important to take Levitra® at the correct time. It should be taken 30–60 minutes before sexual activity. The effects of Levitra typically last for a maximum of about 8 hours, although its strongest effects are within the first 4 hours. It is also recommended to not mix Levitra® with alcohol.

Levitra® should not be taken more than once every 24 hours, and you should never mix Levitra® with other ED medications.

Taking Levitra® with a high fat meal delays absorption by about 1 hour and also decreases the maximum blood level.

It should be taken 30–60 minutes before sexual activity.

The effects of Levitra typically last for a maximum of about 8 hours, although its strongest effects are within the first 4 hours.

It is also recommended to not mix Levitra® with alcohol.

The most common side effects of Levitra® include headaches, facial flushing, stuffy nose, and upset stomach. Serious side effects that are rare include an erection that will not resolve even after 3–4 hours (priapism), hearing loss, which can be sudden, and vision loss in one or both eyes. For more information about side effects, see Levitra® side effects below. What Should You Know Before Taking Levitra® Who should not take Levitra®?

Do not take Levitra® if you: take medicines called nitrates (such as nitroglycerin) use street drugs called “poppers” such as amyl nitrate or amyl nitrite, and butyl nitrate take any medicines called guanylate cyclase stimulators such as riociguat (Adempas) are allergic to vardenafil, as contained in Levitra®, or any of the ingredients in Levitra®.

See the end of this leaflet for a complete list of ingredients in Levitra®. What should I tell my healthcare provider before taking Levitra®? To make sure Levitra® is safe for you, tell your healthcare provider if you have any of the

following

Have low blood pressure, or high blood pressure that is not controlled Have a deformed penis shape Have had an erection that lasted for more than 4 hours Have problems with your blood cells such as sickle cell anemia, multiple myeloma, or leukemia Have retinitis pigmentosa, a rare genetic (runs in families) eye disease Have ever had severe vision loss, including an eye problem called NAION Have bleeding problems Have or have had stomach or intestinal ulcers Have liver problems Have kidney problems or are having kidney dialysis Have any other medical conditions.