Levitra works by relaxing the muscles within the penis. By doing this, Levitra allows increased blood flow into the penis, which is necessary to achieve and maintain an erection.
Levitra Indications

Levitra is primarily used in treating erectile dysfunction or impotence. Levitra may also be used for purposes such as those not indicated here in this guide.
Levitra Warnings

Levitra may not be well-suited if you have the following conditions:
A heart attack, stroke, irregular heartbeats, angina or chest pain, or congestive heart failure
High or low blood pressure
A personal or family history of a rare heart condition known as prolongation of the QT interval known as long QT syndrome
Liver problems
Kidney problems
Blood problems, including Sickle cell anemia, multiple myeloma, or leukemia
A bleeding or blood clotting disorder
A stomach ulcer
A family history of degenerative eye disease
A physical deformity of the penis such as Peyronieisease

Levitra belongs to FDA pregnancy category B, which means that it is not known to cause any defects or harm to an unborn infant. However, do not take Levitra especially without your doctor’s permission when you are pregnant.

Levitra is not known to pass to breast milk and therefore to a nursing infant. Do not take Levitra if you are nursing a child without your doctor’s consent.
The adverse effects of Levitra are more pronounced in patients with advanced age, especially those with ages 65 and above. You may need lower doses of Levitra if you belong to the mentioned age group.
Levitra Intake Guidelines

Levitra should be used exactly as directed by your doctor. If there are matters that you do not understand, refer to your pharmacist, nurse or physician and ask him or her to explain those matters to you.

Oral forms of Levitra should be taken in with 8 ounces or one full glass of water. Levitra can be taken with or without food.

Levitra is usually taken about an hour before sexual activity.

Do not take Levitra with grapefruit or juice from this fruit. Interactions between Levitra and grapefruit can be dangerous.

Make sure to follow all of your doctor’s advise and instructions when taking Levitra.
Levitra Dosage

Dosage of Levitra should be obtained from your doctor. Dosage may vary from person to person with regards to a variety of factors such as age, severity of condition and others. Do not take in more or less of Levitra so as not to alter its effects and to prevent overdose.

What side effects may I notice from receiving Vardenafil?
Side effects that you should report to your prescriber or health care professional as soon as possible.
•back pain
•changes in hearing such as loss of hearing or ringing in ears
•changes in vision such as loss of vision, blurred vision, eyes being more sensitive to light, or trouble telling the difference between blue and green objects or objects having a blue color tinge to them
•chest pain or palpitations
•difficulty breathing, shortness of breath
•dizziness
•eyelid swelling
•muscle aches
•prolonged erection (lasting longer than 4 hours)
•skin rash, itching

Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
•flushing
•headache
•indigestion
•nausea
•stuffy nose

What should I watch for while taking Vardenafil?
If you notice any changes in your vision while taking this drug, notify your prescriber or health care professional as soon as possible. Stop using vardenafil right away if you have a loss of sight in one or both eyes. Contact your healthcare provider immediately.

Contact your physician immediately if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of priapism and must be treated immediately to prevent permanent damage.

If you experience symptoms of nausea, dizziness, chest pain or arm pain upon initiation of sexual activity after vardenafil use, you should refrain from further activity and should discuss the episode with your prescriber or health care professional as soon as possible.

Do not change the dose of your medication. Please call your prescriber or health care professional to determine if your dose needs to be reevaluated.

Using vardenafil does not protect you or your partner against HIV infection (the virus that causes AIDS) or other sexually transmitted diseases.

Where can I keep my medicine?
Keep out of the reach of children in a container that small children cannot open.

Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.