Levitra (vardenafil HCl) is a PDE inhibitor drug. Levitra helps men achieve and
maintain erection by increasing blood flow to the penis. Be
aware of the possibility of serious drug interactions with
Levitra, and its effects on blood pressure.
Levitra helps improve erection during sexual
arousal and activity but erection should end after sexual
activity is complete. An erection lasting more than 4 hours
may be dangerous and damage the penis. Seek medical
attention if you experience this side effect.
Levitra does not prevent pregnancy and does not offer
protection against sexually transmitted diseases.
Levitra is only
suitable in cases where sexual activity is deemed safe by a
Levitra 20 mg, manufactured by Bayer, comes in multiples of 4 tablets.
If you experience any unusual symptoms while taking Levitra,
report them to your doctor.
Common Levitra Side Effects: Altered vision (blue tint or
haze), bloating, burping, congested sinuses, dizziness,
flu-like symptoms, flushing, headache, heartburn,
indigestion, upset stomach.
Less Common Levitra Side Effects: blurred vision, diarrhea,
difficulty breathing or swallowing, faintness, hives,
hoarseness, impaired night vision, inability to distinguish
between blue and green, priapism, rash, swelling. Some side
effects indicate the need for emergency medical attention.
Call emergency services immediately if side effects are
severe. Do not take any medication in conjunction with
Levitra that has not been approved by your doctor.
Cautions: Like many medications, Levitra is not a
suitable treatment for all individuals. If you have a
history of any of the following conditions, please bring
them up with your doctor to ensure that your
treatment will be as safe and effective as possible.
- Abnormal Penis: Do not use Levitra if you have
peyronies disease (deformed penis)
- Allergy: Any past allergic reaction to Levitra or
varndenafil would be a contraindication for treatment. If
you have an allergic reaction during treatment, contact your
doctor and stop taking Levitra. Be sure to mention any
allergies to foods and dyes when consulting with your
- Blood Disorders: Tell your doctor if you have
blood cell disorders such as leukemia, multiple myeloma, or
sickle cell anemia, or any bleeding disorders. Levitra may increase the risk of complications.
- Blood Pressure: If you have high or low blood
pressure, discuss the risks with your doctor before taking
Levitra. Levitra is known to lower blood pressure in
certain cases. Any disease or condition in which this would
be dangerous would indicate that a person should not take
it. Some combinations of medications can cause dangerously
low blood pressure.
- Cardiovascular Disease: If you have a
cardiovascular condition, and have been advised against
sexual activity by your doctor, Levitra is not a safe
treatment for you.
- Doctor Consultation: If you have not made your
doctor aware of your medical history and
given them a full list of any medications you presently
take, Levitra may not be safe for you.
- Eye Disease: If you have eye disease such as
retinitis pigmentosa, notify your doctor before taking
- Heart Problems: Notify your doctor of any heart
problems. Levitra may not be suitable, or even dangerous, for you.
- Kidney Disease: Levitra may not be safe for individuals
with kidney problems. Discuss kidney problems with your
- Liver Disease: Discuss liver problems with your
doctor before taking Levitra.
- Long QT Syndrome: If your or members of your
family have had a heart condition known as prolongation of
the QT, notify your doctor. Levitra may be unsafe for you.
- Priapism: Individuals with a past history of this
condition, defined by erections persisting for longer than
six hours, should not use Levitra. Levitra could
trigger an attack in susceptible individuals. If you should
experience an erection that lasts longer than four hours,
seek prompt medical attention, as irreversible damage to the
erectile tissue could occur.
- Stomach Conditions: Heartburn, ulcer, or other
disorders of the stomach should be taken into special
consideration in your doctor's decision to prescribe
- Stroke: If you have a history of stroke, it may
be dangerous to take Levitra. Discuss the risks with your
- Surgery: If you are planning surgery or a dental
procedure or if you have a medical emergency, notify all of
your doctors that you are taking Levitra.
Levitra may cause dangerous side effects if mixed with
certain prescription or herbal preparations. As some of these
interactions could be life threatening, be sure to give your
doctor a full list of all products taken. If you are
using Levitra, consult with a doctor before using a
new prescription or herbal treatment for any reason.
- Zafirlukast - May have interaction with
- Alpha Blockers - These high blood pressure treatments
may cause blood pressure to become dangerously low in
combination with Levitra. Do not combine with alpha blockers
such as doxazosin, tamsulosin, terazosin, prazosin, or alfuzosin.
- Antifungals - Notify your doctor if you take use
antifungals such as fluconazole,
or itraconazole. Dosage adjustment may be necessary.
- Sotalol - Tell your doctor if you take this
- Clarithromycin - Notify your doctor if you take
- Verapamil -
Notify your doctor, increased monitoring or dosage
adjustment may be required.
- Indinavir sulfate - May increase levels of
Levitra. Notify your doctor if you take this medication.
- Danazol - Tell your doctor if you take this
- Diltiazem - If you take diltiazem, notify your
doctor before taking Levitra.
- Erectile dysfunction medications - May be unsafe to
combine Levitra with other erectile dysfunction medications.
Follow your doctor's instructions.
- Erythromycin - Dosage adjustment may be required.
- Heart medications - Levitra is not safe with some heart
medications such as amiodarone, quinidine, procainamide and
- Nitrates like nitroglycerin or amyl nitrate may
dangerously lower blood pressure.
- Disopyramide - Consult your doctor before
combining with Levitra.
- Ritonavir - Levitra dosage may need to be
- Isoniazid - Notify your doctor if you take
this type of medication.
- Procainamide - Medications such as Procanbid and
Pronestyl may interact with Levitra.
- Quinidine - Notify your doctor if you take
- Delaviradine - Consult your doctor about
- Cyclosporine - Notify your doctor if you
take this medication.
- Selective serotonin reuptake inhibitors (SSRIs), like paroxetine,
should not be used in combination with Levitra.
- Nefazodone - Consult your doctor before
- Troleandomycin - May have interaction with
A starting dose of 10 mg is common in patients aged 18-65. Older
patients, patients with liver problems, other medical conditions, or
individuals taking certain drugs that may reduce Levitra's clearance
from the body, will likely be given a 5 mg dose.
Dosage is usually one tablet only when needed for a maximum of
once per day. Wait at least 24 hours before taking another dose. For
some patients the minimum time between doses may need to be
increased to more than 24 hours, sometimes 72 hours. Carefully
follow your doctor's instructions.
Levitra may be taken with or without food.
Levitra should be taken no more than once daily,
and should not generally be taken every day without
consulting with your doctor. For best results, Levitra is to
be taken about an hour before intercourse.
Store Levitra away from direct light and heat. Store in a
dry location; avoid storing it in the bathroom, near sinks,
or other areas where it may become damp. Do not use Levitra after
the expiration date.
Keep Levitra away from children; both when storing it, and when
discarding any unused medication.
Levitra is not for use in women. If a pregnant woman takes
Levitra, she should seek medical attention.
Levitra is not prescribed to individuals under the age of 18, and
has not been tested for safety in this group. Keep this and all
other medication, out of the reach of children.
Men over 65 may have increased side effects of the use of Levitra. Lower dosage is
This document is provided for information only. It is not a
substitute for consultation with a physician, either to diagnose
symptoms or prescribe treatment. Any dosages mentioned are general
guidelines only, please follow the directions of your doctor exactly when taking
Levitra. We have made every effort
to ensure that this information is accurate, but only your doctor
can say if Levitra, or drug combination, is safe for you. It
should not be construed to indicate that to order and use Levitra is
safe, appropriate, or effective for you. Consult your healthcare
professional before you order Levitra online.