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Levitra
Drug Information
Directions
Levitra is taken orally when needed 30 – 60
minutes before sexual activity.
Patient information
Levitra should be taken only as directed, usually
once daily as needed. Levitra works along with sexual
stimulation to help achieve an erection. The most
common side effects include headache, flushing,
upset stomach, stuffy nose, urinary tract infection,
visual changes such as mild and temporary changes
in blue/green colors or increased sensitivity to
light and diarrhea. If these effects persist or
worsen, notify your doctor promptly.
Precautions
It is important that the doctor has your complete
medical history. Before taking Levitra, tell your
doctor about all your medical problems, including
if you have heart problems such as angina, heart
failure, irregular heartbeats, or have had a heart
attack; have low blood pressure or have high blood
pressure that is not controlled; have had a stroke
or any family members have a rare heart condition
known as prolongation of the QT interval (long QT
syndrome); have liver problems; have kidney problems
and require dialysis; have retinitis pigmentosa,
a rare genetic eye disease; have stomach ulcers;
have a bleeding problem; have a deformed penis shape
or Peyronie's disease; have had an erection that
lasted more than 4 hours; have blood cell problems
such as sickle cell anemia, multiple myeloma, or
leukemia.
Drug
interactions
Tell your doctor about all the medicines you take
including prescription and non-prescription medicines,
vitamins, and herbal supplements. Levitra and other
medicines may affect each other. Always check with
your doctor before starting or stopping any medicines.
Especially tell your doctor if you take medicines
called nitrates; medicines called alpha-blockers
- these include Hytrin® (terazosin HCl), Flomax®
(tamsulosin HCl), Cardura® (doxazosin mesylate),
Minipress® (prazosin HCl) or Uroxatral®
(alfuzosin HCl); medicines that treat abnormal heartbeat
- these include quinidine, procainamide, amiodarone
and sotalol; ritonavir (Norvir®) or indinavir
sulfate (Crixivan®); ketoconazole or itraconazole
(such as Nizoral® or Sporanox®); erythromycin
or other medicines or treatments for ED.
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