Sildenafil Citrate Tablets (Generic Viagra)
Common Uses Sildenafil Citrate (generic Viagra) is the first oral drug
for male
impotence. It works by dilating blood vessels in the penis, allowing the inflow
of blood needed for an erection.
Before
using If you have heart problems severe enough to make sexual
activity a danger, you should avoid using Sildenafil Citrate (generic Viagra).
Use it
cautiously, if at all. If you've had a heart attack, stroke, or
life-threatening heart irregularities within the past 6 months. Be equally
cautious if you have severe high or low blood pressure, heart failure, or
unstable angina (crushing heart pain that occurs at any time).
If you take Sildenafil Citrate (generic Viagra) and develop cardiac symptoms
(for example,
dizziness, nausea, and chest pain) during sexual activity, do not continue.
Alert your doctor of the problem as soon as possible.
If you have a condition that might result in long-lasting erections, such as
sickle cell anemia, multiple myeloma (a disease of the bone marrow), or
leukemia, use Sildenafil Citrate (generic Viagra) with caution. Also use
cautiously if you have
a genital problem or deformity such as Peyronie''s disease. If an erection
lasts more than 4 hours, seek treatment immediately. Permanent damage and
impotence could result.
If you have a bleeding disorder, a stomach ulcer, or the inherited eye
condition known as retinitis pigmentosa, use this medication with caution. Its
safety under these circumstances have not yet been studied.
Remember that Sildenafil Citrate (generic Viagra) offers no protection against
sexually
transmitted diseases, such as HIV, the virus that causes AIDS.
This drug is not to be used by women. Its effects during pregnancy have not
been studied.
Directions Taking Sildenafil Citrate (generic Viagra) approximately 1
hour before
sexual activity works best for most men. Depending on how and when the drug
works for you, an interval of one-half hour to as much as 4 hours may prove
ideal.
If you miss a dose... Sildenafil Citrate (generic Viagra) is not for
regular
use. Take it only
before sexual activity.
Storage instructions... Store at room temperature.
Do not take Sildenafil Citrate (generic Viagra) if you are taking any
nitrate-based drug,
including nitroglycerin patches (Nitro-Dur, Transderm-Nitro), nitroglycerin
ointment (Nitro-Bid, Nitrol), nitroglycerin pills (Nitro-Bid, Nitrostat), and
isosorbide pills (Dilatrate-SR, Isordil, Sorbitrate). Combining Sildenafil
Citrate with these drugs can cause a severe drop in blood pressure. If
Sildenafil Citrate (generic Viagra) gives you an allergic reaction, do not use
it again.
Cautions DO
NOT EXCEED THE RECOMMENDED DOSE without checking with your doctor. DO NOT
TAKE THIS MEDICINE MORE THAN once a day. DO NOT TAKE THIS MEDICINE IF YOU
TAKE OR USE NITROGLYCERIN, including nitroglycerin tablets, patches, or
ointment, OR OTHER NITRATES, such as isosorbide. If you are not sure
whether a certain medicine is a nitrate, contact your doctor or
pharmacist. USE OF THIS MEDICINE WILL NOT PREVENT the spread of sexually
transmitted diseases (STDs), including human immunodeficiency virus (HIV).
BEFORE YOU BEGIN TAKING ANY NEW MEDICINE, either prescription or
over-the-counter, check with your doctor or pharmacist.
Possible side
effects More common side effects may include:
Abnormal vision (color tinge, blurring, sensitivity to light),acid indigestion,
diarrhea, flushing, headache, nasal congestion, urinary tract infection.
Less common to rare side effects may include:
Abdominal pain,abnormal dreams, abnormal ejaculation, allergic reactions,
anxiety, asthma, bloodshot eyes, bone pain, breast enlargement, cataracts,
chest pain, chills,coordination problems, cough,depression, difficulty
breathing, difficulty swallowing, dilated pupils, dizziness, drowsiness, dry
eyes, dry mouth, emotional or mental disturbances, eye inflammation or pain,
other eye disorders, fainting,falling, genital problems, gout, gum
inflammation, heart problems, increased night-time urination, increased
pressure in the eyes, insomnia, itchy skin, joint disease, light sensitivity,
loss of bladder control (urinary incontinence), low blood pressure, migraine
headache, muscle ache, numbness, oral inflammation, pain, painful erection,
prolonged erection, raised skin patches, rapid or throbbing heartbeat, rectal
bleeding, respiratory inflammation, ringing in the ears, seizure, sinus and
throat inflammation, skin rash, skin ulcer, slow reflexes, stomach or
intestinal inflammation, sweating, swelling, thirst, tremor, vomiting,
weakness, heart attack, stroke, heart irregularities, dangerous surges in blood
pressure, and sudden death have all been reported after use of Sildenafil
Citrate, usually in men with existing cardiac risk factors, and typically
during or shortly after sex.
Food and Drug
interaction If Sildenafil Citrate (generic Viagra) is taken with
certain other drugs,
the effects of either could be increased, decreased, or altered. It is
especially important to check with your doctor before combining Sildenafil
Citrate with the following: Other impotence remedies including Caverject and
Muse Amlodipine (Norvasc) Cimetidine (Tagamet) Erythromycin (E-Mycin, Ery-Tab,
PCE) Itraconazole (Sporanox) Ketoconazole (Nizoral) Nitrates such as Isordil,
Nitro-Bid, and Nitro-Dur Rifampin (Rifadin, Rimactane) Ritonavir (Norvir)
Saquinavir (Fortovase, Invirase).
Dosage Doses range from 25 milligrams to 100 milligrams, depending on
the drug''s effect. The usual dose is 50 milligrams. If you are over 65, have
liver or kidney problems, or are taking erythromycin, ketoconazole,
itraconazole, ritonavir, or saquinavir a dose of 25 milligrams may be
sufficient. Your doctor will adjust the dosage if the drug is not working
properly for you.
Take Sildenafil Citrate (generic Viagra) only before sexual activity. The
manufacturer
recommends a maximum of 1 dose per day (1 dose every 2 days for those taking
ritonavir).
Overdose, if you take too
much No overdose of Sildenafil Citrate (generic Viagra) has been
reported. However,
any medication taken in excess can have serious consequences. If you suspect an
overdose, seek medical attention immediately.
Additional
information If your symptoms do not improve or if they become
worse, check with your doctor. DO NOT SHARE THIS MEDICINE with others for
whom it was not prescribed. DO NOT USE THIS MEDICINE for other health
conditions. KEEP THIS PRODUCT out of the reach of children. IF USING THIS
MEDICINE FOR AN EXTENDED PERIOD OF TIME, obtain refills before your supply
runs out.
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