Product Description
The main component of Viagra is Sildenafil Citrate.
Sildenafil Citrate affects the response to sexual stimulation. It acts by enhancing smooth muscle relaxation using nitric oxide, a chemical that is normally released in response to sexual stimulation. This smooth muscle relaxation allows increased blood flow into certain areas of the penis, which leads to an erection.
Sildenafil Citrate is applied for the treatment of erectile dysfunction (impotence) in men and pulmonary arterial hypertension.
Sildenafil Citrate may also be used for other purposes not listed above.
Dosage and direction
Usually the recommended dose is 50 mg. It is taken approximately 0,5-1 hour before sexual activity. Do not take Viagra more then once a day.
A high fat meal may delay the time of the effect of this drug.
Try not to eat grapefruit or drink grapefruit juice while you are being treated with Sildenafil Citrate .
Precautions
Before you start taking Sildenafil Citrate , tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies.
Aged people may be more sensitive to the side effects of the drug.
Contraindications
Viagra is contraindicated in patients taking another medicine to treat impotence or using a nitrate drug for chest pain or heart problems.
This medicine should not be taken by women and children as well as in patients with a known hypersensitivity to any component of the tablet.
Possible side effect
The most common side effects are headache, flushing, heartburn, stomach upset, nasal stuffiness, lightheadedness, dizziness or diarrhea.
A serious allergic reaction to this drug is very rare, but seek immediate medical help if it occurs.
Many people using this medicine do not have serious side effects.
In case you notice any side effects not listed above, contact your doctor or pharmacist.
Drug interaction
This drug should not be used with nitrates and recreational drugs called "poppers" containing amyl or butyl nitrite; alpha-blocker medications; other medications for impotence; high blood pressure medicines, etc.
Consult your doctor or pharmacist for more details.
Missed dose
Viagra is used as needed, so you are unlikely to be on a dosing schedule.
Overdose
If you think you have used too much of this medicine seek emergency medical attention right away. The symptoms of overdose usually include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.
Storage
Store your medicines at room temperature between 68-77 degrees F (20-25 degrees C) away from light and moisture. Do not store the drugs in the bathroom. Keep all drugs away from reach of children and pets.
Viagra is a well-known male
enhancement drug that enables men suffering from erectile dysfunction to
perform better. On the marketplace for more than a decade, the tiny
pill has proven effective for millions of men around the world, and when
taken according to directions, it is a safe, effective oral treatment
for varying degrees of male performance difficulties. However, as with
any drug or medication, health risks do occur.
Health Risks of Viagra
Mild Side Effects
Use
of Viagra can cause side effects in certain individuals. These may
include headaches, upset stomach or nausea and flushing, much like that
experienced by someone who is blushing with embarrassment. In some men,
complaints of blurred vision or vision that is tinged with a blue haze
is noted. Men often complain of an inability to distinguish between
green and blue colors, and some have noted some vision loss while taking
the drug. Other mild side effects include urinary tract infections,
diarrhea and sometimes a runny or stuffy nose.
Long-Term Erection
Complaints
of long-term erections have been noted with use of Viagra. Any erection
that lasts longer than 4 hours may prove detrimental to genital health
and to the penis itself, and it should be addressed by a physician or an
emergency room visit.
General Contraindications
Avoid
use of Viagra if you have been diagnosed with heart conditions,
including heart pain, that require a prescription containing nitrates,
because Viagra may increase the chances of a decrease in blood pressure.
Individuals who are older than 65 should be offered lowered doses, as
should those diagnosed with any serious kidney or liver problems to
avoid long-term damage to these organs. Individuals taking PDE5
inhibitors--commonly prescribed for those diagnosed with erectile
dysfunction--have complained of some hearing loss, but such conditions
are rare. Nevertheless, any unusual symptom or complaint should be
discussed with your doctor.
Strokes
A
major health risk of Viagra is sudden cardiac events, especially if an
individual has experienced irregular heart rhythm or has suffered a
heart attack or stroke in the 6 months prior to use of Viagra. Some
individuals with angina (chest pain) or with either high or low blood
pressure or eye disorders have suffered from hypertension, heart attack
and some death following use of Viagra. Discuss such risks with your
doctor if you have any suspected or diagnosed heart conditions.
Sexually Transmitted Disease
The
official journal of the International AIDS Society states that bisexual
or gay men may experience an increased risk of HIV or other sexually
transmitted diseases through use of Viagra, defining abuse of the
substance and risky sexual behaviors combined.
Long-Term Risks
Individuals
who engage in long-term use of Viagra may face long-term risks and side
effects, which according to the Ottawa Health Research Institute may
include difficulty breathing, vision problems, headaches and flushing.
Research and studies of the effects of long-term use of Viagra are still
under way, results of which may not be known for years.
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