Viagra (Sildenafil Citrate)

What is Viagra?

Viagra (sildenafil) relaxes muscles found at intervals the walls of blood vessels and can increase blood flow to express areas of the body.

Viagra is used to treat ED (impotence) in men. Another name of drug is Revatio, that’s utilized to treat internal organ vessel upset and improve exercise capability in men and ladies. This page contains specific data for virility drug, not Revatio.

Do not take virility drug if you are to boot using a nitrate drug for symptom or heart problems, likewise as Nitrospan, drug dinitrate, drug mononitrate, and many recreational medications like “poppers”. Taking drug with a nitrate medicine can cause a quick and serious decrease in pressure.

Contact your doctor or arouse emergency medical attention if your erection is painful or lasts longer than four hours. a chronic erection (priapism) can injury the organ.

Stop exploitation virility drug and acquire emergency medical facilitate if you have got got quick vision loss.

Before taking this medicine

You should not use Viagra if you are allergic to drug, or:

if you’re taking totally different medicines to treat internal organ vessel upset, like riociguat (Adempas).
if you’re taking nitrates.

Do not take virility drug if you are to boot using a nitrate drug for symptom or heart problems. This includes Nitrospan, drug dinitrate, and drug mononitrate. Nitrates area unit found in some recreational medication like dilator or cluster (“poppers”). Taking drug with a nitrate medicine can cause a quick and serious decrease in pressure.

To make sure Viagra is safe for you, tell your doctor if you have or ever had any of these:

heart disease or regular recurrence problems, artery disease;
an attack, stroke, or symptom heart failure;
high or low blood pressure;
liver or viscus disease;
a vegetative cell disorder like blood cell anemia, myeloma, or leukemia;
a hurt disorder like hemophilia;
an abdomen ulcer;
retinitis pigmentosa (a genetic condition of the eye);
a physical deformity of the organ (such as Peyronie’s disease);

Viagra can decrease blood flow to the cranial nerve of the eye, inflicting quick vision loss. This has occurred throughout a small vary of people taking drug, most of whom to boot had cardiovascular disease, diabetes, high, high cholesterol, or sure pre-existing eye problems, and in those who smoked or were over fifty years previous. it isn’t clear whether or not or not drug is that the particular reason for vision loss.

Viagra is not expected to wreck associate unborn baby. Tell your doctor if you are pregnant or commit to become pregnant.

Do not give this medicine to anyone to a lower place eighteen years previous whereas not medical recommendation.

How to take Viagra?

Take Viagra specifically as prescribed for you. Follow all directions on your prescription label. Do not take this medicine in larger or smaller amounts or for extended than endorsed.

Viagra is usually taken as long as needed, time unit to at least one hour before gender. you will take it up to four hours before gender. do not take virility drug over once per day.

Viagra can assist you have got associate erection once sexual stimulation happens. associate erection will not occur just by taking a pill. Follow your doctor’s directions.

During sexual encounter, if you become dizzy or sick, or have pain, numbness, or tingling in your chest, arms, neck, or jaw, stop and call your doctor promptly. you will be having a big facet results of drug.

Store at temperature off from status and heat.

What happens if I miss a dose?

Since Viagra is used only when needed, you are unlikely to miss a dose.

What need to I avoid whereas taking Viagra?

Drinking alcohol with this medicine can cause facet effects.

Grapefruit and beverage may act with drug and end in unwanted facet effects. Avoid the use of grapefruit merchandise whereas taking drug.

Avoid exploitation the opposite medicines to treat impotence, like alprostadil or yohimbine, whereas not initial speech your doctor.

Viagra Negative effects

Get emergency medical facilitate if you have got got signs of associate aversion to Viagra: hives; downside breathing; swelling of your face, lips, tongue, or throat.

Stop taking virility drug and acquire emergency medical facilitate if you have:

chest pain or pressure,
pain spreading to your jaw or shoulder,
nausea,
sweating;
vision changes or quick vision loss; or
prolonged erection – it can injure the penis
Call your doctor directly if you have:
ringing in your ears, or quick hearing loss;
irregular heartbeat;
swelling in your hands, ankles, or feet;
shortness of breath;
seizure (convulsions); or
a light-headed feeling

Viagra Negative Effects may include the following:

flushing (warmth, redness, or tingly feeling);
headache, dizziness;
blurred vision, changes in color vision
runny or stuffy nose, nosebleeds;
sleep problems (insomnia);
muscle pain, back pain; or
upset abdomen.

DOSAGE AND ADMINISTRATION

Dosage data

For most patients, the counseled dose is fifty mg taken, as needed, about one hour before gender. However, sildenafil could also be taken anyplace from half-hour to four hours before gender. It is recommended mostly to have it once a day.

Based on effectiveness and toleration, the dose could also be augmented to a most counseled dose of one hundred mg or shriveled to twenty-five mg.

Use with Food

VIAGRA could also be smitten or while not on food.

Dosage changes In Specific things

VIAGRA was shown to raise the hypotensive effects of nitrates and its administration in patients United Nations agency use gas donors like organic nitrates or organic nitrites in any kind is so contraindicated.

When sildenafil is co-administered with Associate in Nursing alpha-blocker, patients ought to be stable on alpha-blocker medical care before initiating sildenafil treatment and sildenafil ought to be initiated at 25mg.

Dosage changes because of Drug Interactions

Ritonavir

The counseled dose for ritonavir-treated patients is twenty-five mg before gender and therefore the counseled most dose is twenty-five mg inside a forty-eight-hour amount as a result of concomitant administration augmented the blood levels of anti-impotence drug by 11-fold

CYP3A4 Inhibitors

Consider a beginning dose of twenty-five mg in patients treated with robust CYP3A4 inhibitors (e.g., ketoconazole, Sporanox, or saquinavir) or Ilosone. Clinical knowledge has shown that co-administration with PI or Ilosone augmented plasma levels of anti-impotence drug by regarding three-fold.

Dosage changes In Special Populations

Consider a beginning dose of twenty-five mg in patients > sixty-five years, patients with viscus impairment (e.g., cirrhosis), and patients with severe urinary organ impairment (creatinine clearance < thirty mL/minute) as a result of administration of sildenafil in these patients resulted in higher plasma levels of anti-impotence drug Dosage data

Based on effectiveness and toleration, the dose could also be augmented to a most counseled dose of one hundred mg or shriveled to twenty-five mg.

PATIENT info

VIAGRA®

(vi-AG-rah)

(sildenafil citrate) Tablets

What is the foremost vital info I ought to understand VIAGRA?

VIAGRA will cause your pressure level to drop suddenly to associate degree unsafe level if it’s gaga sure different medicines. don’t take Viagra if you are taking the other medicines referred to as “nitrates.” Nitrates square measure accustomed treat hurting (angina). A fulminant call pressure level will cause you to feel dizzy, faint, or have an attack or stroke.

Do not take Viagra if you are taking medicines referred to as guanylate cyclase stimulators that include:

Riociguat (Adempas®) a medication that treats respiratory organ blood vessel high blood pressure and chronicthromboembolic respiratory organ high blood pressure.

Tell all of your health care suppliers that you simply take Viagra. If you wish emergency treatment for a heart downside, it’ll be vital for your health care supplier to understand after you last took Viagra.

Stop sexual activity and find medical facilitate quickly if you get symptoms like hurting, dizziness, or nausea throughout sex.

Sexual activity will place an additional strain on your heart, particularly if your heart is already weak from an attack or heart condition. raise your doctor if your heart is healthy enough to handle the additional strain of getting sex.

VIAGRA doesn’t defend you or your partner from obtaining sexually transmitted diseases, as well as HIV—the virus that causes AIDS.

What ought to I tell my health care supplier before taking VIAGRA?

Before you are taking Viagra, tell your health care supplier if you:

have or have had heart issues like a attack, irregular heartbeat, angina, chest pain, narrowing of the semilunar valve or heart disease
have had operation at intervals the last half-dozen months
have respiratory organ high blood pressure
have had a stroke
have low pressure level, or high-pressure level that’s not controlled
have a misshapen erectile organ form
have had associate degree erection that lasted for over four hours
have issues together with your blood cells like red blood cell anemia, myeloma, or leukaemia
have rubor pigmentosa, a rare genetic (runs in families) disease
have ever had severe vision loss, as well as an eye fixed downside referred to as non-arteritic anterior anaemia optic pathology (NAION)
have harm issues
have or have had abdomen ulcers
have liver issues
have excretory organ issues or square measure having excretory organ chemical analysis
have the other medical conditions

Tell your health care supplier regarding all the medicines you take*, as well as prescription and over-the-counter medicines, vitamins, and flavored supplements.

VIAGRA might have an effect on the manner different medicines work, and different medicines might have an effect on the manner Viagra works inflicting aspect effects. Particularly tell your health care supplier if you are taking any of the following:

medicines referred to as nitrates
medicines referred to as guanylate cyclase stimulators, like riociguat (Adempas)
medicines referred to as alpha blockers like antihypertensive drug (terazosin HCl), Flomax (tamsulosin HCl), Cardura (doxazosin mesylate), antihypertensive (prazosin HCl), Uroxatral (alfuzosin HCl), Jalyn (dutasteride and tamsulosin HCl), or Rapaflo (silodosin). Alpha-blockers square measure generally prescribed for prostate issues or high pressure level. In some patients, the employment of Viagra with alpha-blockers will result in a call pressure level or to fainting.
medicines referred to as HIV proteinase inhibitors, like PI (Norvir), PI sulphate (Crixivan), protease inhibitor (Fortovase or Invirase) or atazanavir sulphate (Reyataz)
some varieties of oral antifungal medicines, like ketoconazole (Nizoral), and antifungal agent (Sporanox)
some varieties of antibiotics, like clarithromycin (Biaxin), telithromycin (Ketek), or antibiotic drug
other medicines that treat high pressure level
other medicines or treatments for impotency

VIAGRA contains virility drug, that is that the same medication found in another drug referred to as REVATIO. REVATIO is employed to treat a rare illness referred to as respiratory organ blood vessel high blood pressure (PAH). Viagra mustn’t be used with REVATIO or with different PAH treatments containing virility drug or the other PDE5 inhibitors (such as Adcirca [tadalafil]).

Ask your health care supplier or druggist for an inventory of those medicines, if you’re undecided.

Know the medicines you are taking. Keep an inventory of them to point out to your health care supplier and druggist after you get a replacement medication.