What is Viagra (Sildenafil)?

Viagra

Sildenafil it the brand name for generic Viagra, it is a prescription medication used in the treatment of erectile dysfunction. Viagra for women? Revatio is another brand of sildenafil, used in improving the exercise ability in women and men and treating pulmonary arterial hypertension.

How does Viagra work?

Sildenafil the main ingredient in Viagra belongs to drug class known as phosphodiesterase inhibitors. It works by increasing the flow of blood into the penis during sexual activities; this hereby leads to an erection. It was initially used for treating cardiovascular disease and hypertension, until studies proved it causes erection.

It is advisable not to take Viagra if you are already taking nitrate medicines like isosorbidedinitrate, nitroglycerin and isosorbide mononitrate for heart problems. A combination of these drugs can result in very serious reduction in blood pressure, making you faint or become dizzy, and may possibly cause a stroke or heart attack. Note that some recreational medicines like “poppers” or amyl nitrate also contain nitrate. Alpha blockers like Flomax (tamsulosin HCI) and Hytrin (terazosin) when missed with Viagra can cause a reduction in blood pressure.

How long does viagra work?

Studies have come to show that it could actually boost sexual arousal and libido in women. The Revatio (female viagra) which serves as a female Viagra since it has the same active ingredient should be taken with the doctor’s prescription. If the erection last longer than 4 hours or becomes painful seek immediate medical attention or call your doctor. The penis could be damaged if the penis erection is prolonged (a condition known as priapism). If you have allergies for sildenafil, do not take Viagra. To ensure Viagra is okay for you, inform your doctor of other medical conditions like liver or kidney disease, stomach ulcer, coronary artery disease, heart disease, low or high blood pressure.

Viagra is under Category B of FDA pregnancy. No adequate research has been done but it is not expected to harm a developing fetus, so it is advisable to inform your health care provider if you plan to get pregnant or already pregnant before taking this drug. Whether it can harm a nursing baby or pass into milk is not known, so, inform your doctor if you are breastfeeding. It should not be administered to any person less than 18 years old without adequate medical advice.

Generic Viagra has similar benefit like the original. Original Viagra made by Pfizer has a lot of generic names such as kamagara oral jelly, kamagara and silegra. Though, there is no therapeutically equivalent version of this drug in the U.S because a generic Viagra version has not been approved some people still claim to have bought generic Viagra online from trusted stores. These stores might actually be from outside the U.S. Some online stores pit up cheap Viagra for sale but it is necessary to make sure you are not buying a fake or counterfeit product.

This doesn’t rule out the fact that you can’t buy Viagra online that is original. Cialis vs Viagra have been a common trend nowadays about which works best. The reason for this comparison is that they are both drugs that enhance sexual performance. Cialis works best for some people while Viagra works best too for others. The over the counter Viagra is also available, cheap Viagra or its equivalent can be gotten over the counter just like other drugs too. This over the counter Viagra most times is not under the brand name Viagra but they all contain sildenafil and almost the same ingredients. There are also free Viagra samples online in case you want to know if it will be the answer to your problem so you don’t end up buying what won’t work for you. You only have to pay for the shipping.

There are also Viagra coupons offered by a lot of stores online. By using the Viagra coupon the Viagra price most times is fairly reduced. Today there are few well known potent natural Viagra medications. Examples of these natural Viagra are horny goat weed, Korean red ginseng, tyrosine, arginine and few others.

Viagra side effects

Here are some common side effects of Viagra:
Stomach upset, indigestion
Dizziness, headache
Stuffy nose
Rash
Back pain
Abnormal vision
Diarrhea, nausea

Some Viagra side effects are more serious and if you experience any of these stop taking the Viagra and contact your doctor. They are:
Lightheadedness
Hearing loss or ringing in the ears
Breath shortness
Swelling in the feet, ankles and hands
Irregular heartbeat and chest pain
Loss of vision
seizure

Viagra dosage

The normal dosage initially is 50mg once daily, an hour before any sexual activity. For maintenance it is between 25 to 100 mg once daily to be taken by mouth. Viagra could be taken between 30 minutes to 4 hours before the sexual activity. Taking it with alcohol can increase the risk of side effects. Since it is a drug taken when needed, it is not possible to miss a dose. In case of overdose contact your doctor or call your poison help line. If you are asking how long does Viagra last? The Viagra pill can last averagely between 4 and at times six hours. No need to be scared about getting unnecessary erection as it needs sexual stimulation before it can start working.

 

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