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The drug sildenafil is marketed under the popular brand Viagra. It is used to treat erectile dysfunction (ED).
Viagra is in a tablet form and comes in three doses: 25mg, 50mg, and 100mg. It belongs to the class of drugs known asphosphodiesterase-5 inhibitors (PDE5i). Other drugs belonging to this class include Cialis (tadalafil), Stendra (avanafil) and Levitra (vardenafil). The mechanism of action is the same as other ED drugs. However, there are subtle differences between them.
Sildenafil is a common and affordable medication used in the treatment of ED. The active ingredient in Viagra is 'Sildenafil Citrate', and it is a potent phosphodiesterase (PDE5) enzyme inhibitor.
Clinically there is no difference between Viagra and sildenafil. Viagra is a brand of sildenafil produced by Pfizer. Sildenafil is the active ingredient in Viagra. Viagra was the first of its kind to be introduced in the market, and hence it managed to create quite a hype. This is the reason why ED medications are commonly called 'Viagra'.
However, in 2013 the original patent for this medication expired, and that allowed many generic companies to produce this medication legally. Sildenafil is a safe and regulated drug but is a prescription-only medication. This is why when you are ordering Viagra online, you need to complete an online consultation with our clinical team.
Before you understand how Viagra treats ED, you need to know a bit more about how an erection occurs and how it disappears.
If you are suffering from ED, the muscles around the penis will stay in the compressed position, not allowing the blood to reach the penis. Hence, you fail to get an erection. Viagra contains sildenafil, which is a PDE-5 inhibitor. It works by suppressing the enzyme, relaxes the muscles around the penis, and thus this allows the blood to flow, enhancing erections.
Sildenafil helps in achieving an erection. If it is not effective, it could mean that you were not sexually aroused, or had a large meal which delays the absorption of the drug into the body. Viagra sildenafil is most effective when taken on an empty stomach or after a light meal.
Mental inhibitions and other external environmental factors could be another reason for not having a full erection after taking Viagra sildenafil.
Earlier, buying prescription-only medicines was a lengthy process. You had to visit your GP, discuss your ED condition, get a prescription for erectile dysfunction medicines, and visit a pharmacy to buy the medicines. Moreover, having face-to-face discussions with the doctor and the pharmacist could be an embarrassing experience.
Now you can purchase Viagra online at MedsNow following a FREE online consultation with our clinicians. The clinicians will evaluate your suitability through an online questionnaire, and depending on your condition, a prescription will be issued, which will allow you to order the medicines discreetly.
Although the lowest Viagra Sildenafil dose is 25mg, and the highest is 100mg, the most commonly prescribed dosage is 50mg. Your doctor will decide the right dosage after assessing your ED condition. The effect of Viagra kicks in 30 to 60 minutes after taking it, and it can last for 4 hours or more. For Viagra to be effective, sexual arousal is required.
For Viagra to work at its best, avoid eating large meals, high-fat meals, drinking grapefruit juice and excessive alcohol.
If you are taking nicorandil or nitrates, such as isosorbide mononitrate tablets or GTN spray to treat angina, you are not a suitable candidate for ED treatment. The combination of these medications can reduce arterial pressure. The effect of which can be dangerous.
If you are taking alpha-blockers (such as tamsulosin or doxazosin), there should be a gap of at least 6 hours between taking those medications and taking Viagra.
It typically takes 30 to 60 mins for Viagra to work. If you've eaten a high-fat meal, it may take 60 mins for Viagra to take effect. Take Viagra one hour before you expect to have sex on a relatively empty stomach for best results.
The effect of Viagra can last for up to 4hrs or more. Don't take more than one tablet within 24hrs.
All ED drugs work in a similar way. They also have similar side effects. Although Viagra was the first drug to be widely prescribed, there are other alternatives as well. They are:
Tadalafil(Generic Cialis)
Cialis(tadalafil)
Vardenafil(Generic Levitra)
Levitra(vardenafil)
Spedra(avanafil)
Other ED treatments include injections into the penis, topical applications, penis pumps, surgery, and counselling.
|
|
Viagra |
Tadalafil |
Levitra |
Spedra |
||
|
Active Substance |
Sildenafil |
Sildenafil |
Tadalafil |
Tadalafil |
Vardenafil |
Avanafil |
|
Time to Take Effect |
30-60 mins |
30-60 mins |
15-45 mins |
15-45 mins |
30-60 mins |
15-30 mins |
|
Effect Lasts For |
4-6 hours |
4-6 hours |
24-36 hours |
24-36 hours |
4-6 hours |
4-6 hours |
|
Unique Feature |
Chemically same as Viagra |
Most well-known |
Chemically same as Cialis |
Long-lasting effect |
Used for diabetics |
Acts quickly |
In most cases, Viagra is well tolerated and free from major side effects. The most common side effects are:
Headache - can be taken care of with the help of painkillers, such as paracetamol
Indigestion(dyspepsia) - can be treated with indigestion remedies
Flushing - typically over the cheeks or neck
Nasal congestion - can be treated with eucalyptus inhalers or menthol
Dizziness - don't drive or operate machinery if you have this side effect
It is recommended that you read the leaflets supplied with the tablets to know the full range of potential side effects.
Viagra isn't suitable for everybody. Once you complete your online consultation we will be able to advise you if the medication will be safe and appropriate for you.
Viagra is to be taken as and when needed. You should take it at least 1 hour before you plan to have sex. You should stick with the dosage prescribed and should not take this medication more than once a day.
If Viagra does not work or if it doesn't have the desired effect, please discuss with one of our clinical teams to confirm whether you can take a higher dose.
Yes. It is legal to buy sildenafil online after going through an online assessment. Once it is completed, we will send the prescription to the online pharmacy, and the order will be delivered to you.
Currently, sildenafil is slightly cheaper than tadalafil.
For best results with sildenafil, avoid or limit your alcohol intake.
No. At the moment this medication is prescription only and requires you to have a consultation with us to discuss your health in more detail before we can issue a prescription for you. This is a quick, discrete and efficient service with the medication being delivered directly to you.
This will depend on the schedule of your medications for Premature Ejaculation. Please discuss this with one of our clinicians if you would like to take sildenafil with other medicines prior to ordering.
When ED tablets like Viagra are taken with recreational drugs, it can pose numerous risks to an individual – from increased side effects to adverse events. Please do not take sildenafil with recreational substances, it can be dangerous.
Yes. In the UK, Viagra is legally obtained only if a doctor prescribes it, and a registered pharmacy dispenses it. If you order it online, an electronic prescription is generated. In 2017, Pfizer was allowed to reclassify sildenafil 50mg as a separate 'Pharmacy' medicine. This medicine is sold under the brand name Viagra Connect and is available without a prescription, but only registered pharmacies are permitted to supply it. You can buy it from MedsNow without a prescription.
When taken on an empty stomach, Viagra takes about 30-45 minutes to take effect. When taken 30 mins after a light meal, Viagra takes about 60 minutes to kick in. Avoid high-fat meals as they delay the absorption of the drug.
Viagra and Sildenafil are medically the same. This means sildenafil is as good as Viagra. The fact that it is cheaper than Viagra makes it a great cost-effective ED treatment.
You should take Viagra exactly how it was prescribed by your doctor, in the recommended doses. You can use these tips to get the best results:
Other tips include:
If it doesn't work, try using it a few more times. If it still doesn't work, talk to our clinicians. You may be able to be prescribed a higher dose.
Viagra is a safe and effective treatment for men over 18 years old. If you experience ED that's affecting your sexual and personal life; whether it's occasional or frequent, you should consider Viagra as a possible ED treatment.
Viagra is available in several different doses: 25mg, 50mg, and 100mg. The most common dose of Viagra prescribed is 50mg. The dose of Viagra best for you will be prescribed by our team and will depend on your needs and the severity of your ED symptoms.
Viagra is one of many ED medications currently on the market. Other medications that work like Viagra include Cialis (tadalafil), and Levitra (vardenafil).
Yes, in some cases it's possible. The causes of erectile dysfunction are many. If the cause of your ED is an underlying health problem, lifestyle-related disorders like obesity or tobacco use, it is possible to treat the symptoms without Viagra. This may involve treating the reason for erectile dysfunction, which would mean treating the health problem, adopting healthy habits, etc. which will reduce the risk of being affected with ED.
Most people look online for cheap prescription medications. The best way to get prescription medications for cheap is to go for the unbranded generic version. The same goes for erectile dysfunction medications. If you want to buy Viagra for cheap online, go for the generic medication called "Sildenafil Citrate". Both Viagra and sildenafil are chemically the same drugs; the generic one costs much less.
Viagra contains the drug sildenafil and is used to treat erectile dysfunction.
The best ED treatment is the one that's best for you. The most common ED treatments are Viagra (sildenafil) and Cialis (tadalafil). Both are equally effective and safe. In most cases, your lifestyle and cost factors will help decide the best ED treatment for you.
Viagra is a brand name, and it contains the sildenafil drug. It comes in three dosages: 25mg, 50mg, and 100mg. The most commonly prescribed dose is 50mg. But, this doesn't mean that it is the right dose for you. Your doctor will prescribe the right dosage for your condition. The drug sildenafil can also be prescribed if you prefer a lower-cost option.
Headache can be a common side effect of erectile dysfunction medications. There is a sudden change in the blood flow due to increased levels of nitric oxide, which may cause headaches sometimes.
Viagra is the original brand invented by Pfizer in the 90s to treat erectile dysfunction. It contains the drug Sildenafil. Viagra is the bestselling treatment for ED over the last two decades. However, in 2013, Pfizer lost their patent on the drug sildenafil. This allowed a lot of companies to come up with non-branded (generic) versions.
