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What is Viagra and Where to Buy Viagra Online ?

Viagra is a PDE-5 inhibitor approved by the FDA to treat erectile dysfunction. Viagra is the brand name of the specific drug made by Pfizer. The active chemical in the medicine is sildenafil citrate.

Viagra was originally created in 1989 by Pfizer as a treatment for high blood pressure and chest pain but was discovered to help erectile dysfunction (ED). It became available in the US as an ED treatment in 1998 and has been widely prescribed ever since. In 2017, generic sildenafil became available at a much lower cost than the brand-name medication. Lemonaid doctors or nurse practitioners prescribe both Viagra and generic sildenafil so whatever you need when it comes to meds, we’ve got you covered.

How does Viagra work?

Viagra works by increasing blood flow to your penis. It’s a reliable treatment for men who are unable to achieve an erection and those unable to maintain an erection. If you’re struggling with erectile dysfunction, this might be the right ED medicine for you.

So what exactly does Viagra do? By relaxing the arteries and muscles in the penis, this medication helps increase blood flow to the area. When you experience sexual arousal after taking this medicine, blood flows through the relaxed arteries to your penis, allowing you to achieve and maintain an erection. But don’t worry, you won’t get a spontaneous erection just from taking a pill. You have to be sexually aroused after taking this medicine to get an erection.

Viagra is the most popular branded medication on the market for erectile dysfunction and has helped many men suffering from ED. Need help figuring out which is the right ED med for you? Schedule an easy online appointment with one of our doctors or nurse practitioners right now. We know how much privacy and discretion matter when it comes to your sexual health. That’s why we offer convenient video appointments with medical professionals from the comfort of your own home and ability to message our medical team anytime. Plus, our online pharmacy will deliver meds to your door in discreet packaging in just 2-3 days. We’ve got you covered.


If you’re wondering how to get Viagra, the simple first step is to make an appointment with a doctor or nurse practitioner. Since it’s a prescription medication, start by talking with a doctor or nurse practitioner about your symptoms and experiences. Based on your unique situation, your doctor or nurse practitioner will then prescribe this or another suitable mediation.

If you’re ready to make the first move today, caring usahealthstore doctors or nurse practitioners are standing by to talk with you about ED. After your discreet, easy, online video appointment, our doctors or nurse practitioners will write you a prescription for Viagra if it’s the right treatment option for your needs.

Wondering where to buy Viagra? We make it really simple. Once we’ve prescribed this medication, we’ll send the order to our online pharmacy. You don’t have to worry about shopping for the best price or picking up your medication at a local pharmacy. We’ll deliver your meds straight to your door in discreet packaging within 2-3 business days.

How to take Viagra

Take 1 Viagra pill one hour before sex. Never take more than one pill on the same day.

Grapefruit can increase the risk that you experience side effects, so don’t eat grapefruit or drink grapefruit juice on the same day as using Viagra.

Take this medication only as needed. The usual starting dosage is 50mg but your doctor or nurse practitioner might start you on a different dose based on your unique medical history. This medication isn’t suitable for everyone and shouldn’t be taken if you’re also on a nitrate drug for heart problems. If you’re struggling with ED as well as a heart condition, please consult with a doctor or nurse practitioner before taking this medication.

Wondering when to take Viagra? Take it an hour or so before you plan to have sex since this medicine takes at least 30-60 minutes of taking it for it to work. If you have any other questions about how to take Viagra, our medical team is available and ready to answer them.

Viagra side effects

Like all medicines, Viagra comes with a risk of side effects. If we prescribe Viagra, it’s so important that you read the treatment plan we send you before you take the medicine. We’ll provide you with a more detailed list of the side effects in your treatment plan.

Headache, upset stomach, flushing, minor changes in vision, nasal congestion, back and muscle pain, nausea, mild dizziness and rash are the most common side effects. The good news is these side effects often go away on their own but you should seek medical care if they don’t. If you experience these Viagra side effects, you should also let us know so that we can advise you accordingly.

How long does Viagra take to work?

Take Viagra 60 minutes before you plan to have sex. And if sex doesn’t happen quite when you’d planned on it, you can relax. It’s fine to take your Viagra pill up to 4 hours before sex. If you find that it’s taking longer than you’d like for your little blue pill to kick in, our doctors or nurse practitioners recommend taking it on an empty stomach. While this med may be taken with or without food, eating a high-fat meal beforehand can slow it down.

What about over the counter Viagra?

Because it’s a prescription medication, you can’t get brand name Viagra over the counter in the US. But there’s a good reason so many men are looking for something like an OTC Viagra. It’s because seeking treatment for ED is a personal thing. Sexual health is a private matter and it’s really important that you feel comfortable talking to a doctor or nurse practitioner about your needs and experiences. If you’ve been uncomfortable seeking help for erectile dysfunction in the past, we want you to know how straightforward and comfortable it can be online.

We offers easy online appointments and alternative low-cost prescriptions. We also want to get you the help you need as fast as we can, which is why we’ll get your new prescription to you within 2-3 business days. Don’t worry, we’ll mail your Viagra pills in discreet packaging and deliver them directly to your door. The help you need is available right now from the safety and comfort of your own home.

Viagra and its generic, sildenafil, are two of the most popular drugs on the market today. Their popularity has led to thousands of bad jokes and hundreds of cheesy commercials, but how much do you actually know about the infamous erectile dysfunction pill?

Here are nine things you should know to get better acquainted with Viagra and its generic, sildenafil.

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What you should know about Generic Viagra and Generic Cialis?

1) There are multiple manufacturers.

Initially, generic sildenafil was only being manufactured by two companies: Pfizer and Teva Pharmaceuticals. However, since the generic launch back in December 2017, more manufacturers (like Aurobindo and Cambia) have come to the table, continuing to drive prices down.

2) Prices keep going down.

Yes, you read that right. In December 2017, Pfizer and Teva priced generic sildenafil at 50% of the price of the brand at that time. That meant sildenafil cost around $30 per tablet when it was released. Now that more manufacturers are making the generic, sildenafil can cost as little as $4–$10 per tablet with a GoodRx coupon at some pharmacies, depending on the strength of the pill.

3) It comes in multiple strengths.

Just like brand-name Viagra, generic (Viagra-equivalent) sildenafil is sold in tablets of 25 mg, 50 mg, and 100 mg.

We consistently see patients voice concern about how well generic drugs work. But keep in mind the rigorous process that drugs must go through before they hit the market. These processes ensure that generic medications contain the same active ingredients as their brand-name counterparts, so there are very few differences between them. You can read more about this from the FDA here.

The biggest difference between brand and generic Viagra is their colors. Viagra’s “little blue pill” is now sildenafil’s “little white pill.”

5) A different version of sildenafil already exists.

Don’t let this confuse you. Sildenafil is the generic for two common brand drugs on the market right now, Revatio and Viagra, but these drugs are approved by the FDA for two different uses. Revatio is used to treat pulmonary arterial hypertension, while Viagra treats erectile dysfunction in men.

How can you distinguish between the two? Revatio-equivalent sildenafil is only sold as a 20 mg tablet, while Viagra’s generic sildenafil is sold in 25 mg, 50 mg, and 100 mg tablets. For more on this, see our previous blog here.

6) Viagra is the most counterfeited drug in the world.

The problem of counterfeit Viagra is so widespread that Pfizer has even created their own security force to help cut down the number of unregulated drugs on the market. This team, called Pfizer Global Security, works with law enforcement, pharmacies and wholesalers to monitor and improve surveillance on the distribution of counterfeit Viagra.

Why is this so important? One study done by the Pfizer Global Security team found that nearly 80% of online sites that claimed to sell Viagra were actually selling a counterfeit. The team even found dangerous additives like blue printer ink, amphetamines (or speed), rat poison, road paint, and floor wax hidden in counterfeit Viagra—things you definitely don’t want to put in your body.

For more information on spotting fake Viagra, see Pfizer’s video on how to buy safely here.

7) Sildenafil does have side effects.

While you might have only heard of the good effects of Viagra and sildenafil, be aware that they do have some negative side effects. According to our friends at Iodine, people taking Viagra typically report side effects like headache, flushing, low blood pressure, abnormal vision, indigestion, and an erection lasting longer than five hours. Be sure to speak with your doctor or pharmacist if you experience any of these side effects for a prolonged period of time.

8) Sildenafil is available without a prescription in the UK.

In the United States, Viagra and sildenafil are only available by prescription. But in the UK, patients can buy Viagra over the counter without a prescription. It is sold under the name, Viagra Connect, and comes in a 50 mg tablet for around $25 US dollars for four tablets.

This decision by the Medicines and Healthcare Products Regulatory Agency (the UK’s version of the FDA) was aimed to reduce the amount of black market, unregulated Viagra tablets being sold.

9) Sildenafil treats more than erectile dysfunction.

In fact, sildenafil was first intended to treat chest pain and angina. However, patients prescribed sildenafil for chest pain reported an interesting side effect, an increased amount of erections, and it was soon after approved to treat erectile dysfunction.

Since then, sildenafil’s indications have expanded to include pulmonary arterial hypertension in addition to erectile dysfunction. Revatio and generic sildenafil 20 mg are used for high blood pressure and pulmonary arterial hypertension. Viagra and generic sildenafil 25 mg, 50 mg, and 100 mg are used for erectile dysfunction.

What other drugs could interact with this medication?

There may be an interaction between sildenafil and any of the following:

abiraterone alcohol alpha agonists (e.g., clonidine, methyldopa) alpha-blockers (e.g., doxazosin, terazosin) alprostadil amiodarone angiotensin converting enzyme inhibitors (ACEIs; e.g., captopril, enalapril, ramipril) angiotensin receptor blockers (ARBs; e.g., candasartan, irbesartan, losartan) aprepitant aripiprazole “azole” antifungals (e.g., itraconazole, ketoconazole, voriconazole) barbiturates (e.g., butalbital, pentobarbital, phenobarbital) beta-adrenergic blockers (e.g., atenolol, propranolol, sotalol) bicalutamide boceprevir bosentan calcium channel blockers (e.g., amlodipine, diltiazem, nifedipine, verapamil) carbamazepine clonidine cobicistat conivaptan deferasirox dexamethasone diuretics (water pills; e.g., furosemide, hydrochlorothiazide, triamterene) dofetilide dronedarone enzalutamide fusidic acid guanfacine HIV non-nucleoside reverse transcriptase inhibitors (NNRTIs; e.g., delaviridine, efavirenz, etravirine, nevirapine) HIV protease inhibitors (e.g., atazanavir, indinavir, ritonavir, saquinavir) hydralazine macrolide antibiotics (e.g., clarithromycin, erythromycin) methyldopa metronidazole mifepristone mitotane nefazodone nitrates (e.g., nitroglycerin, isosorbide mononitrate, isosorbide dinitrate, or amyl nitrite “poppers”) norfloxacin oxcarbazepine peginterferon Alfa-2b phenytoin other phosphodiesterase 5 inhibitors (e.g., tadalafil, vardenafil) pimozide primidone rifabutin rifampin riociguat St. John’s wort sapropterin sertraline siltuximab simeprevir “statins” (e.g., lovastatin, simvastatin, atorvastatin) stiripentol telaprevir tocilizumab tyrosine kinase inhibitors (e.g., dasatinib, imatinib, nilotinib, sunitinib)

Grapefruit juice may increase the amounts of sildenafil in the blood. A high-fat meal may reduce the effectiveness of sildenafil.

If you are taking any of these medications, speak with your doctor or pharmacist. Depending on your specific circumstances, your doctor may want you to:

  • stop taking one of the medications,
  • change one of the medications to another,
  • change how you are taking one or both of the medications, or
  • leave everything as is.

An interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how any drug interactions are being managed or should be managed.

Medications other than the ones listed above may interact with this medication. Tell your doctor or prescriber about all prescription, over-the-counter (non-prescription), and herbal medications that you are taking. Also tell them about any supplements you take. Since caffeine, alcohol, the nicotine from cigarettes, or street drugs can affect the action of many medications, you should let your prescriber know if you use them.