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How does Viagra work?

Viagra, also known as sildenafil is a prescription medication. It is used to treat erectile dysfunction (ED) in men. Sildenafil citrate works by relaxing the smooth muscles of blood vessels in certain parts of the body. This increases blood flow. To treat erectile dysfunction, Viagra increases blood flow to the penis. Viagra is effective for up to four hours. It is considered one of the shorter-acting erectile dysfunction drugs. Erectile dysfunction pills such as Viagra will help to get and maintain an erection but will not cause an erection without sexual stimulation. Viagra should not be given to patients under 18 years of age without medical approval.

How long does Viagra last?

You should take Viagra at least thirty minutes before attempting sexual activity. Sildenafil is typically effective for up to 4 hours although eating a high fat meal may delay how quickly the drug begins to work. Do not take Viagra more than once daily.

When taking Viagra, always follow the instructions set out by your doctor and pharmacist. Read any information included with your medication, and do not change your dosage before first consulting a health-care professional.

You can take Viagra pills with or without food. However, it may take a longer time to achieve results if you have just had a heavy meal. Therefore, for best results, do not eat a heavy meal before taking Viagra.

Usually, a dose of 50mg is recommended to start. However, your doctor may adjust your dose. For example, they may increase the dose to 100 mg or reduce it to 25 mg based on your experience with the medicine. Remember: never change your medication’s dosage without your doctor’s prior approval. Tell any side effects you experience to your doctor.

Viagra can be taken one hour before engaging in sexual activity. It can remain effective for up to four hours after ingestion.

Don’t take Viagra or other ED drugs more than once a day.

Remember, inform your doctor of your complete medical history, along with other drugs you take (including vitamins, herbs, supplements, and over-the-counter drugs) before you begin taking Viagra.

For example, do not take Viagra if you use nitrate drugs for heart problems or chest pain. This includes nitroglycerin, isosorbide dinitrate, isosorbide mononitrate, or recreational drugs known as “poppers.” Also, do not take Viagra if you take riociguat for pulmonary arterial hypertension. If you are over 50 years old or smoke, talk to your doctor first before starting Viagra.

Before starting on Viagra, your doctor may test your cardiovascular system to ensure your heart is healthy. Tell your doctor your medical history, especially if you have ever experienced the following: heart disease, chest pain, or irregular heartbeat; heart attack or stroke; HIV/AIDS; hypertension or hypotension; liver or kidney disease; vision problems like vision loss or retinitis pigmentosa; a bleeding disorder; stomach ulcers; Peyronie’s disease; blood cell disorders such as sickle cell anemia; an erection that lasts for more than 4 hours; any health issue that may make sexual activity unsafe.

Some medications have side effects. Usually, this is nothing to worry about, but some Viagra side effects can be very serious or may make you very uncomfortable.

Side effects of Viagra may include: headache; flushing (reddening) in your face or neck; vision issues such as blurriness, color changes, and light sensitivity; pain in your muscles or back; a congested (stuffy and runny) nose; digestive problems like diarrhea and indigestion.

You should stop using Viagra and contact your doctor at once if you experience any of these serious sildenafil side effects. This includes, but is not limited to: lightheadedness or fainting; symptoms of a heart attack (e.g. chest pain, pain that spreads to the jaw or shoulder, nausea, and sweating); an erection that is painful and/or lasts for more than 4 hours; hearing problems or ringing in the ears; shortness of breath.

If you experience nausea, chest pain, or dizziness during sexual activity, seek immediate medical attention. Also seek immediate medical attention if you suspect an allergic reaction or overdose.

Other drugs you take may affect Viagra. Be sure to tell your doctor all the drugs you take, including over-the-counter drugs, prescription drugs, vitamins, supplements, herbs, and any recreational drugs. You should especially be aware of this if you take medication that treats hypertension or a prostate disorder, an antifungal medication (such as ketoconazole or itraconazole), or a medication that treats HIV/AIDS, such as ritonavir.

You should avoid drinking alcohol, grapefruit products, and other medications that treat impotence while taking Viagra. For example, avoid taking alprostadil or yohimbine without talking to your doctor first. Taking Viagra and alcohol may increase the chance of side effects.

Please be aware that not all drug interactions and side effects are listed here. Talk to your doctor if you want to learn more about the risks and benefits of Viagra.

Does Viagra make you last longer or enhance sexual performance?

No. Viagra is not considered a recreational drug. Viagra alone cannot give you an erection; sexual stimulation is required. Viagra alone will also not enhance your sexual performance or make you last longer.

What is generic Viagra?

The Viagra generic alternative is known as sildenafil and may offer you even better savings. You can save up to 90% if you buy Viagra online. You do not need a Viagra coupon to buy cheap Viagra with Canada Drug Pharmacy making us the best place to buy Viagra online.

 When should I take Viagra?

Viagra is a medication that is taken as-needed. It is recommended you take Viagra 30 minutes to one hour before sexual activity.

 How long does it take Viagra to work?

Usually, Viagra takes effect within an hour.

 Do I need a prescription to buy Viagra?

Yes, Viagra requires a prescription from your doctor. Some websites claim that you can get Viagra from them without a prescription. Avoid these websites. Viagra obtained through “rogue” online pharmacies may be counterfeit, low-quality, or simply dangerous.

 How does Viagra affect my blood pressure?

Viagra may affect your blood pressure. It may lower your blood pressure. If you have hypotension (lower than normal blood pressure) or hypertension (higher than normal blood pressure), be sure to tell your doctor this before you start taking Viagra. Using Viagra can lead to a dangerous drop in blood pressure if you use nitrate drugs to treat chest pain.

 Is Viagra only used to treat erectile dysfunction?

Another brand of sildenafil, called Revatio, can be taken by women or men to treat pulmonary arterial hypertension and to improve exercise capacity in these patients.

 What should I do if my erection won’t go away?

An erection that doesn’t go away is called priapism. This can be potentially damaging to your penis, so seek medical attention right away if your erection does not go away after 4 hours.