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VIAGRA (Sildenafil)
Health Conditions Medications Men's Health Viagra

VIAGRA (Sildenafil)

Viagra generically termed as Sildenafil is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection.It works only when you are sexually stimulated.

Dosage

To treat erectile dysfunction, take this drug by mouth as directed by your doctor, usually as needed. Take sildenafil at least 30 minutes, but no more than 4 hours, before sexual activity (1 hour before is the most effective). Do not take more than once daily.

The dosage is based on your medical condition, response to treatment, and other medications you may be taking. So, be sure to tell your doctor and pharmacist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).

How long does Viagra stay in your system?

If Viagra is broken down normally by the body the effects usually do not last more than 4 hours.Although the effects usually don’t last long, you still should not take any extra Viagra until 24 hours after your most recent dose. This is because the level of Viagra in your body is still high enough that if you took another dose on top of it, your risk of getting serious side effects becomes too high.

What will affect how long Viagra lasts for?

How well Viagra works, or how long it lasts for, depends on a number of things. These can include:

  1. Age. If you are over 65 years old, you may find that the medication stays in your body for longer. Also as you get older, Viagra leaves your body more slowly. This means that Viagra’s effects can last longer the older you are
  2. Diet. Having a large, high-in-fat meal just before you take your Viagra can make it take longer to start working. This is because the fat in your digestive system causes the medication to enter your blood more slowly. By taking Viagra on an empty stomach, the effects could start sooner
  3. Alcohol. Drinking alcohol decreases the blood flow to your penis, making it harder to get and keep an erection. A glass of wine or a single beer is usually fine, but could still have some effect. More than 2 units of alcohol will increase the risk of negative side effects from taking Viagra and will make it more difficult to maintain an erection
  4. Dosage. Viagra comes in dosages of 25mg, 50mg, and 100mg. Higher dosages may last longer, but also come with a bigger risk of side effects. A doctor’s assessment will help you find the right dosages for you
  5. General health. If you have liver or kidney problems, Viagra’s effects could last for long, although it might not be safe to take Viagra with these conditions. The reason it lasts longer is that the tablet will take longer to be broken down by your body, this means there is a bigger risk of having more serious side effects. You must always mention these conditions during a doctor assessment for Viagra treatment
  6. Drug interactions. Some medications can change how long the effects of Viagra last. This includes medications like the antibiotic ‘rifampicin’ (used to treat tuberculosis). When you’re getting assessed for treatment with Viagra, always give as much information as you can about your medications so the doctor can make sure it’s safe for you, this includes any treatments that were not prescribed by a doctor

Wondering about possible side effects?

The most common side effects of Viagra are:

  • headache
  • flushing
  • upset stomach
  • abnormal vision, such as changes in color vision (such as having a blue color tinge) and blurred vision
  • stuffy or runny nose
  • back pain
  • muscle pain
  • nausea
  • dizziness
  • rash

Viagra can cause serious side effects. Rarely reported side effects include: 

  • an erection that will not go away (priapism). If you have an erection that lasts more than 4 hours, get medical help right away. If it is not treated right away, priapism can permanently damage your penis.
  • vision loss in one or both eyes. Sudden vision loss in one or both eyes can be a sign of an eye problem called non-arteritic anterior ischemic optic neuropathy (NAION). So, stop taking Viagra and call your healthcare provider right away if you have sudden vision loss in one or both eyes
  • sudden hearing decrease or hearing loss. Some people may also have ringing in their ears (tinnitus) or dizziness. If you have these symptoms, stop taking VIAGRA and contact a doctor right away

Precautions and Warnings

Viagra can help a man get and keep an erection when he becomes sexually stimulated. It’s not right for everyone. Also, here are some other things you should know:

Do not take VIAGRA if you:

  • take any medicines called nitrates, often prescribed for chest pain, or guanylate cyclase stimulators like Adempas (riociguat) for pulmonary hypertension. Your blood pressure could drop to an unsafe level.
  • are allergic to sildenafil, as contained in VIAGRA, or any of the ingredients in VIAGRA. 

Discuss your health with your doctor to ensure that you are healthy enough for sex. Most importantly, if you are taking any medications, speak with your doctor or pharmacist. Also, an interaction between two medications does not always mean that you must stop taking one of them. Speak to your doctor about how to manage any drug interactions. And if you have plans to buy Viagra online, make sure to consider buying from your most trusted online pharmacies only.

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