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- Reliable treatment for erectile dysfunction (ED)
- Viagra treats ED in around two thirds of cases
- Works within 30-60 minutes
- Lasts up to 4 hours
Erectile Dysfunction Doctor Service
Viagra film-coated tablet is the most popular treatment and reliable medicine which is indicated to treat erectile dysfunction and help to achieve or maintain a penile erection sufficient for satisfactory sexual performance.
Viagra is a treatment for adult men, sometimes known as impotence. This is when a man cannot get, or keep a hard, erect penis suitable for sexual activity.
- Viagra is not indicated for individuals below 18 years of age. Do not take Viagra if you are under the age of 18
- Viagra is not indicated for use by women
This tablet contains the active ingredient, sildenafil citrate, which increases the blood flow to the penis to help men get an erection. Viagra's active ingredient is part of a group of medications called phosphodiesterase type 5 (PDE5) inhibitors. It treats erectile dysfunction by relaxing the blood vessels in your penis, making it easier for blood to flow to the area. This makes it easier for your penis to get the blood flow it needs to become erect and stay erect. Viagra will only help you to get an erection if you are sexually stimulated.
What Is Erectile Dysfunction?
Erectile dysfunction is something that most men will experience at some point in their lives. While this can be a short-term condition caused by things like alcohol, stress, or tiredness, some men will experience erectile dysfunction over a longer period of time. This can be due to a physical or emotional cause.
What Causes Erectile Dysfunction?
Small blood vessels supply the penis, and when a man is sexually aroused, an increase in blood flow into the penis causes the penis to stiffen. Erectile dysfunction can happen if these vessels are blocked in any way. Because the vessels are so thin, blockages can occur easily.
Things like smoking, high cholesterol, diabetes and lack of exercise can all have an effect on these blood vessels. Erectile dysfunction symptoms could also be down to emotional or psychological causes, such as anxiety or depression. Sometimes erectile dysfunction may be a side effect of being on certain medication.
Health issues can also contribute to erectile dysfunction. Circulation problems can mean blood struggles to reach the penis and problems like hormonal imbalances, groin injuries, or low mood have also been known to have an effect on a man’s ability to achieve an erection.
If you’ve regularly been experiencing erectile dysfunction, please speak to a pharmacist or your GP.
What Is Viagra?
Viagra is a prescription medicine used to treat erectile dysfunction (ED). You will not get an erection just by taking this medicine. Viagra helps a man with ED get and keep an erection only when he is sexually stimulated.
How Long Will It Take For Viagra To Work?
Viagra usually starts to work within 30-60 minutes. And you only take it when you need it. Viagra can be taken with or without food. If you take VIAGRA after a high-fat meal (such as a cheeseburger and french fries), it may take a little longer to start working.
How Long Does Viagra Last?
The effects of Viagra may be noticeable for up to 4 hours after taking your dose.
What is the most important information I should know about VIAGRA?
Viagra can cause your blood pressure to drop suddenly to an unsafe level if it is taken with certain other medicines.
- Do not take Viagra if you take any other medicines called "nitrates." Nitrates are used to treat chest pain (angina). A sudden drop in blood pressure can cause you to feel dizzy, faint, or have a heart attack or stroke.
- Do not take Viagra if you take medicines called guanylate cyclase stimulators which include: Riociguat (Adempas®) a medicine that treats pulmonary arterial hypertension and chronic-thromboembolic pulmonary hypertension.
Does Viagra Work For Women?
Viagra Tablets are licensed treatments for men. Women cannot take this treatment and it may be dangerous to use.
What Is The Difference Between Viagra and Sildenafil?
Sildenafil is the generic form of the better known branded drug Viagra. This means that both medications contain exactly the same active ingredient.
What Do I Need To Know About Counterfeit Or Fake Viagra?
Viagra is one of the most counterfeited drugs in the world. Counterfeit medicine is fake medicine. It may be contaminated or contain the wrong or no active ingredient. They could have the right active ingredient but at the wrong dose.
Counterfeit drugs are illegal and may be harmful to your health. Many consumers may not know that the medicines they've purchased are counterfeits.
What We Found In Counterfeit Viagra:
- Blue printer ink
- Amphetamines, also known as “speed”
- Metronidazole, a powerful antibiotic that could cause an allergic reaction, diarrhoea, or vomiting
- Too much active ingredient (or not enough), which may cause you harm
- Binding agents, such as drywall, that prevent the tablet from breaking down in your system
The primary danger in taking a counterfeit medicine is that you are putting something into your body that not only may not help your current condition, but more alarmingly could result in harmful effects to your overall health.
Like all medicines, this medicine can cause side effects, although not everybody gets them.
- Do not use it, if you are allergic to any of the ingredients.
- For a full list of side effects, please read the patient information leaflet.
The side effects reported in association with the use of Viagra are usually mild to moderate and of a short duration.
If you experience any of the following serious side effects stop taking Viagra and seek medical help immediately:
An allergic reaction. Symptoms include sudden wheezing, difficulty in breathing or dizziness, swelling of the eyelids, face, lips or throat.
Chest pains. If this occurs during or after intercourse:
- Get in a semi-sitting position and try to relax.
- Do not use nitrates to treat your chest pain.
Prolonged and sometimes painful erections. If you have an erection which lasts for more than 4 hours, you should contact a doctor immediately.
Stop taking Viagra and see your doctor straight away if you get some or all of the following symptoms:
- A sudden decrease or loss of vision.
- Serious skin reactions.
- Symptoms may include severe peeling and swelling of the skin, blistering of the mouth, genitals and around the eyes, fever.
- Seizures or fits.
Other medicines and Viagra
- Tell your doctor or pharmacist if you are taking, have recently taken or might take any other medicines.
Sildenafil tablets may interfere with some medicines, especially those used to treat chest pain. In the event of a medical emergency, you should tell your doctor or pharmacist that you have taken Viagra and when you did.
- Do not take Viagra with other medicines unless your doctor tells you that you can.
- You should not take Viagra if you are taking medicines called nitrates as the combination of these medicines may lead to a dangerous fall in your blood pressure.
- You should not take Viagra if you are using any of the medicines known as nitric oxide donors such as amyl nitrite (“poppers”) as the combination may also lead to a dangerous fall in your blood pressure.
- Tell your doctor or pharmacist if you are already taking riociguat.
Special considerations for patients with kidney or liver problems
- You should tell your doctor if you have kidney or liver problems. Your doctor may decide on a lower dose for you.
Some patients who take alpha-blocker therapy for the treatment of high blood pressure or prostate enlargement may experience dizziness or light-headedness, which may be caused by low blood pressure upon sitting or standing up quickly.
- Certain patients have experienced these symptoms when taking Viagra with alpha-blockers. This is most likely to happen within 4 hours after taking Viagra. In order to reduce the chance that these symptoms might happen, you should be on a regular daily dose of your alpha-blocker before you start Viagra. Your doctor may start you on a lower dose (25 mg) of Viagra.
A medical history and physical examination should be undertaken to diagnose erectile dysfunction and determine potential underlying causes, before pharmacological treatment is considered.
If you get any side effects, talk to your doctor, our Rightdose pharmacists or nurse. This includes any possible side effects not listed in this leaflet.
You can help to make medicines safer by reporting any side-effects to the Yellow Card Scheme at www.mhra.gov.uk/yellowcard.
Before taking any medication, it is important to read the Patient Information Leaflet. You can find information leaflets for your medicines by typing them into the search bar at medicines.org, or by contacting us.
Patient Information Leaflet Viagra Film-coated Tablets
Viagra should not be given to individuals under the age of 18.
What you need to know before you take Viagra
Do not take Viagra:
- If you are allergic to sildenafil or any of the other ingredients of this medicine.
- If you have recently had a stroke or a heart attack, or if you have low blood pressure.
- If you are taking riociguat. This drug is used to treat pulmonary arterial hypertension (i.e., high
blood pressure in the lungs).
- If you are taking medicines called nitrates, the combination may lead to a dangerous fall in your blood pressure. Tell your doctor if you are taking any of these medicines which are often given for relief of angina pectoris (or “chest pain”).
- If you are using any of the medicines known as nitric oxide donors such as amyl nitrite (“poppers”), the combination may also lead to a dangerous fall in your blood pressure.
- If you have a severe heart or liver problem.
- If you have certain rare inherited eye diseases (such as retinitis pigmentosa).
- If you have ever had loss of vision due to non-arteritic anterior ischaemic optic neuropathy
Pregnancy, breast-feeding and fertility
- Viagra is not indicated for use by women.
Driving and using machines
- Viagra can cause dizziness and can affect vision. You should be aware of how you react to Viagra before you drive or use machinery.
How to store Viagra
- Do not store above 30 °C.
- Do not use this medicine after the expiry date which is stated on the carton and blister after EXP. The expiry date refers to the last day of that month.
- Store in the original package, in order to protect from moisture.
- Do not throw away any medicines via wastewater or household waste. Ask your pharmacist how to
throw away medicines you no longer use. These measures will help protect the environment.
Keep this medicine out of the sight and reach of children.
Before using any medication, it is important to read the Patient Information Leaflet. You can find information leaflets for your medicines by typing them into the search bar at medicines.org, or by contacting us.
Whichever erectile dysfunction (ED) treatment you are prescribed, always use this medicine exactly as your doctor has told you. Check with your doctor or pharmacist if you are not sure.
- The recommended starting dose is 50 mg. You should not take Viagra more than once a day.
You will need to be sexually stimulated for Viagra to work, just as you would to obtain an erection without taking this medication.
- Take Viagra one hour before you plan to have sex. For erectile dysfunction, it's best to take the tablet on an empty stomach. It may take longer to work if you take it with a heavy meal.
- Swallow the tablet whole with a glass of water.
- Do not take Viagra more than once every 24 hours.
- For the best results, avoid eating heavy meals or drinking alcohol before using Viagra.
- You may need to take Viagra on up to 8 times (on different days) before you see the full effect.
If Viagra does not help you to get an erection, or if your erection does not last long enough for you to complete sexual intercourse you should tell your doctor or pharmacist.
Based on efficacy and tolerability, the dose may be increased to 100mg or decreased to 25mg. The maximum recommended dose is 100 mg. The maximum recommended dosing frequency is once per day.
Do not take Viagra film-coated tablets in combination with Viagra orodispersible tablets.
What if you forget to take it
- Never take an extra dose to make up for a forgotten one. Never take 2 doses at the same time.
- If you often forget doses, it may help to set an alarm to remind you.
If you take more Sildenafil than you should
Taking too much Viagra by accident can cause unpleasant side effects, such as:
- Blocked nose
- Altered vision
Talk to your doctor if you have taken too much sildenafil and you're worried about these side effects.
Viagra with food, drink and alcohol
- Viagra can be taken with or without food. However, you may find that Viagra takes longer to start working if you take it with a heavy meal.
- Drinking alcohol can temporarily impair your ability to get an erection. To get the maximum benefit from your medicine, you are advised not to drink excessive amounts of alcohol before taking Viagra.
Viagra contains lactose
- Viagra film-coated tablets contain lactose monohydrate. If you have been told by your doctor that you have an intolerance to some sugars, such as lactose, contact your doctor before taking this medicinal product.
Viagra contains sodium
- This medicine contains less than 1 mmol sodium (23 mg) per each tablet, that is to say essentially sodium-free.
Warnings & Precautions
Talk to your doctor, pharmacist or nurse before taking Viagra.
Viagra should not be given to women or to individuals under the age of 18.
Tell your doctor
- If you have sickle cell anaemia (an abnormality of red blood cells), leukaemia (cancer of blood
cells), multiple myeloma (cancer of bone marrow).
- If you have a deformity of your penis or Peyronie’s Disease.
- If you have problems with your heart. Your doctor should carefully check whether your heart
can take the additional strain of having sex.
- If you currently have a stomach ulcer, or a bleeding problem (such as haemophilia).
- If you experience sudden decrease or loss of vision, stop taking Viagra and contact your
You should tell your doctor if you have kidney or liver problems. Your doctor may decide on a lower dose for you.
You should not use Viagra with any other oral or local treatments for erectile dysfunction.
- You should not use Viagra with treatments for pulmonary arterial hypertension (PAH) containing
sildenafil or any other PDE5 inhibitors.
- You should not take Viagra if you do not have erectile dysfunction.
The active substance is sildenafil.
Each film-coated tablet contains 25 mg Sildenafil (as sildenafil citrate).
Each film-coated tablet contains 50 mg Sildenafil (as sildenafil citrate).
Each film-coated tablet contains 100 mg Sildenafil (as sildenafil citrate).
The other ingredients are:
Tablet core: Microcrystalline cellulose, calcium hydrogen phosphate (anhydrous), croscarmellose sodium, magnesium stearate
Film coat: Hypromellose, titanium dioxide (E171), lactose monohydrate, triacetin, indigo carmine aluminium lake (E132)
What VIAGRA looks like and contents of the pack
Viagra film-coated tablets are blue, with a rounded-diamond shape. They are marked “PFIZER” on one side and “VGR 25”, “VGR 50” or “VGR 100” on the other side.
The tablets are provided in blister packs containing 2, 4, 8, 12 or 24 tablets.
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