Sildenafil 25mg Tablets

Always take this medicine exactly as your doctor or pharmacist has told you. Check with your doctor or pharmacist if you are not sure.

Adult men aged 18 and over:

• Swallow one tablet whole with a glass of water approximately one hour before you plan to have sex.
• Do not take more than on dose in any 24 hour period.
• Sildenafil will only help you to get an erection if you are sexually stimulated. The amount of time Sildenafil takes to work varies from person to person, but it normally takes between half an hour and one hour. You may find that Sildenafil takes longer to work if you take it with a heavy meal.
• If you feel that the effect of Sildenafil is too strong or too weak, talk to your doctor or pharmacist.

• Active Ingredient: Sildenafil 25mg
• Other Ingredients: Dependent on brand.

Caution should be taken if the patient is suffering from cardiovascular disease. If the patient suffers from any of the following side effects, they should be referred to a doctor as soon as possible: Loss of vision or hearing, Chest pain with nausea and discomfort or Continuous painful erection lasting 4 or more hours.

• You should not use Sildenafil with any other oral or local treatments for erectile dysfunction.
• You should not use Sildenafil with treatments for pulmonary arterial hypertension (PAH) containing sildenafil or
  any other PDE5 inhibitors.
• You should not take Sildenafil if you do not have erectile dysfunction.
• You should not take Sildenafil if you are a woman.

Do not take Sildenafil 25mg Tablets:

• If you are allergic to sildenafil or any of the other ingredients of this medicine.
• If you are taking medicines called nitrates, as 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 not certain, ask your doctor or pharmacist.
• 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.
• If you are taking riociguat. This drug is used to treat pulmonary arterial hypertension (i.e. high blood pressure
  in the lungs) and chronic thromboembolic pulmonary hypertension (i.e. high blood pressure in the lungs secondary to blood clots). PDE5 inhibitors, such as Sildenafil have been shown to increase the hypotensive effects of this medicine. If you are taking riociguat or are unsure tell your doctor.
• If you have a severe heart or liver problem.
• If you have recently had a stroke or a heart attack, or if you have low blood pressure.
• 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 (NAION).

Talk to your doctor, pharmacist or nurse before taking Sildenafil 25mg Tablets: 

• 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 Sildenafil and contact your doctor immediately.

You should tell your doctor if you have kidney or liver problems. Your doctor may decide on a lower dose for you.
Sildenafil should not be given to individuals under the age of 18.

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, pharmacist or nurse that you have taken Sildenafil and when you did. Do not take Sildenafil with other medicines unless your doctor tells you that you can.

You should not take Sildenafil if you are taking medicines called nitrates, as the combination of these medicines may lead to a dangerous fall in your blood pressure. Always tell your doctor, pharmacist or nurse if you are taking any of these medicines that are often used for the relief of angina pectoris (or "chest pain").

You should not take Sildenafil 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.
If you are taking medicines known as
protease inhibitors, such as for the
treatment of HIV, your doctor may start you
on the lowest dose (25 mg) of Sildenafil.
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 Sildenafil with alpha-blockers.
This is most likely to happen within 4 hours
after taking Sildenafil. To reduce the chance
that these symptoms might happen, you
should be on a regular daily dose of your
alpha-blocker before you start Sildenafil.
Your doctor may start you on a lower dose
(25 mg) of Sildenafil.

Sildenafil can be taken with or without food.
However, you may find that Sildenafil 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 Sildenafil.
Pregnancy, breast-feeding and
fertility
Sildenafil is not indicated for use by women.
Driving and using machines
Sildenafil can cause dizziness and can
affect vision. You should be aware of how
you react to Sildenafil before you drive or
use machinery.
Sildenafil contains lactose
If you have been told by your doctor that you
have an intolerance to some sugars, such
as lactose, contact your doctor before taking
Sildenafil.