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How To Take Sildenafil

How To Take Sildenafil


Use sildenafil exactly as directed by your doctor. Do not use more of it and do not use it more often than your doctor ordered. If too much is used, the chance of side effects is increased.Special patient instructions comes with sildenafil. Read the directions carefully before you start using sildenafil and each time you get a refill of your medicine.You may take this medicine with or without food.

If you are using the oral liquid, shake the bottle well for at least 10 seconds before measuring each dose. Use the oral syringe provided in the package to measure each dose. Wash the oral syringe after each use.

How it works

Sildenafil belongs to a class of drugs called phosphodiesterase type 5 (PDE5) inhibitors. A class of drugs is a group of medications that work in a similar way. These drugs are often used to treat similar conditions.


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.This drug does not protect against sexually transmitted diseases (such as HIV, hepatitis B, gonorrhea, syphilis). Practice "safe sex" such as using latex condoms. Consult your doctor or pharmacist for more details.

Warnings and precautions

Tell your doctor, pharmacist or nurse before taking Sildenafil tabletsIf you suffer from sickle cell anaemia (an abnormality of red blood cells), leukaemia.and multiple myeloma (cancer of bone marrow).If you suffer from deformity of your penis or Peyronie’s Disease.If you suffer from heart problems. Your doctor should in that case carefully check whether your heart can takethe additional strain of having sex. If you are suffering from stomach ulcer, or a bleeding problems (such as haemophilia).If you experience sudden decrease or loss of vision, stop taking Sildenafil tablets and contact your doctor immediately.

side effects

The more common side effects of sildenafil are listed below, along with their rates:

  • Headaches
  • Flushing (reddening and warming of the face)
  • Upset stomach
  • Dizziness
  • Nasal congestion
  • Back pain
  • Nausea
  • Rash
  • Abnormal vision
  • Muscle pain


Priapism warning: This drug can cause priapism, which is an erection that won’t go away. If you have an erection that lasts more than 4 hours, call 911 or go to the nearest emergency room. If it’s not treated right away, this condition can cause permanent damage to your penis.

Sudden vision loss warning: This drug can cause sudden vision loss in one or both eyes. This can be a sign of a serious eye problem. If this occurs, stop taking sildenafil and call your doctor right away.