| Sexual problems affect millions of men. The widespread sexual dysfunction is the inability of a male to attain or maintain erection till ejaculation. It is also called erectile dysfunction (ED).
Erectile dysfunction is curable. The therapy your GP and you choose is determined by the cause of ED and your lifestyle. Advances in science have helped increase the number of new options available to treat erectile dysfunction effectively. Drug therapy is one of the ways.
Sidenfil (Viagra) has been developed for males suffering from sexual disorders. Two more oral drug therapies, vardenafil (Levitra) and tadalafil (Cialis) were approved by the U.S. Food and Drug Administration in 2003.
How does Viagra work?
The drug relaxes the arteries of the penile area, so blood flow to the organ soars. The result? More natural erections over several hours. It is effective, if the man is sexually stimulated, and does not cause an erection by just taking the medications.
Drug interactions
But while each drug has proved efficacious, none is cure-all. Moreover, they may trigger problems when interacted with other medications. Remember that drug-to-drug interactions with nitrates or nitroglycerin heart medications can trigger dangerous decrease in blood pressure, which can be lethal.
Dose
One Viagra tablet is taken in 24 hours. Usually it is effective within 30 minutes to 1 hour and lasts almost 4 hours.
Side effects
Almost every drug has adverse side effects, even if you take it according to the prescription. Viagra is no exception. Beneath are a few common side effects you should be fully aware of before taking the medication. The commonest adverse side effects are splitting headaches, dizziness, upset stomach, redness in face, neck and/or chest and visual problems.
Contraindications
Viagra is contraindicated in men with cardiac problems, anatomical malformations of the penis, in men with a predisposition to extended erections triggered by sickle cell anemia, multiple myeloma (a form of cancer), leukaemia, liver problems (in particular grievous liver disorders), kidney problems and in males taking certain medications used for HIV or those over 65. Deaths have occurred during sexual activity in males taking the drug.. |
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