So far the US Agency for Food and Drug Administration (FDA) has not approved these drugs to be taken by women. Preliminary studies suggest that inhibitors of PDE5 were dangerous in this group, although their effectiveness in the treatment and the treatment of female sexual problems is not clear. Some scientists believe it may effect was observed in women having difficulty with desire or arousal.
Bezopasni are these drugs?
In the first year of the launch of Viagra on the market, FDA has documented the deaths of 130 men who used this drug. Most of these men have died from heart disease. Some of them were taking nitrates (nitroglycerin) – preparations which have severe side effects in combination with 비아그라 정품. In other men is not known whether death is associated with Viagra. According to one theory, heart problems are caused more by sexual activity than Viagra itself.
According to many studies, men without heart disease may safely use these drugs. Always remember that PDE5-inhibitors should never be used in combination with nitroglycerin or other nitrates (eg. Isosorbide – izozsorbid). Such a combination can cause severe collapse of blood pressure in otherwise healthy individuals. Be sure to inform your doctor promptly during the examination (especially regarding pain behind the breastbone) if the last 24 hours have used Viagra, Levitra or Cialis. Serious decrease in blood pressure can occur when a combination of PDE-5 inhibitors, alpha-blockers such as tamsulosin (Flomax), doxazosin (Cardura), which predipisvat in trouble with the prostate (benign prostatic hyperplasia). PDE5 inhibitor should also not be taken by men with the following problems:
– A heart attack or stroke within the past 6 months
– Unstable heart disease or heart failure
– Very high or very low blood pressure
– High blood pressure, controlling only through a combination of many drugs
– Liver or kidney disease
– Retinitis pigmentosa (a rare eye disease)
What are the side effects?
PDE5-inhibitors can cause a lot but mild side effects – headache, dizziness, flushing, abnormal vision. As Cialis stays in the body within 48 hours can be observed prolonged painful erection (priapism) in some men.
How to take drugs?
비아그라 정품 should be taken on an empty stomach. Required is about 1 hour to act medication. The standard dose is 50 milligrams. Some men achieve good results with 1/2 of the dose, whereas others require a higher dose. The maximum dose should not exceed 100 milligrams. The duration of action was 4 hours.
Levitra is very similar to Viagra speed and duration of action. It can be taken on an empty or full stomach. The standard dose is 10 mg. Some men responded less than 2.5 mlg. It should not be taken more than once a day.
Cialis operate a little faster than the upper two (30 minutes) and the duration of action is up to 36 hours. It should not be taken more than once a day. The standard dose is 10 milligrams.