FAQ
The usual dose is 50mg, when you need it. Do not take it more than once a day. The dose can be increased to 100mg or decreased to 25mg depending on its effect. Take sildenafil up to 4 hours before you want to have sex.
Take the initial prescribed dose on an empty stomach about 30-60 minutes before sexual intercourse.
If you want to know how to get maximum effect from Cialis (Tadalafil), the most important thing is to take it at the right time. You'll want to take it at least 30 minutes before sexual activity to give it enough time to work. Cialis takes a little while to kick in - usually reaching peak effect around the 2-hour mark.
Cialis usually takes about 30 minutes to take effect with sexual stimulation and its effect lasts for up to 36 hours, which is why it is sometimes referred to as a “weekend pill”.
Adults up to 65 years—10 mg as a single dose, no more than once per day, approximately 1 hour before sexual activity, Last about 4 hours.
Is 20 mg Levitra equal to 100 mg Viagra? The highest dose of Levitra is 20 mg, and the highest dose of Viagra is 100 mg. That being said, Levitra tends to be more potent than Viagra, and may require a lower dose.
The side effects of vardenafil (Levitra) are potentially less than sildenafil (Viagra), but more data are needed. In a recent study on men with erectile dysfunction and diabetes, vardenafil (Levitra) improved their erectile dysfunction.
Sildenafil (Viagra) increases blood flow to the penis so that you can get an erection. But it may cause side effects, including light sensitivity and diarrhea. Certain side effects may need medical attention.
Viagra side effects
Viagra may cause some unwanted side effects.
Side effects may include:
sensitivity to light
muscle aches
heartburn
nose bleeding
flushed skin
problems falling asleep
tingling in the arms, feet, legs, or hands
numbness in the arms, feet, legs, or hands
headache
diarrhea
heartburn
trouble differentiating between colors like blue and green
seeing a blue tinge on things
Viagra may also cause serious side effects that require immediate medical attention. Symptoms may include:
chest pain
fainting
blurred vision
severe, sudden loss of vision
ringing in ears
sudden loss of or decrease in hearing
dizziness
rash
burning during urination
itching during urination
shortness of breath that worsens
an erection that lasts longer than 4 hours and may be painful
Side effects of tadalafil / Cialis
Headaches. Make sure you rest and drink plenty of fluids. ...
Feeling sick (nausea) It may help if you stick to simple meals and avoid rich or spicy food. ...
Facial flushing and hot flushes. Try cutting down on coffee, tea and alcohol. ...
Indigestion. ...
Stuffy nose. ...
Muscle aches.
The side effects of vardenafil (Levitra) are potentially less than sildenafil (Viagra), but more data are needed. In a recent study on men with erectile dysfunction and diabetes, vardenafil (Levitra) improved their erectile dysfunction.
Vardenafil can cause several common side effects, most of which are mild and temporary:
Back pain.
Facial flushing or redness.
Headache.
Muscle pain.
Runny or stuffy nose.
Upset stomach.


