Common use
The main Sildenafil Vs Cialis Online component of Viagra is Sildenafil Citrate.
Sildenafil Citrate affects the response Sildenafil Vs Cialis Online to sexual stimulation. It acts by enhancing smooth muscle relaxation using nitric oxide, a chemical that is normally released in response to sexual stimulation. This Sildenafil Vs Cialis Online smooth muscle relaxation allows increased blood flow into certain areas of the penis, which leads to an erection.
Sildenafil Citrate is applied for the treatment of erectile Sildenafil Vs Cialis Online dysfunction (impotence) in men and pulmonary arterial hypertension.
Sildenafil Citrate may also be used for other purposes not Sildenafil Vs Cialis Online listed above.

Dosage and direction
Usually the recommended dose is 50 mg. It is taken Sildenafil Vs Cialis Online approximately 0,5-1 hour before sexual activity. Do not take Viagra more then once a day.
A high fat meal may delay the time of the effect of this drug.
Try not to eat grapefruit or drink grapefruit juice while you are Sildenafil Vs Cialis Online being treated with Sildenafil Citrate .

Precautions
Before you start taking Sildenafil Citrate , tell your doctor Sildenafil Vs Cialis Online or pharmacist if you are allergic to it; or if you have any other allergies.
Aged people may be more sensitive to the side effects Sildenafil Vs Cialis Online of the drug.

Contraindications
Viagra is contraindicated in patients taking another Sildenafil Vs Cialis Online medicine to treat impotence or using a nitrate drug for chest pain or heart problems.
This medicine should not be taken by women and children Sildenafil Vs Cialis Online as well as in patients with a known hypersensitivity to any component of the tablet.

Possible side effect
The most common side effects are headache, flushing, Sildenafil Vs Cialis Online heartburn, stomach upset, nasal stuffiness, lightheadedness, dizziness or diarrhea.
A serious allergic reaction to this drug is very rare, but seek Sildenafil Vs Cialis Online immediate medical help if it occurs.
Many people using this medicine do not have serious side effects.
In case you notice any side effects not Sildenafil Vs Cialis Online listed above, contact your doctor or pharmacist.

Drug interaction
This drug should not be used with nitrates Sildenafil Vs Cialis Online and recreational drugs Sildenafil Vs Cialis Online called "poppers" containing amyl or butyl nitrite; alpha-blocker medications; other medications for impotence; high blood Sildenafil Vs Cialis Online pressure medicines, etc.
Consult your doctor or pharmacist for more Sildenafil Vs Cialis Online details.

Missed dose
Viagra is used as needed, so you are unlikely to be Sildenafil Vs Cialis Online on a dosing Sildenafil Vs Cialis Online schedule.

Overdose
If you think you have used too much of this medicine seek Sildenafil Vs Cialis Online emergency medical Sildenafil Vs Cialis Online attention right away. The symptoms of overdose usually include chest pain, nausea, irregular heartbeat, and feeling light-headed or fainting.

Storage
Store your medicines at room temperature between 68-77 Sildenafil Vs Cialis Online degrees F (20-25 degrees C) away from light and moisture. Do not store the drugs in the bathroom. Keep all drugs away from reach of children and pets.

Disclaimer
We provide only general information about medications which Sildenafil Vs Cialis Online does not cover all directions, possible drug integrations, or precautions. Information at the site cannot be used for self-treatment and self-diagnosis. Any specific instructions Sildenafil Vs Cialis Online for a particular patient should be agreed with your health care adviser or doctor in charge of the case. We disclaim reliability of this information and mistakes it could Sildenafil Vs Cialis Online contain. We are not responsible for any direct, indirect, special or other indirect damage as a result of any use of the information on this site and also for consequences Sildenafil Vs Cialis Online of self-treatment.