Viagra 100mg

What Is Viagra?

Viagra (sildenafil) is a phosphodiesterase-5 (PDE5) inhibitor used for the treatment of erectile dysfunction.
What Are Side Effects of Viagra?

Side effects of Viagra include:

warmth or redness in the face, neck, or chest,
stuffy nose,
headaches,
stomach pain,
upset stomach,
nausea,
diarrhea,
memory problems,
back pain,
an inability to differentiate between the colors green and blue,
loss of hearing,
ringing in the ears,
and dizziness.

Viagra may cause serious side effects including:

chest pain or pressure,
pain spreading to your jaw or shoulder,
nausea,
sweating,
vision changes,
sudden vision loss,
an erection that is painful or lasts longer than 4 hours,
severe shortness of breath,
cough with foamy mucus,
sudden hearing loss,
irregular heartbeat,
swelling in your hands, ankles, or feet,
seizure (convulsions), and
lightheadedness

Get medical help right away, if you have any of the symptoms listed above.

Seek medical care or call 911 at once if you have the following serious side effects:

Serious eye symptoms such as sudden vision loss, blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights;
Serious heart symptoms such as fast, irregular, or pounding heartbeats; fluttering in your chest; shortness of breath; and sudden dizziness, lightheartedness, or passing out;
Severe headache, confusion, slurred speech, arm or leg weakness, trouble walking, loss of coordination, feeling unsteady, very stiff muscles, high fever, profuse sweating, or tremors.

This document does not contain all possible side effects and others may occur. Check with your physician for additional information about side effects.

Dosage for Viagra

The recommended dose of Viagra is 25-100 mg taken 30 minutes to 4 hours before sexual activity.
What Drugs, Substances, or Supplements Interact with Viagra?

Viagra may interact with similar medications [such as avanafil (Stendra), tadalafil (Cialis) or vardenafil (Levitra)], bosentan, cimetidine, conivaptan, imatinib, isoniazid, antidepressants, antibiotics, antifungals, drugs to treat high blood pressure or a prostate disorder, heart or blood pressure medications, hepatitis C medications, or HIV/AIDS medicines. Tell your doctor all medications and supplements you use.
Viagra During Pregnancy and Breastfeeding

Viagra is intended for use in men, and is unlikely to be used in women who are pregnant or breastfeeding. However, Viagra is not expected to be harmful to a fetus. Tell your doctor if you are pregnant or plan to become pregnant during treatment with Viagra. It is unknown if Viagra passes into breast milk or if it could harm a nursing baby. Consult your doctor before breastfeeding.
Additional Information

Our Viagra Side Effects Drug Center provides a comprehensive view of available drug information on the potential side effects when taking this medication.