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Manufactured by Pfizer Canada Inc. Viagra TABLETS CAN be split in half. This medicine is a phosphodiesterase inhibitor used to treat erectile dysfunction (ED).
Why is this Viagra prescribed?
Viagra is the first oral drug for male impotence. It works by dilating blood vessels in the penis, allowing the inflow of blood needed for an erection.
Where can I order Viagra from? Can I buy Viagra
at Canadian Prices?
Yes, if you are from the U.S. then you can
buy Viagra at Canadian prices. Currently we will only accept
an order for Viagra from U.S. and Canadian residents. Both U.S.
and Canadian residents require a prescription to purchase Viagra
and when you order Viagra it will be delivered with express
shipping.
Most important fact about Viagra
Viagra causes erections only during sexual excitement. It does not work in the absence of arousal.
How should you take Viagra?
Taking Viagra approximately 1 hour before sexual activity works best for most men. Depending on how and when the drug works for you, an interval of one-half hour to as much as 4 hours may prove ideal. --If you miss a dose...Viagra is not for regular use. Take it only before sexual activity. --Storage instructions...
Store at room temperature.
What side effects may occur with Viagra?
Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking Viagra.
More common side effects may include:
Abnormal vision (color tinge, blurring, sensitivity to light), acid indigestion, diarrhea, flushing, headache, nasal congestion, urinary tract infection
Less common to rare side effects may include:
Abdominal pain, abnormal dreams, abnormal ejaculation, allergic reactions, anxiety, asthma, bloodshot eyes, bone pain, breast enlargement, cataracts, chest pain, chills, coordination problems, cough, depression, difficulty breathing, difficulty swallowing, dilated pupils, dizziness, double vision, drowsiness, dry eyes, dry mouth, emotional or mental disturbances, eye inflammation or pain, other eye disorders, fainting, falling, genital problems, gout, gum inflammation, heart problems, increased night-time urination, increased pressure in the eyes, insomnia, itchy skin, joint disease, light sensitivity, loss of bladder control (urinary incontinence), low blood pressure, migraine headache, muscle ache, nosebleeds, numbness, oral inflammation, pain, painful erection, prolonged erection, raised skin patches, rapid or throbbing heartbeat, rectal bleeding, respiratory inflammation, ringing in the ears, seizure, sinus and throat inflammation, skin rash, skin ulcer, slow reflexes, stomach or intestinal inflammation, sweating, swelling, thirst, tremor, vision problems, vomiting, weakness
Heart attack, stroke, heart irregularities, dangerous surges in blood pressure,
and sudden death have all been reported after use of Viagra,
usually in men with existing cardiac risk factors, and typically
during or shortly after sex.
Possible food and drug interactions when using Viagra
If Viagra is taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Viagra with the following:
Other impotence remedies including Caverject and Muse
Alpha-blockers such as doxazosin (Cardura)
Amlodipine (Norvasc)
Cimetidine (Tagamet)
Erythromycin (E-Mycin, Ery-Tab, PCE)
Itraconazole (Sporanox)
Ketoconazole (Nizoral)
Nitrates such as Isordil, Nitro-Bid, and Nitro-Dur
Rifampin (Rifadin, Rimactane)
Ritonavir (Norvir)
Saquinavir (Fortovase, Invirase)
Recommended Viagra dosage
Doses range from 25 milligrams to 100 milligrams, depending on the drug's effect. The usual dose is 50 milligrams. If you are over 65, have liver or kidney problems, or are taking erythromycin, ketoconazole, itraconazole, ritonavir, or saquinavir a dose of 25 milligrams may be sufficient. Your doctor will adjust the dosage if the drug is not working properly for you. Take Viagra only before sexual activity. The manufacturer recommends a maximum of 1 dose per day (1 dose every 2 days for those taking ritonavir).
To avoid low blood pressure, do not take the 50-milligram or 100-milligram dose of Viagra within 4 hours of taking an alpha-blocking drug such as Cardura.
Viagra Overdosage
No overdose of Viagra has been reported. However, any medication taken in excess can have serious consequences. If you suspect an overdose, seek medical attention immediately.
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