SILDENAFIL (Viagra®) is used to treat erection problems in men.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
anatomical deformity of the penis, Peyronie's disease, or ever had an erection that lasted more than 4 hours
benign prostatic hypertrophy (BPH)
bleeding disorder
cancer
diabetes
frequent heartburn or gastroesophageal reflux disease (GERD)
heart disease, angina, high or low blood pressure, a history of heart attack, or other heart problems
high cholesterol
kidney disease
liver disease
sickle cell disease
stomach or intestinal ulcer
stroke
eye or vision problems, including a rare inherited eye disease called retinitis pigmentosa
an unusual or allergic reaction to sildenafil, other medicines, foods, dyes, or preservatives
pregnant or trying to get pregnant
breast-feeding
How should I take this medicine?
Take sildenafil tablets by mouth. Follow the directions on the prescription label. The dose is usually taken 1 hour before sexual activity. You should not take this dose more than once per day. Swallow the tablets with a drink of water. Do not take double or extra doses.
What if I miss a dose?
This does not apply.
What drug(s) may interact with sildenafil?
Do not take sildenafil if you are taking the following medications:
nitroglycerin-type drugs for the heart or chest pain such as amyl nitrite, isosorbide dinitrate, isosorbide mononitrate, nitroglycerin, even if these are only taken occasionally
Sildenafil may also interact with the following medications:
alpha blockers, used for high blood pressure or an enlarged prostate. NOTE: Do not take doses of sildenafil higher than 25 mg within 4 hours of taking alpha blockers, such as alfuzosin (UroXatral®), doxazosin (Cardura®), prazosin (Minipress®), or terazosin (Hytrin®).
bosentan
certain drugs used for seizures such as carbamazepine, phenytoin, and phenobarbital
certain drugs used for fungal or yeast infections, such as fluconazole, ketoconazole, and voriconazole
certain drugs for the treatment of HIV infection or AIDS
some drugs for treating depression, anxiety or other mood problems (examples: fluoxetine, fluvoxamine, nefazodone)
verapamil
Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines.
What side effects may I notice from taking sildenafil?
Side effects that you should report to your prescriber or health care professional as soon as possible:
changes in hearing such as loss of hearing or ringing in ears
changes in vision such as loss of vision, blurred vision, eyes being more sensitive to light, or trouble telling the difference between blue and green objects or objects having a blue color tinge to them
difficulty breathing, shortness of breath
chest pain or palpitations
prolonged erection (lasting longer than 4 hours)
skin rash, itching
Side effects that usually do not require medical attention (report to your prescriber or health care professional if they continue or are bothersome):
diarrhea
dizziness
flushing
headache
indigestion
nasal congestion
What should I watch for while taking sildenafil?
If you notice any changes in your vision while taking this drug, notify your prescriber or health care professional as soon as possible. Stop using sildenafil right away if you have a loss of sight in one or both eyes. Contact your healthcare provider immediately.
Contact you physician immediately if the erection lasts longer than 4 hours or if it becomes painful. This may be a sign of priapism and must be treated immediately to prevent permanent damage.
If you experience symptoms of nausea, dizziness, chest pain or arm pain upon initiation of sexual activity after sildenafil use, you should refrain from further activity and should discuss the episode with your prescriber or health care professional as soon as possible.
Do not change the dose of your medication. Please call your prescriber or health care professional to determine if your dose needs to be reevaluated.
Using Viagra® (sildenafil) does not protect you or your partner against HIV infection (the virus that causes AIDS) or other sexually transmitted diseases.
Where can I keep my medicine?
Keep out of reach of children in a container that small children cannot open.
Store at room temperature between 15 and 30 degrees C (59 and 86 degrees F). Throw away any unused medicine after the expiration date.
What is the shelf life of the pills?
The expiry date is mentioned on each blister. It is different for different batches. The shelf life is 2 years from the date of manufacture and would differ from batch to batch depending on when they were manufactured.
Sabulose Discount Drug Store proposes wide range of cheap generic meds. If you have any questions about generic meds, please visit our special section about generic medications. You can find some useful information about generic meds.
What is a generic medication?
Wikipedia gives the following definition: “Generic drug (pl. generic drugs, short: generics) is a drug which is produced and distributed without a brand name. A generic must contain the same active ingredients as the original formulation. In most cases, it is considered bioequivalent to the brand name counterpart with respect to pharmacokinetic and pharmacodynamic properties. By extension, therefore, generics are assumed to be identical in dose, strength, route of administration, safety, efficacy, and intended use.”
Does a generic medication differ from a brand name drug?
Not much, actually. But there is a difference, of course. To see the difference more clearly we have made a table: click here
Comparison points
Comparison
Details
Active ingredient
same
Whether a manufacturer makes brand name drugs or generic drugs, the standards are the same. The ingredients are the most important element. The ingredient in the drug that helps cure you or make you feel better, is called the "medicinal" or active ingredient. While both generic and brand name drugs must have the same amounts of good quality medicinal ingredients, other ingredients are also found in drugs.
Effect
same
Since the active ingredient is the same, the effect produced by the generic drugs and the brand name drugs is the same.
Name
different
Generic medications cannot be manufactured under brand names since this is a copyright infringement case. Generics are usually named by their active ingredient names.
Shape
different
Shape of a pills is also a copyright of a brand, thus the shape of generic pills is different from the one of the original brand
Color
different
Color of a pills is also a copyright of a brand, thus the color of generic pills is different from the one of the original brand
Price
different
Generic medications are considerably cheaper than the brand name drugs.
Why are generic pills cheaper than the brand name ones?
The principal reason for the reduced price of generic medicines is that the creation of the generic drug runs up less cost and therefore a lower price can be offered and still maintain profitability.
Manufacturers of generic drugs are mainly able to avoid the following three costs that brand name pharmaceutical companies incur: (1) costs associated with the research and development of the drug; (2) costs associated obtaining regulatory approval (i.e. proving safety and efficacy of a drug); and (3) marketing costs.
First, Generic manufacturers do not incur the cost of drug discovery and instead reverse-engineer existing brand name drugs to allow them to manufacture bioequivalent versions. Click here
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