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Viagra

  • $0.27
  • Availability: In Stock
  • Active Ingredient sildenafil
Viagra is often the first treatment tried for erectile dysfunction in men and pulmonary arterial hypertension.
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25 mg
Product name Per Pill Per Pack  
30 pills $1.36 $40.73
60 pills $0.77 $81.45 $45.91
90 pills $0.57 $122.18 $51.09
120 pills $0.47 $162.90 $56.28
180 pills $0.37 $244.35 $66.64
270 pills $0.30 $366.53 $82.19
360 pills $0.27 $488.70 $97.74
75 mg
Product name Per Pill Per Pack  
10 pills $3.58 $35.80
20 pills $2.22 $71.59 $44.35
30 pills $1.76 $107.39 $52.90
60 pills $1.31 $214.78 $78.55
90 pills $1.16 $322.16 $104.19
120 pills $1.08 $429.55 $129.85
180 pills $1.01 $644.33 $181.15
270 pills $0.96 $966.49 $258.09
360 pills $0.93 $1,288.66 $335.05
100 mg
Product name Per Pill Per Pack  
10 pills $3.61 $36.10
20 pills $2.27 $72.20 $45.47
30 pills $1.83 $108.30 $54.83
60 pills $1.38 $216.60 $82.93
90 pills $1.23 $324.90 $111.02
120 pills $1.16 $433.20 $139.12
180 pills $1.09 $649.80 $195.32
270 pills $1.04 $974.70 $279.61
360 pills $1.01 $1,299.60 $363.89
50 mg
Product name Per Pill Per Pack  
10 pills $3.49 $34.91
20 pills $2.05 $69.83 $41.10
30 pills $1.58 $104.74 $47.28
60 pills $1.10 $209.48 $65.84
90 pills $0.94 $314.22 $84.39
120 pills $0.86 $418.96 $102.95
180 pills $0.78 $628.43 $140.06
270 pills $0.72 $942.65 $195.72
360 pills $0.70 $1,256.87 $251.39

Common use

The main component of Viagra is Sildenafil Citrate.
Sildenafil Citrate affects the response 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 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 dysfunction (impotence) in men and pulmonary arterial hypertension.
Sildenafil Citrate may also be used for other purposes not listed above.

Dosage and direction

Usually the recommended dose is 50 mg. It is taken 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 being treated with Sildenafil Citrate .

Precautions

Before you start taking Sildenafil Citrate , tell your doctor 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 of the drug.

Contraindications

Viagra is contraindicated in patients who take another 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 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, heartburn, stomach upset, nasal stuffiness, lightheadedness, dizziness or diarrhea.
A serious allergic reaction to this drug is very rare, but seek immediate medical help if it occurs.
Many people who use this medicine do not have serious side effects.
In case you notice any side effects not listed above, contact your doctor or pharmacist.

Drug interaction

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

Missed dose

Viagra is used as needed, so you are unlikely to be on a dosing schedule.

Overdose

If you think you have used too much of this medicine seek emergency medical 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 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 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 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 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 of self-treatment.

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Take the drug in accordance with the recommendations and safety precautions mentioned on the leaflet. It is one of the most effective ways to avoid side effects using medications purchased online. Pay close attention to the following mild to serious health aggravations that can be caused by the drug misuse or overuse:

Rare

  • Abnormal vision
  • anxiety
  • behavior change similar to drunkenness
  • bleeding of the eye
  • blurred vision
  • bone pain
  • breast enlargement
  • chest pain
  • chills
  • cold sweats
  • confusion
  • convulsions (seizures)
  • cool and pale skin
  • deafness or hearing loss
  • decrease in amount of urine or the frequency of urination
  • decreased vision
  • difficulty in concentrating
  • dizziness or lightheadedness, especially when getting up suddenly from a lying or sitting position
  • double vision
  • drowsiness
  • dry eyes
  • dry mouth
  • dryness, redness, scaling, or peeling of the skin
  • excessive hunger
  • eye pain
  • fainting or faintness
  • fast, irregular, or pounding heartbeat
  • feeling of something in the eye
  • fever or chills
  • headache (severe or continuing)
  • increase in the size of the pupil
  • increased sweating
  • increased thirst
  • lower back or side pain
  • migraine headache
  • nausea (severe or continuing)
  • nervousness
  • nightmares
  • numbness of the hands
  • painful, swollen joints
  • prolonged, painful erection of penis
  • redness, burning, or swelling of the eyes
  • redness, itching, or tearing of the eyes
  • restless sleep
  • seeing shades of colors differently than before
  • sensitivity to light
  • shakiness
  • skin lesions with swelling
  • skin paleness
  • skin rash, hives, or itching
  • skin ulcers
  • slurred speech
  • sore throat
  • sudden weakness
  • swelling of the face, hands, feet, or lower legs
  • trouble breathing
  • twitching of the muscles
  • unusual feeling of burning or stinging of the skin
  • unusual tiredness or weakness
  • vision changes
  • vision loss, temporary
  • Abdominal or stomach pain
  • abnormal dreams
  • anxiety
  • clumsiness or unsteadiness
  • cough
  • diarrhea or stomach cramps (severe or continuing)
  • difficulty in swallowing
  • ear pain
  • increased amount of saliva
  • increased skin sensitivity
  • lack of coordination
  • loss of bladder control
  • mental depression
  • nausea
  • numbness or tingling of the hands, legs, or feet
  • rectal bleeding
  • redness or irritation of the tongue
  • redness, soreness, swelling, or bleeding of the gums
  • ringing or buzzing in the ears
  • sensation of motion, usually whirling, either of one's self or of one's surroundings
  • sexual problems in men (continuing), including failure to experience a sexual orgasm
  • sleepiness
  • sores in the mouth and on the lips
  • tense muscles
  • trembling and shaking
  • vomiting
  • waking to urinate at night
  • worsening of asthma

More Common

  • Aches or pains in the muscles
  • bloody nose
  • diarrhea
  • difficult or labored breathing
  • flushing
  • headache
  • pain or tenderness around the eyes and cheekbones
  • redness of the skin
  • sneezing
  • stomach discomfort following meals
  • stuffy or runny nose
  • trouble sleeping
  • unusually warm skin

Less Common

  • Bladder pain
  • burning feeling in the chest or stomach
  • burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
  • cloudy or bloody urine
  • dizziness
  • increased frequency of urination
  • indigestion
  • pain on urination
  • stomach upset
  • tenderness in the stomach area

Incidence Not Known

  • Blindness
Type Small Molecule
Accession Number DB00203  (APRD00556)
Groups Approved, Investigational
Synonyms
  • 1-((3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-methylpiperazine
UNII 3M7OB98Y7H
CAS number 139755-83-2
Weight Average: 474.576
Monoisotopic: 474.204924168
Chemical Formula C22H30N6O4S
InChI
InChI=1S/C22H30N6O4S/c1-5-7-17-19-20(27(4)25-17)22(29)24-21(23-19)16-14-15(8-9-18(16)32-6-2)33(30,31)28-12-10-26(3)11-13-28/h8-9,14H,5-7,10-13H2,1-4H3,(H,23,24,29)
IUPAC Name
5-{2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}-1-methyl-3-propyl-1H,4H,7H-pyrazolo[4,3-d]pyrimidin-7-one
Protein binding

96%

Toxicity Not Available
Half life

4 hours

Ordering medications online, you need to make sure they can be delivered to your area. We offer free international shipping, so customers can get quality and affordable treatments, irrespective of the country they live in. We also ship to a range of Ireland cities:

  • Dublin
  • Cork
  • Dún Laoghaire
  • Limerick
  • Galway
  • Tallaght
  • Waterford
  • Swords
  • Drogheda
  • Dundalk