Description
viagra shop
Generic Viagra also available
Lower cost generic Viagra, called sildenafil, has been available since Viagra’s patent expired in the UK in June 2013. Sildenafil citrate is the medical name of the active ingredient in Viagra. Sildenafil is much cheaper from 71p per tablet – branded Viagra cost £325. They contain the same medicine.
About Viagra
- Viagra is a prescription-only medicine used to treat erectile dysfunction (ED) in men.
- ‘Viagra’ is a brand name, the active ingredient is ‘sildenafil’.
- Starting dose is one 50mg tablet in 24 hours. Depending on results, adjust to 25mg or 100mg.
- Take 30-60 minutes before sexual activity, usually lasts for 4 hours.
- Read the patient leaflet for a full list of side effects, cautions, and interactions with other drugs.
- Large meals, fatty food, alcohol, and grapefruit can affect efficacy.
- Patent expired 2013 in the UK – cheaper generic sildenafil available.
How does Viagra work?
Viagra works by increasing blood flow to the penis which helps men get and sustain an erection long enough for sex.
The active ingredient in Viagra is sildenafil, which is known medically as a PDE5 inhibitor. Sildenafil inhibits (blocks) an enzyme which regulates blood flow in the penis. PDE5 inhibitors multiply the natural process of arousal and increase blood flow to the penis in situations of sexual stimulation. Sildenafil helps to achieve an erection but relies on natural arousal as a trigger. It, and other PDE5 inhibitors such as tadalafil, vardenafil, and avanafil, support sexual relations when erections are failing.
How to take
The usual first starting dose of Viagra is one 50mg tablet, for men who have not used it before, although men over the age of 65 years would normally start on the lowest dose tablet (25mg).
Viagra works 30 to 60 minutes after it is taken and usually remains active for 4 hours.
If 50mg strength of tablet is highly effective subsequent doses may be reduced down to one 25mg tablet. If a 50mg tablet is ineffective, or the duration of activity is less than 4 hours, the dose can be increased to one 100mg tablet. Do not take Viagra more than once per day, or more than 100mg dose.
Arousal is required for the treatment to work. Viagra is most likely to be suitable if taken in situations where sexual arousal is expected within an hour or two of taking the tablet. Without sexual arousal there will be no benefit and the effect of the tablet will simply wear off after about 4 hours.
Avoid large meals, meals high in fat, excessive alcohol, and grapefruit as these can affect efficacy (effectiveness).
Does it work every time?
A trial of erectile dysfunction medication should be repeated at least 4 times before deciding whether Viagra is working and before requesting a change of dosage or change to another ED medication. As with any treatment, there are times when ED tablets might not work and may not improve or overcome the underlying cause of erectile dysfunction.
Satisfactory erections require the following:
- Adequate blood supply
- Arousal
- Healthy nervous system
If erectile dysfunction is the result of spinal injury or operation, nerves might be damaged. In this case Viagra may help a little but other measures, such as injections or stiffening aids, may be required.
Other causes of erectile dysfunction may require specialist treatment apart from tablets. Some men, whose erectile dysfunction has psychological causes, may benefit from counselling.
Additional information
| Qty | 60 Pills, 120 Pills, 180 Pills, 240 Pills, 300 Pills |
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