Viagra has sildenafil citrate as its main component. The drug helps the release of nitric oxide in the penile muscular tissue, thus promoting its relaxation. The same reaction takes place in the penile blood vessels. As a result, they expand and enhance the inflow of blood to the penis, which is the key to a firm and durable erection. The described mechanism is triggered by sexual stimulation. If it is not sufficient or absent, there will be no reaction to the drug. The effect lasts for about 4-5 hours.
Brand Viagra tablets are produced in three strengths: 25mg, 50mg, and 100mg of sildenafil in one pill. If there are no serious health issues, doctors usually recommend starting the treatment with a 50mg dose. Based on the response and individual tolerance to the drug, the dose can be titrated to 25mg (if the initial one has been too strong) or to 100mg (if you’ve lacked the effect).
Brand Viagra should be taken only when needed. The shortest period between two pills intake should be not less than 24 hours. 100mg/day is the highest safe dose. The tablet should be taken about 30-60 minutes before sexual activity. If the drug is taken with food, the onset of action can be delayed.
Sildenafil, if taken with other drugs, can dangerously interact with some of them. Avoid concomitant intake of brand Viagra with:
Nitrate drugs (e.g. nitroglycerin);
Ritonavir, indinavir, and other HIV-protease inhibitors;
Alpha-blockers (unless you are stable on them);
Clarithromycin, erythromycin, and some more antibiotics. This list can be continued, so consult a specialist concerning the safety of Viagra interaction with the drugs you currently use.
You should obligatorily inform your healthcare provider if you have or have had any of the following health conditions:
Deformations of the penis;
Scarring on the penis;
Blood cell disease;
Serious vision problems;
A heart attack or heart surgery within the last 6 months;
Hypotension or uncontrolled hypertension;
Cases of priapism in medical history. Men older than 65 should take brand Viagra starting with the lowest possible dose, as sildenafil clearance in slower and increased toxicity can aggravate side effect in these patients.
Intake of brand Viagra is not recommended in:
Men younger than 18;
Males with an allergy to sildenafil or some other component of the drug;
Individuals with severe heart health issues, which demand to limit the physical strain;
Low blood pressure.
Brand Viagra is well-tolerated by the bulk of its users. However, it may provoke some light unwanted effects that go away on their own and don’t need medical attention. They are: Flushing; Diarrhea; Nasal congestion; Headache; Pain in the muscles or back pain. Besides, in some patients, there may evolve dizziness, stomachache, troubles with vision, chest pain, partial or complete hearing loss. Experiencing any of the mentioned reactions reach for medical help.
The symptoms of an overdose are the same as those experienced during therapeutic dose intake. But the incidence and the rate of side effects severity may be higher. Turn for medical help if brand Viagra overdose happened. There is not any possibility to miss the dose as Brand Viagra is not for daily intake.
Keep the drug at 20-25°C out of reach of children and pets.
No toxic effect on the human organism has been revealed if the medication is taken as prescribed by a doctor.
– Reflections of a Foundation Year 1 trainee, January 2013
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More than 14,200 consultants and associate specialists completed the fifth and final survey to help create a nationwide вЂ˜snapshotвЂ™ of specialist intensity and 7-day services. The latest figure takes the …
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Viagra - Sildenafil
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Written on Thursday, 18 June 2020
HiSLAC PI Prof Julian Bion features in this month’s @TheDrMagazine in his role as Freedom to Speak up Guardian… twitter.com/i/web/status/1…
Written on Thursday, 09 January 2020
“The search for the cause of the #weekendeffect clearly needs to include community services…it is the whole patie… twitter.com/i/web/status/1…
Written on Thursday, 02 January 2020
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Written on Tuesday, 24 December 2019
Merry Christmas from all the HiSLAC team!