Notes

What is Sildenafil?


Sildenafil works by increasing blood flow to the penis following sexual stimulation, thus promoting an erection. It is an inhibitor of the phosphodiesterase enzyme , which is therefore also used in the case of pulmonary hypertension, as it relaxes the blood vessels in the lungs.
How is Sildenafil taken?

Sildenafil is administered orally , in the form of tablets or suspension.
Side Effects of Sildenafil

Sildenafil has side effects that occur on the visual, or auditory, apparatus . Among the former there are sudden drops in vision (up to total loss), while among the latter there are sudden drops or loss of hearing. Heart attack , stroke , irregular heartbeat, brain or lung bleeding, high blood pressure and sudden death are among the other side effects of Sildenafil.

Possible side effects of sildenafil include:

headache
heartburn
diarrhea
difficulty distinguishing colors
sensitivity to light
hot flashes
epistaxis
insomnia
burning, numbness or tingling in the arms, hands, feet or legs
muscle aches

A doctor should be contacted without hesitation if taking the drug results in:

respiratory difficulties
tightness or pain in the chest
swelling of the mouth, face, lips or tongue
sudden loss of vision, blurred vision
sudden decrease or loss of hearing, tinnitus
dizziness or light-headedness
fainting
rash
urticaria
itch
worsening of shortness of breath
painful erections or erections lasting more than four hours
burning or itching when urinating

Contraindications and warnings on the use of Sildenafil

If you have recently taken Riociguat or nitrates, or continue to take them, Sildenafil is contraindicated. Furthermore, 비아그라 would be advisable to inquire about the risks that taking grapefruit or grapefruit juice can cause during treatment with sildenafil.

Before starting a therapy with sildenafil it would be advisable to notify the doctor:

any allergies to the active ingredient, its excipients, any other drug, food or other substances;
medicines, herbal medicines and supplements taken , in particular alpha-blockers, amlodipine, antifungals, anticoagulants, barbiturates, beta-blockers, Bosentan, Cimetidine, Efavirenz, Erythromycin, HIV protease inhibitors, Nevirapine, high blood pressure drugs , anticonvulsants, Rifabutin, Rifampicin, St. John's Wort and other drugs against erectile dysfunction;
if in the past you have suffered or still suffer from prolonged erections, pulmonary veno-occlusive disease, stomach ulcers, heart, liver or kidney disease, bleeding disorders, circulation problems, disorders affecting blood cells, conditions that alter shape penis, diabetes, retinitis pigmentosa or sudden loss of vision (especially if associated with blockage of blood flow to the nerves of vision), angina during sexual intercourse;
in case of heart attack ;
in the presence of family cases of retinitis pigmentosa or sudden loss of vision (especially if associated with blockage of blood flow to the nerves of vision);
if you are a smoker ;
if you have suffered dehydration (even recently);
if you have ever been instructed to reduce sexual activity (even in the past);
if you are a woman with pulmonary hypertension , if you are pregnant or breastfeeding .

Your doctor, surgeon or dentist should be advised that you are taking Sildenafil.
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