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Postmarketing reports: In patients with pulmonary arterial hypertension (secondary to sickle cell disease) taking Revatio (R), vaso-occlusive crises requiring hospitalization were more commonly reported. The clinical relevance of this finding in male patients treated with sildenafil (the active ingredient contained in Viagra) for erectile dysfunction is unknown.[Ref]
When to take it enfermedad del hígado, enfermedad del ri?ón (o si está en diálisis); levitra and alcohol Stroke1 (including haemorrhagic events), Syncope, Transient ischaemic attacks1, Migraine2, Seizures, Transient amnesiaTell your healthcare provider about all the medicines you take1, including prescription and over-the-counter medicines, vitamins, and herbal supplements.
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CGMP vasodilation helps to strategically direct the blood flow towards the penis and retain the blood circulation in the penis for as long as you need to have a satisfactory intercourse. expired viagra have retinitis pigmentosa, a rare genetic (runs in families) tender, swollen glands in the neckMissed DoseAccording to the prescribing information, during the clinical trials of Viagra (sildenafil), less than two percent of patients reported experiencing insomnia (difficulty sleeping). Furthermore, it was only possible that this side effect was related to treatment and a causal relationship to Viagra was uncertain. If your husband has been experiencing difficulty sleeping, you may want to consult with the physician to determine the underlying cause and possible treatment options, if necessary. Viagra should be taken exactly as directed by your doctor. Viagra is approved, by the U.S. Food and Drug Administration (FDA), for the treatment of erectile dysfunction. Viagra relaxes muscles and increases blood flow to particular areas of the body. According to the prescribing information, some of the possible side effects associated with Viagra treatment include headache, flushing, dyspepsia (upset stomach, indigestion), nasal congestion, urinary tract infections, abnormal vision, diarrhea, dizziness and rash. For more specific information, consult with your doctor or pharmacist for guidance based on your health status and current medications, particularly before taking any action.
Some doctors prefer to start a man on the lowest dose of an oral medicine and increase the dose until an effective one is found. Others prefer to start with the highest dose and go to a lower dose only if a man complains of side effects. In either case, it’s important for a man to communicate with his doctor to let him know how the dose he’s using is working.In a drug-drug interaction study sildenafil 50 mg given with alcohol 0.5 g/kg in which mean maximum blood alcohol levels of 0.08% was achieved, sildenafil did not potentiate the hypotensive effect of alcohol in healthy volunteers [see Clinical Pharmacology (12.2)].
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