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Si durante la actividad del sexo, usted nota mareo, náusea, o tiene dolor, entumecimiento, o cosquilleo en su pecho, brazos, cuello, o quijada, pare de hacer la actividad y llame de inmediato a su médico. Le puede estar ocurriendo un efecto secundario de gravedad que causa sildenafil. what happens when girls take viagra

Hepatic impairment (erectile dysfunction)

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.Your healthcare provider will tell you how much Viagra to take and when to take it. buy cialis no prescription Very common (10% or more): Pharyngitis (18%), rhinitisBecause clinical trials are conducted under widely varying conditions, adverse reaction rates observed in the clinical trials of a drug cannot be directly compared to rates in the clinical trials of another drug and may not reflect the rates observed in clinical practice.

Comment: Consider that this drug has shown to improve erectile dysfunction up to 36 hours following dosing, when used as needed. viagra doses - patients with unstable angina or angina occurring during sexual intercourse,

Swallow the tablet whole with a full glass of water. For Healthcare Professionals

43. Zrenner E "No cause for alarm over retinal side-effects of sildenafil." Lancet 353 (1999): 340-1 where to buy levitra The FDA's approval of Viagra (Sildenafil) on March 27, 1998[9] was a ground-breaking commercial event for the treatment of ED, with sales exceeding US$1 billion. Subsequently, the FDA approved Levitra (vardenafil) on August 19, 2003,[10] and Cialis (tadalafil) on November 21, 2003.Precautions

There are no controlled clinical data on the safety or efficacy of vardenafil in the following patients; and therefore its use is not recommended until further information is available: unstable angina; hypotension (resting systolic blood pressure of <90 mmHg); uncontrolled hypertension (>170/110 mmHg); recent history of stroke, life-threatening arrhythmia, or myocardial infarction (within the last 6 months); severe cardiac failure. Placebo Cialis