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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
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Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.
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GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.
Monozygotic versus Dizygotic Twins
Cold versus the Flu
Primary School Attendance in World Regions Attending primary school is common but not universal, wo
Fractures are diagnosed based on an X-ray of the broken bone. Shown here: a comminuted fracture of ...
Anatomy of the heart. Remember: It is labeled right and left based on the patient’s perspective.
Government Corruption versus GDP per Capita, 2009