A person faints or loses consciousness for a brief time when the brain does not get enough oxygen. Fainting orpassing outis also medically called syncope. Before fainting, people may experiencelightheadedness,dizziness, weakness, andnausea. Others describe fainting asblacking outor feeling like sound...
Gastrointestinal side effects were among the most common reasons given for discontinuation of therapy. Nausea/vomiting (monotherapy: 24%; combination therapy: 25%), diarrhea (monotherapy: 16%; combination therapy: 11%), abdominal pain (monotherapy: 15%; combination therapy: 8%), dry mouth (...
9. Nielsen OH (1982) "Sulfasalazine intolerance. A retrospective survey of the reasons for discontinuing treatment with sulfasalazine in patients with chronic inflammatory bowel disease."Scand J Gastroenterol, 17, p. 389-93 10. Rubin R (1994) "Sulfasalazine-induced fulminant hepatic failure and necr...
Heart valve disease may develop either before birth (congenitally) or throughout an individual's lifetime. Sometimes, it might even happen for unknown causes. Congenital valve disease tends to affect the pulmonic or aortic valve. The valve could be the wrong size, have leaflets which don't att...
Drug interactions can happen for many reasons. A common cause for many interactions is due to how medications can change the way certain liver enzymes (proteins) work in the body. These are known ascytochrome P450(CYP450) enzymes. CYP450 enzymes are responsible foractivatingor breaking down many...
low Co2 levels reduce blood flow to the brain and force the heart to work harder. This is one of the main reasons you start to feel light headed - because your body starts to feel as if it needs to fall to the ground to make it easier for blood to reach your brain. Fainting as ...
Black vomit can occur for many reasons, and it can be a sign of an underlying medical problem. Click here to learn more about causes and treatments.
Sometimes, simply moving quickly can cause a change in the way blood is taken to the brain. Standing suddenly, especially when coupled with other conditions such as dehydration or fatigue, can result in syncope. When stationary for a long period of time, such as on a long flight, it is ...
One report has suggested that epidural fentanyl may mask the pain of myocardial ischemia in patients treated with fentanyl for other reasons. Another report has suggested that QTc interval prolongation may occur in some patients receiving the related narcotic sufentanil. Another report has implicated ...