Friday, January 21, 2011

Dangerous interaction - blood pressure by medication mix

The combination of common antibiotics with some blood pressure medicines can trigger a dangerous drop in blood pressure leading to shock. Caution when taking antibiotics with calcium channel blockers: take patients for hypertension calcium channel blocker should physicians in the choice of an antibiotic to be careful.

The two common agents erythromycin and clarithromycin, which belong to the macrolide group, increase the probability of a blood pressure drop dramatically, as a Canadian study shows. "Macrolides are among the most prescribed antibiotics," writes the physician David Juurlink in the Canadian Medical Association Journal .

"The drugs are usually well tolerated but, but can occur in interaction with other drugs." Combined with a calcium channel blocker erythromycin increases in the elderly, the risk of sudden blood pressure drop by almost sixfold. Clarithromycin quadrupled that risk. No increased risk found for David Juurlink is also the counting agents macrolides azithromycin.

He evaluated the data of 7100 seniors who took calcium channel blockers and were treated by a drop in blood pressure in hospitals.

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