"Nov. 1, 2012 -- Having even mildly elevated blood pressure at midlife prematurely ages the brain, a new study shows.
Researchers say the early changes seen with higher blood pressure may set the stage for problems with thinking, memor"...
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Oral doses of 240 mg/kg and 264 mg/kg in male and female mice, respectively, and 2390 mg/kg and 2250 mg/kg in male and female rats, respectively, caused significant lethality.
In a suicide attempt, one patient took 150 mg felodipine together with 15 tablets each of atenolol and spironolactone and 20 tablets of nitrazepam. The patient's blood pressure and heart rate were normal on admission to hospital; he subsequently recovered without significant sequelae.
If severe hypotension occurs, symptomatic treatment should be instituted. The patient should be placed supine with the legs elevated. The administration of intravenous fluids may be useful to treat hypotension due to overdosage with calcium antagonists. In case of accompanying bradycardia, atropine (0.5–1 mg) should be administered intravenously. Sympathomimetic drugs may also be given if the physician feels they are warranted.
To obtain up-to-date information about the treatment of overdose, consult your Regional Poison-Control Center. Telephone numbers of certified poison-control centers are listed in the Physicians' Desk Reference (PDR). In managing overdose, consider the possibilities of multiple-drug overdoses, drug-drug interactions, and unusual drug kinetics in your patient.
PLENDIL is contraindicated in patients who are hypersensitive to this product.
Last reviewed on RxList: 11/9/2012
This monograph has been modified to include the generic and brand name in many instances.
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