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See below: Levophed’s dosing is variable, depends on the condition treated, and may itself change depending the reference or guideline you consult). A common treatment is for low blood pressure/shock, 0.1-0.5 mcg/kg/minute, adjusted to desired pressure response. An older approach some still use is flat dosing (without regard to patient weight) of 8-12mcg/minute to start and a maintenance dose of 2-4mcg/min. ...Read more
Receptors: These three medications are used to support the heart and cardiovascular system ie. blood pressure and heart rate. They are known as sympathomimetics and have a similar response to what you would think of as adrenaline. Each has variable effect on either heart rate, heart function (in terms of strength of 'squeeze') and on blood vessels which would translate to higher blood pressure. ...Read more
I was wondering what are the differences of levophed, (norepinephrine) dopamine and dobutamine in terms of their action?
You Asked for It----: Dobutamine- direct b1 receptor stimulant or agonist in the sympathetic nervous system. Levophed- vasoconstrictor peripherally (alpha adrenergic effects) and beta adrenergic stimulant at the level of the heart and coronary vessels dopamine- dual b1 and Alpha adrenergic effects. Useful in hypovolemic shock because of conservancy of renal blood flow. Also, works centrally in other complex ways. ...Read more
Alters physiology: These are very simple answers to a complex question. Levophed (norepinephrine) increases blood pressure; Dopamine increases heart rate, blood pressure and cardiac function (contractility); Dobutamine increases cardiac contractility and heart rate. ...Read moreSee 1 more doctor answer
Is levophed (norepinephrine) being used more now as a first choice of treatment for head injuries?
Levophed (norepinephrine): Norepinephrine is not specifically used for treatment of head injuries per se but it is used routinely in ICU settings for maintaining blood pressure in critically ill pt's such as those suffering from acute neurologic trauma to attempt to maintain cerebral perfusion in the face of elevated intracranial pressure. ...Read moreSee 1 more doctor answer
Varies by response: Bupropion comes in several verstions--immediate release, twoce daily dosage form, and once-daily doseage form. Typical ranges are 200 to 450 mg a day. 450 mg is the maximum recommended doses because there is an increased risk of seizures above that dose. As with all antidepressants, the dose any individual needs varies and depends on condition being treated and side effects. ...Read moreSee 1 more doctor answer
Antibiotic: Ampiclox, or Ampicillin as it is known in the us, is given in doses of 250-500 mg qid (four times a day). It is also the main drug in unasyn, (ampicillin and sulbactam) where it is combined with sulbactam which makes it more effective. Unasyn (ampicillin and sulbactam) is an IV medicine only. The drug can be used against a wide range of infections, including pneumonia, kidney infections, and meningitis. ...Read more