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Minoxidil Oral Dosage

Your blood pressure and other medications you are taking are some of the factors that will help your healthcare provider determine the best dosage of minoxidil oral for your situation. In most cases, the standard initial dosage for treating high blood pressure is 5 mg of minoxidil oral once daily. If necessary, this amount can be gradually increased.

An Introduction to Your Dosage of Minoxidil Oral

The dosage of minoxidil oral (Loniten®) your healthcare provider recommends will vary, depending on a number of factors, including:
 
  • Your blood pressure
  • How you respond to the medication
  • Your age
  • Your weight (in children)
  • Other medications you are taking
  • Other medical conditions you may have.
 
As is always the case, do not adjust your dose unless your healthcare provider specifically tells you to do so.
 

Minoxidil Oral Dosing for Hypertension

The initial dose of minoxidil oral for treating hypertension (high blood pressure) in people older than 12 years of age is 5 mg once daily. The amount can then be increased, no more often than every three days, until blood pressure is controlled. Dosages are typically increased first to 10 mg a day, then 20 mg a day, and then 40 mg a day, if needed. The maximum recommended amount is 100 mg a day.
 
Minoxidil oral dosing guidelines in children younger than 12 years of age are based on body weight. In this age group, the initial dosage for treating hypertension is 0.2 mg per kg of body weight (0.09 mg per pound) once daily. The amount can then be increased by 50 to 100 percent, no more often than every three days, until blood pressure is controlled.
 
The typical effective dosage of minoxidil oral for children younger than 12 years of age is between 0.25 mg and 1 mg per kg of body weight a day (0.11 mg and 0.45 mg per pound). The maximum recommended minoxidil oral dose in children younger than 12 years old is 50 mg a day.
 
Minoxidil oral is usually given once or twice a day, depending on how much your blood pressure needs to be lowered. Higher blood pressure reductions will usually require twice-daily dosing.
 
Although it is generally recommended that dose increases be separated by at least three days to allow the full effects of the new dose to occur, in some cases, a more rapid reduction in blood pressure is needed. In these cases, dosages may be increased every six hours, with very careful monitoring.
 
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Minoxidil Oral Drug Information

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