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Postprandial Blood Glucose
Postprandial blood glucose (blood sugar levels after a meal) is another way to study the effects of diabetes drugs. During clinical studies, people taking Prandin decreased their postprandial blood glucose levels by up to 47.6 mg/dL, while people not taking the drug increased their levels by 56.5 mg/dL.

When and How to Take Prandin

General considerations for when and how to take this medication include the following:
  • Prandin comes in tablet form. It should be taken by mouth before each meal.


  • The medication can be taken up to a half an hour before each meal. If you skip a meal, you should also skip your dose of Prandin.


  • For the drug to work properly, it must be taken as prescribed. It will not work if you stop taking it.

Dosing Information

The dosage that your healthcare provider recommends will vary, depending on a number of factors, including:
  • How well your diabetes is controlled
  • Other medical conditions you may have
  • Other medications you are currently taking.
As is always the case, do not adjust your dose unless your healthcare provider specifically instructs you to do so.
(Click Prandin Dosage for more information.)

Side Effects of Prandin

As with any medicine, side effects are possible with Prandin. However, not everyone who takes the drug will have problems. In fact, most people tolerate it quite well. If side effects do occur, in most cases, they are minor and either require no treatment or can be easily treated by you or your healthcare provider. Serious side effects are less common.
The most common side effects of Prandin include:
  • Low blood sugar (hypoglycemia) 
  • Upper respiratory tract infections (similar to the common cold)
  • Headaches.
(Click Prandin Side Effects to learn more, including potentially serious side effects to look out for.)
Diabetes Tips for Seniors

Prandin (Repaglinide)

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