When the label on a drug says, “Take with food,” does that mean take it before, during, or after eating, and what’s the time frame? And how much food?

That instruction is given if a drug is better absorbed when accompanied by food or if the drug (such as some antibiotics and pain relievers) is less likely to cause stomach upset when there’s food in the stomach with it.

As far as absorption goes, you can take the drug right before, right after, or while you are eating any amount of food. This is true for the prevention of stomach upset as well, but taking the drug right after a full meal is usually most effective for this purpose.

You can keep things simple and always take such drugs right after a full meal, or you can see which timing and amount of food work for you (this may differ for different drugs). Some drugs should be taken on an “empty stomach,” which generally means at least one hour before eating or two hours afterward.

For specific information about the best way to take your particular drug, especially if food affects its absorption or action, ask your pharmacist.