The medical abbreviation "tid" stands for "ter in die", which is a Latin phrase that means "three times a day". In medical settings, "tid" is often used as an instruction to take a medication or treatment three times a day, typically at regular intervals throughout the day.
For example, a patient might be instructed to take a medication "tid" for a week to treat an infection, meaning they should take it three times a day for seven days. The specific timing of the doses might vary depending on the medication and the patient's individual needs.
It's important to follow the instructions for taking medications "tid" carefully, as missing doses or taking them at the wrong times can affect their effectiveness. If you have any questions or concerns about your medication schedule, it's important to talk to your healthcare provider.