What Does T.I.D. Mean in Medical Terms: Abbreviation

If you’ve ever been to the doctor, you’ve probably heard the term “T.I.D.” thrown around a lot. But what does it mean? In this post, we will discuss this term in detail.

What Does TID Mean in Medical Terms?

T.I.D. is an abbreviation for “ter in die,” which means three times a day. So, if your doctor prescribes a medication that is to be taken T.I.D., you should take it three times a day.

For example, if a doctor prescribes a medication to be taken T.I.D., and the patient takes the first dose at 8:00 AM, they will ideally bring the next dose at 12:00 PM (noon) and then again at 8:00 PM. Of course, life happens, and sometimes it’s impossible to stick to that schedule perfectly. However, it’s generally best to take medication as close to the prescribed interval as possible.

T.I.D. can also be written out as “tds” or “tds” on a medical chart. You might also see it abbreviated as QID, which stands for “four times daily.”

What is the Importance of TID?

It can be easy to forget to take your medication three times a day, especially if you’re taking multiple medications with different dosing schedules. That’s why it’s essential to develop a medication schedule and stick to it as best as possible. Some people find it helpful to set alarms on their phones or keep their medications in a pill box with each day of the week labeled. Others find it beneficial to take their medications at mealtimes so they don’t forget.

Frequently Asked Questions:

1. What does ‘tid’ stand for in medical terms?

Tid is “ter in die,” Latin for “three times a day.” It is commonly used as a dosage instruction on prescription labels and other medical documents.

2. How many doses of medication are prescribed when ‘tid’ is written?

When tid is written, a patient should take three doses of the medication throughout the day.

3. What are some other common abbreviations used in medical terms?

Other standard abbreviations include BID (twice daily), QID (four times daily), QHS (every night at bedtime), and PRN (as needed).

4. Is ‘tid’ used for other purposes besides medication instructions?

Yes, tid is also used to refer to a patient’s temperature, pulse rate, and respiration rate taken three times a day.

5. How can I remember what ‘tid’ stands for?

One way to remember is that the abbreviation “TID” sounds similar to the word “time,” when you break down the Latin translation, it means three times a day.

6. Are there any special considerations I should consider when taking a medication ‘tid’?

Yes, taking the medication at evenly spaced intervals throughout the day is essential, and remember to never double up on doses.

7. Is there any difference between taking a medication ‘bid’ or ‘tid’?

The main difference is that with bid, medications should be taken twice a day while you should take tid medications three times a day.

8. What if I forget to take my medication at one of the ‘tid’ intervals?

If you forget to take your medication at one of the tid intervals, you must contact your doctor or pharmacist for advice on how to proceed.

9. Are there any other terms I should be aware of when taking medications?

Yes, some other common terms include “AC” (before meals), “PC” (after meals), and HS (at bedtime).

10. Is it important to follow ‘tid’ instructions exactly?

Yes, following the tid instructions precisely as your doctor prescribes is important. Doing so will help ensure you get the optimal benefit from the medication. It is also essential to consult your healthcare provider first before changing dosage amounts or frequencies.


If you’ve ever wondered what TID means in medical terms, now you know! TID stands for “three times daily” and refers to taking a medication thrice daily at regular intervals. This is done to maintain a consistent level of the drug in your body to work effectively without building up or wearing off too quickly. Don’t double up if you have been prescribed a TID medication and missed a dose! Just resume taking the medication at your next scheduled dose and continue.

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