What does BDAC mean on a Doctor's Prescription?

Doctors write prescriptions using standard medical abbreviations derived from Latin. Understanding these helps you take your medicines safely and correctly. If your doctor has written 'BDAC' or 'BD a.c.' next to a medicine, here is what it means.

Question (Click to Flip)

What happens if I forget and take an AC medicine after food?

Answer

It may not absorb properly, reducing its effectiveness. If you forget, it's usually best to wait a few hours until your stomach is empty again, but you should consult your pharmacist.

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Key Facts

'Before meals' usually means you should take the pill 30 to 60 minutes before you start eating your food.

Always follow your doctor's or pharmacist's specific instructions. Do not guess.

1. Decoding the Abbreviation

BDAC is made of two separate Latin abbreviations combined together:

BD (Bis in Die): This means Twice a day (usually morning and evening).
AC (Ante Cibum): This means Before meals.

Therefore, BDAC means: Take the medicine twice a day, before eating food (on an empty stomach).

2. Why 'Before Meals'?

Certain medicines (like acid reflux pills, thyroid medication, or some antibiotics) must be taken on an empty stomach. If you take them with food, the food can block the medicine from being absorbed properly by your body, making it useless.

3. Other Common Abbreviations to Know

BD / BID: Twice a day.
TDS / TID: Three times a day.
OD: Once a day.
PC (Post Cibum): After meals. (So, BDPC would mean twice a day, after meals).
HS / BT: At bedtime.

Questions and Answers

What happens if I forget and take an AC medicine after food?+

It may not absorb properly, reducing its effectiveness. If you forget, it's usually best to wait a few hours until your stomach is empty again, but you should consult your pharmacist.

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