BD stands for "Bis in Die," a Latin phrase that means "twice a day." It is a commonly used prescription abbreviation in medical practice and indicates that a medication should be taken two times daily as directed by a doctor or healthcare professional.
For example, if a prescription says "Take 1 tablet BD," it means the patient should take one tablet twice a day, usually at evenly spaced intervals. The exact timing may vary depending on the medication and the instructions provided by the prescribing physician or pharmacist.
Medical professionals use abbreviations such as BD to communicate dosage instructions clearly and efficiently on prescriptions, medication charts, and hospital records. Many of these abbreviations are derived from Latin and have been used in healthcare for decades.
Some other common medical abbreviations include:
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OD – Once daily
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BD – Twice daily
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TDS – Three times daily
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QID – Four times daily
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PRN – As needed
Understanding these abbreviations can help patients follow their treatment plans correctly and avoid confusion about medication schedules. However, it is important to remember that dosage instructions may differ depending on the medicine, medical condition, and individual treatment plan. Patients should always follow the guidance provided by their doctor or pharmacist.
The abbreviation BD is commonly seen on prescriptions, medication labels, pharmacy instructions, and hospital medication records. It helps ensure that healthcare providers communicate dosing schedules consistently and accurately.
In medical terminology, BD means "Bis in Die" or "twice daily." Therefore, whenever you see BD written on a prescription, it indicates that the medication should be taken two times a day according to the instructions of a qualified healthcare professional.
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Dr. Aarav Gupta is a practising physician with over 8 years of clinical experience, specialising in general medicine and dermatology-adjacent wellness. He holds an MBBS from All India Institute of Medical Sciences (AIIMS), New Delhi, and an MD in General Medicine from the same institution — credentials that place his health and beauty writing on a foundation of verified medical knowledge. His content covers evidence-based skincare, preventive health, nutrition, mental wellness, and the science behind beauty trends that are too often reported without clinical context. His work has been published on platforms including HealthShots, OnlyMyHealth, and Lybrate, where he contributes medical reviews, explainers, and practical health guidance grounded in current clinical evidence. With 8+ years of patient-facing practice behind his writing, Dr. Gupta brings a perspective that is rarely found in health and beauty content — one shaped by real clinical encounters, not just research papers. He is a registered member of the Indian Medical Association (IMA) and has spoken on health literacy and responsible medical communication at platforms including the India Health Summit. Across all his work, his standard remains consistent — every claim is grounded in medical evidence, every recommendation is one he would make to a patient, and no trend is reported without clinical scrutiny.

