What is the meaning of the abbreviation "o.d." in medication dosage?

The abbreviation "o.d." stands for "once daily," indicating that a medication should be taken one time each day. This is important for dosage scheduling, as it helps in maintaining a consistent level of the medication within the body throughout the day. Proper understanding of dosage instructions is crucial for ensuring effective treatment while minimizing the risk of underdosing or overdosing. Other abbreviations in medicine can signify different instructions, but in this case, "o.d." specifically denotes a daily dosage frequency, which is vital for adherence to medication regimens.