tid (on prescription)


If a medicine is to be taken every so-many hours, it is written “q_h”; the “q” standing for “quaque” and the “h” indicating the number of hours. So, for example, “2 caps q4h” means “Take 2 capsules every 4 hours.”

Read Also:

  • Tilt-table test

    Tilt-table testing involves placing the patient on a table with a foot-support. The table is tilted upward and the blood pressure and pulse are measured and symptoms are recorded with the patient in diverse positions. The tilt-table test is designed to detect postural hypotension (orthostatic hypotension), a condition that results from changing body position from […]

  • Time, prothrombin

    Coumadin, Panwarfin, Sofarin). It measures the time needed for clot formation after thromboplastin and calcium are added to plasma. Familiarly known as pro time.

  • Timothy syndrome

    A childhood disorder characterized by severe cardiac arrhythmia, syndactyly (webbing) of the fingers and toes, congenital heart disease, intermittent hypoglycemia (low blood sugar), cognitive abnormalities and autism. The syndrome is due to spontaneous mutation in the gene for the CaV1.2 calcium channel, a pore-like protein that nestles in the cell membrane and controls the flow […]

  • Tinea barbae

    A fungal infection (known as ringworm) of the bearded area of the face and neck, with swelling and marked crusting, often with itching. In the days when men went to the barber daily for a shave, tinea barbae was called barber’s itch. Treatment involves antifungal medications.

  • Tinea capitis

    A fungal infection (known as ringworm) of the scalp. This disorder occurs most commonly in children, especially those in late childhood and adolescence. It appears as scalp scaling associated with bald spots. Treatment involves antifungal medications.


Disclaimer: tid (on prescription) definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.