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Pregabalin is eliminated by the kidneys in the urine, mainly in its unchanged form. [12] [11] It has a relatively short elimination half-life, with a reported value of 6.3 hours. [12] Because of its short elimination half-life, pregabalin is administered 2 to 3 times per day to maintain therapeutic levels. [12]
Gabapentin at a low dose of 100 mg has a T max (time to peak levels) of approximately 1.7 hours, while the T max increases to 3 to 4 hours at higher doses. [1] The T max of pregabalin is generally less than or equal to 1 hour at doses of 300 mg or less. [1]
An equianalgesic chart is a conversion chart that lists equivalent doses of analgesics (drugs used to relieve pain). Equianalgesic charts are used for calculation of an equivalent dose (a dose which would offer an equal amount of analgesia) between different analgesics. [1]
The saline cools the person's whole body by lowering the temperature of a person's blood. Catheters reduce temperature at rates ranging from 1.5 to 2 °C (2.7 to 3.6 °F) per hour. Through the use of the control unit, catheters can bring body temperature to within 0.1 °C (0.18 °F) of the target level.
In single-dose scenarios, the patient's body weight and the drug's recommended dose per kilogram are used to determine a safe one-time dose. If multiple doses of treatment are needed in a day, the physician must take into account information regarding the total amount of the drug which is safe to use in one day, and how that should be broken up ...
per vaginam: vaginally q quaque: every, per q.1 h, q.1° quaque 1 hora: every 1 hour (can replace 1 with other numbers) q4PM at 4:00 pm (can replace 4 with other numbers) mistaken to mean every 4 hours q.a.d. quaque alternis die: every other day q.a.m. quaque die ante meridiem: every morning (every day before noon) q.d./q.1.d. quaque die: every day
The DDD of combination tablets (containing more than one drug) is more complex, most taking into account a "unit dose", though combination tablets used for high blood pressure take the number of doses per day into account. [1] The formula for determining the dose is: [1]
The dose values are divided by the maximum dose, referred to as d max, yielding a plot in terms of percentage of the maximum dose. Dose measurements are generally made in water or "water equivalent" plastic with an ionization chamber , since water is very similar to human tissue with regard to radiation scattering and absorption.