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For the drugs administered by oral and dermal route, the units of threshold dose are mg/kg body-weight/day (dose of the drug in mg per body weight in kg per day) or ppm (parts per million), while the threshold dose of drugs by inhalation delivery has the unit of mg/L 6h/day (amount of drug in mg in 1L of air, for 6 hours per day). [8]
Acceptable daily intake or ADI is a measure of the amount of a specific substance (originally applied for a food additive, later also for a residue of a veterinary drug or pesticide) in food or drinking water that can be ingested (orally) daily over a lifetime without an appreciable health risk. [1]
twice a day / twice daily bis in die gtt., gtts drop(s) gutta(e) h., h hour: hora: qhs, h.s., hs at bedtime or half strength quaque hora somni ii two tablets duos doses iii three tablets trēs doses n.p.o., npo, NPO nothing by mouth / not by oral administration: nil per os o.d., od, OD right eye. once a day (United Kingdom) oculus dexter omne ...
every day (once daily) (preferred to "qd" in the UK [10]) o.d. oculus dexter: right eye o can be mistaken as an a which could read "a.d.", meaning right ear, confusion with "omni die" o.m. omni mane: every morning omn. bih. omni bihora: every 2 hours omn. hor. omni hora: every hour o.n. omni nocte: every night OPD once per day o.s.
Subsequently, the National Academy of Sciences (NAS) reviewed the health implications of perchlorate, and in 2005 proposed a much higher alternative reference dose of 0.0007 mg/kg/day based primarily on a 2002 study by Greer et al. [6] During that study, 37 adult human subjects were split into four exposure groups exposed to 0.007 (7 subjects ...
A Duke University animal study funded by the Sugar Association [25] found evidence that doses of Splenda (containing ~1% sucralose and ~99% maltodextrin by weight) between 100 and 1000 mg/kg BW/day, containing sucralose at 1.1 to 11 mg/kg BW/day, fed to rats reduced gut microbiota, increased the pH level in the intestines, contributed to ...
Iron poisoning can occur when doses of 20 to 60 mg/kg or more of elemental iron is ingested with most cases reporting primarily gastrointestinal symptoms. [4] Systemic signs and symptoms shown in serious toxicity occur at higher doses exceeding 60 mg/kg. [5] Ingesting above 120 mg/kg may be fatal. [4]
100, 300, 600, and 900 mg/kg/day Reduced maternal body weight gain from 73 g in controls to 48 and 43 g in the 600 and 900 mg/kg/day dose groups, respectively. [42] Wistar Rats Oral (by gavage) 600 mg/kg bw/day Reductions in fetal plasma leptin levels and in fetal insulin levels. Prenatal exposure disrupts fetal testosterone production in male ...