Dosage by Weight

Vision can calculate how much of a liquid preparation should be prescribed based on the patients latest recorded weight:

1. Complete the Dosage section of the Therapy Add screen as follows:
   • [ dosage per weight(mg/kg) : drug strength(mg/ml) ]
   • Followed by the dosage term eg [25:30] TDS.

   Compatible Dosage Terms are:

   Daily, Twice A Day, Three Times Daily, Once A Day, Twice Daily, n Times Daily, Once Daily, Three Times A Day, Four Times Daily, Or their standard abbreviations.

   Note – The dosage per weight, where available, is found in the Product Information section of the Select Drug screen.

2. Enter the number of treatment days into Treat Days.
3. Click OK.
4. The Dosage by Weight window displays detailing:
   • Drug selected
   • Dosage you have entered
   • Last recorded weight of the patient with the date it was recorded
   • Dosage calculation
   • Quantity calculation
5. If the patient is 30 years old or under Dosage By Weight displays an average weight for the age of the patient in addition to the latest recorded weight.

   Average Weight is based on:

Age	Average Weight (Kg)	Age	Average Weight (Kg)
0 Months Old	5	10 Years Old	31
1 Months Old	5	11 Years Old	34
2 Months Old	5	12 Years Old	38
3 Months Old	7	13 Years Old	45
4 Months Old	7	14 Years Old	55
5 Months Old	7	15 Years Old	60
6 Months Old	8	16 Years Old	62
7 Months Old	8	17 Years Old	62
8 Months Old	8	18 Years Old	63
9 Months Old	9	19 Years Old	64
10 Months Old	9	20 Years Old	65
11 Months Old	9	21 Years Old	67
1 Years Old	9	22 Years Old	67
2 Years Old	12	23 Years Old	70
3 Years Old	14	24 Years Old	70
4 Years Old	16	25 Years Old	73
5 Years Old	18	26 Years Old	73
6 Years Old	20	27 Years Old	76
7 Years Old	22	28 Years Old	76
8 Years Old	25	29 Years Old	79
9 Years Old	28	30 Years Old	79

1. If no previous weight has been entered on the patient record, the Dosage By Weight screen displays No recorded weight for patient and is therefore unable to determine the dosage or amount to supply.
2. If you want to enter a new weight record click Add Weight. Enter the new weight into Weight – Add and click OK.
3. Click OK to accept and save the dosage and quantity calculations, or click Cancel to skip the calculation and enter the quantity manually.