Assessment of dehydration in a patient with diarrhoea
Clinical signs
General condition
Well, alert
“Restless, irritable”
“Lethargic or unconscious”, floppy.
Eyes
Normal
Sunken
Very sunken and dry
Tears
Present
Absent
Absent
Mouth and Tongue
Moist
Dry
Very dry
Thirst
Drinks normally, not thirsty
“Thirsty, drinks eagerly”
“Drinks poorly” or not able to drink
Skinpinch
“Goes back quickly”
“Goes back slowly”
“Goes back very slowly”
Decide dehydration status
The patient has no signs of hydration
If the patient has two or more signs, including one (key) sign, then there is some dehydration
If the patient has two or more signs, including one (key) sign, there is severe dehydration.
Treatment plan
Plan-A
Plan-B
Plan-C
Composition and concentration of WHO/UNICEF recommended oral dehydration salts (ORS)
Ingredients
Composition (Grams/L)
Concentration (mEq/L)
Sodium chloride
3.5
Sodium
90
Potassium chloride
1.5
Chloride
80
Trisodium citrate anhydrous
2.9
Citrate
10
Glucose (anhydrous)
20.0
Glucose Osmolality
111 mmol/L311
Note: Soda bicarb is not recommended now.
Guidelines for replacement of fluid and electrolytes in children with ‘No dehydration’ (Plan-A)*
Age
After each loose stool, offer
< 6 months
Quarter glass or cup (50mL)
7 months - 2 years
Quarter to half glass or cup (50-100 mL)
2 - 5 years
Half to one glass or cup (100-200mL)
Older Children
As much as the child can take.
* Fluids which can be used include ORS, lemon water, butter milk, rice kanji, lentil soup, light tea etc. ORS in Plan-A treatment is optional only.
Deficit fluid therapy for ‘Severe dehydration’ (Plan-C) (100 mL/kg body weight)
Age
Type of Fluid
Volume of Fluid and Duration
Monitoring
Infants < 1 year
Ringer’s lactate
30 mL/kg body weight within first hour, followed by 70 mL/kg body weight 70 mL/kg body weight over next 5 hours
Reassess after every:
1-2 hours
* if not improving, give IV drip more rapidly.
* encourage oral feeding by giving ORS 5 mL/kg / hour, alongwith IV fluids, as soon as child is able to drink.
Children > 1 year
Ringer’s lactate
30 mL/kg body weight within 1/2 hour, followed by 70 mL/kg/body weight over next 2 1/2 hours.
Reassess hydration status :
* After 6 hours (infants) and 3 hours (older children) assess hydration appropriate plan for hydration (Plan-A, B and C)
Antimicrobials used to treat specific causes of diarrhoea in children
Causes
Drugs of Choice
Doses
Cholera
Tetracycin
Furazolidone
or
Trimethoprim (TMP)-sulfamethoxazole (SMX)
30 mg/day in 4 divided doses x 2-3 days
5 mg/kg/day in 4 divided doses x 3 days
TMP 5mg/kg and SMX 25mg/kg, in 2 divided doses x 3 days
Dysentery
Trimethoprim (TMP)-
sulfamethoxazole (SMX)
or
Nalidixic acid
or
Ampicillin
TMP 5mg/kg and
SMX 25 mg/kg in 2 divided doses x 5 days