Obesity Flashcards
BMI??
Measures if you’re of healthy weight for your height
Nit a definitive measure
Obesity- what is it??
What is the BMI??
Linked diseases??
Overweight with lots of body fat
BMI > = 30
CVD, type 2 diabetes, depression
Why is BMI not a definitive measure?
People that are V. Muscular can have a high BMI without excess fat
What is a better measure of excess fat?
Waist circumference - provides an indication of total body fat and the risk of obesity health related problems
What is the BMI to treat a patient over the counter??
BMI => 28kg/m2
How does orlistat work??
Potent Lipase inhibitor- prevents the absorption of dietary fat
Referral criteria- DO NOT GIVE IF TAKING!!
Levothyroxine ( reduced control of hypothyroidism)
Amiodarone ( decreased plasma levels)
Ciclosporin (decreased plasma levels)
Warfarin+ DOACs ( INR affected by low vitamin K)
Acarbose (not recommended for use)
Anti-epileptics (increased risk of convulsions)
Referral critirea- CONDITIONS
Tip: these conditions improve with weight loss. Lower doses of prescribed medications maybe needed
Diabetes Mellitus ( lowers blood sugars) Hypertension (lowers no) High cholesterol ( lowers cholesterol)
Other referral criteria - CONDITIONS
Chronic malabsorption syndrome Cholestasis (flow of bike from the liver is blocked) Pregnancy or breast feeding Kidney disease Failure to lose weight after 3 months
Which vitamins absorptions are affected by orlistat and why?
Vitamin ADEK - take vitamin supplements at night or 2 hours after orlistat dose!!!
It works by inhibiting dietary fat absorption which adversely affects the absorption of fat soluble vitamins!!
OTC PRODUCTS
POM to P
ORLISTAT (Alli)
OTC licensing
BMI?
AGE?
Max DURATION?
BMI => 28
Age: 18+
Max duration use: 6 months
What must you use orlistat in conjunction with?
Mildly hypocaloric lower-fat diet
How to take orlistat?
Take ONE 60mg capsule TDS BEFORE three main meals or up to 1 hour after.
When should you omit the dose of orlistat?
Omit dose if missed meal or meal fountained no fat
Side effects of orlistat
Oily stools
Faecal incontinence
How should patients avoid the side effects of orlistat?
Avoid food with high fat content
ADVISE for patients on orlistat
Orlsitat is not a substitute for a healthy diet or exercise
5 portions of fruit and veg a day
18-30g of fibre a day
2.5L of fluids everyday
Exercise 30mins/5 days a week
Alcohol 2-3 units a day interspersed with several alcohol free days. Max. 14units a week- men and women
Oral contraceptive advice
Advise additional protection if severe diarrhoea present with orlistat e.g condoms
