obesity Flashcards
what are the classes of obesity
Healthy weight— BMI of 18.5–24.9 kg/m2
Overweight — BMI of 25–29.9kg/m2
Obesity l — BMI of 30–34.9kg/m2
Obesity ll — BMI of 35–39.9kg/m2
Obesity lll — BMI of 40kg/m2or more
genetic conditions connected to obesity
Genetic syndromes associated with hypogonadism (for example Prader-Willi syndrome andLaurence-Moon-Biedl syndrome).
Hypothalamic damage (for example due to a tumour, trauma, or surgery).
Polycystic ovary syndrome.
Growth hormone deficiency.
Cushing’s syndrome.
Hypothyroidism.
medications which cause or a linked to obesity
Pizotifen.
Beta-blockers.
Corticosteroids.
Lithium.
Antipsychotics — especially atypical antipsychotics e.g. aripiprazole
Anticonvulsants — sodium valproate, gabapentin, vigabatrin.
Antidepressants — tricyclics, mirtazapine, monoamine oxidase inhibitors (MAOIs).
Insulin — when used in the treatment of type 2 diabetes.
Oral hypoglycaemic drugs — sulphonylureas, thiazolidinediones (glitazones).
how to determine if a patient is obese or overweight
- use clinical judgement to decide when to measure a persons height and weight
- approach the subject carefully
- calculate the persons bmi
- interpret the bmi
- consider waist circumference in addition to to bmi in people with a bmi of less than 35
orlistat 60mg p medicine
- whilst taking orlistat the patient should be on a nutritional balanced, mildly hypocaloric diet that contains 30% of calories from fat
caution with orlistat
- reduces the availability of oral contraceptive- advise additional contraceptive method if they experience severe diarrhoea
- may impair the absorption of fat soluble vitamins - advise patients to use at bedtime to help ensure adequate vitamin intake
- patients taking thses medications should be referred to their GP-amiodarone, oral anticoagulants (including warfarin), acarbose, antiepileptics, ciclosporin, levothyroxine.
when would you not supply orlistat
- chronic malabsorption syndrome
- cholestasis
- pregnant or breastfeeding
- children
- concurrent treatment with ciclosporin
side effects of orlistat
- experience gastrointestinal symptoms
such as oily leakage from rectum
flatulence
faecal urgency
fatty oily stools
if patients experience these symptoms then advise a lower fat diet and that such effects usually occur in the first few weeks and tend to settle with time
when will you refer to the gp
- patient taking medicine for diabetes
- patients taking hypertension or hyper cholesterolaemia
- patient taking amiodarone
- patient taking levothyroxine
patient taking antiepileptic med - patient been on orlistat for 6 months and longer
- unable to to lose weight after 12 weeks of treatment
- rectal bleeding while taking orlistat
- patient with kidney disease
what are the cations with orlistat
oral contraceptive - reduces the availability of oral contraceptive
- fat soluble vitamins a,d,e and k - it if you talk orlistat it impairs the absorption of these vitamins
if the patient is taking , ORAL ANTICOAGULANTS LIKE WARFARIN , ANDYIEPILEPTICS
what are prescription only medications for weight loss
- SAXENDA - to help u feel fuller and reduce cravings , it helps to regulate sugar levels