Chapter 57: Weight loss Flashcards
BMI for an overweight person
25-29.9 kg/m2
BMI for an obese person
> / = 30 kg/m2
Key drugs/conditions that can cause weight gain
- Antipsychotics (e.g., clozapine, olanzapine, risperidone, quetiapine)
- Diabetes drugs (insulin, meglitinides, SU, TZDs)
- Divalproex/valproic acid
- Gabapentin, pregabalin
- Lithium
- Mirtazapine
- Steroids
- TCAs (e.g., amitriptyline, nortriptyline)
- Conditions: hypothyroidism
Physical activity should increase to > / = ___ minutes per week, performed on __-__ separate days
150 minutes
3-5 days
OTC weight loss supplements commonly contain stimulants, such as
bitter orange
and/or excessive amounts of caffeine
What other names can caffeine be packaged under
Guarana
concentrated green tea powder
When are prescription weight loss meds indicated
BMI > / = 30 kg/m2
or a BMI > / = 27 kg/m2 with at least one weight-related condition
such as
- dyslipidemia
- HTN
- diabetes)
Weight loss meds are only used in addition to
a dietary plan and increased physical activity
Which newer agents for weight loss can be continued long-term for weight maintenance
Qsymia
Contrave
Saxenda
orlistat formulations
Which 5-HT2C receptor agonist has been withdrawn from the US market due to an increased risk of cancer
Lorcacerin (Belviq, Belviq XR)
When should weightloss drugs be d/c
if they do not produce at least a 5% weight loss at 12 weeks
Key drugs/conditions that can cause weight loss
- ADHD drugs (e.g., amphetamine, methylphenidate)
- Bupropion
- GLP-1 agonists (e.g., exenatide, liraglutide)
- Pramlintide
- Roflumilast
- SGLT2 inhibitors (e.g., canagliflozin, empagliflozin)
- Topiramate
- Conditions: hyperthyroidism, celiac disease, inflammatory bowel disease
Which weight loss drugs can be used in pregnancy
NONE - AVOID
Which weight loss drugs should be avoided in HTN
Contrave
CI with uncontrolled BP (contains bupropion)
Which weight loss drugs should be used with caution in HTN
Qsymia
monitor HR (contains phentermine)
Which weight loss drugs should be used with caution in young adults and adolescents with depression
Contrave - suicide risk (contains bupropion)
Which weight loss drugs should be avoided in seizures
Contrave - lowers seizure threshold (contains bupropion)
Which weight loss drugs should be used with caution in seizures
Qsymia
must taper off slowly if used (contains topiramate)
Which weight loss drugs should be avoided if taking opioids
Contrave
blocks opioid receptor (contains naltrexone)