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Which 5-HT2C receptor agonist has been withdrawn from the US market due to an increased risk of cancer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)