Clinical Fun Facts Flashcards
Drugs that INCREASE calcium
Thiazides, Ca, Vit D
Drugs that DECREASE calcium
heparin, bisphosphonate, loop diuretics
Drugs that DECREASE Mg
PPIs, loop diuretics
Drugs that INCREASE potassium
AE/ARB, K-sparing diuretics, aliskiren
Canagliflozin
Cyclosporine/tacrolimus
Enzalutamide
Drugs that DECREASE sodium
SSRIs, loops, carbamazepine, oxcarbazepine
Drugs that DECREASE bicarbonate
topiramate
Drugs that INCREASE bicarbonate
loops
The major CYP3A4 Inducers
St John's wort Phenytoin Oxcarbazepine Rifampin Carbamazepine Smoking Phenobarbital
The major CYP3A4 inhibitor
Protease inhibitors Azoles Cimetidine, cyclosporine, clarithromycin Macrolides (not azithro) Amiodarone Non-DHP CCBs Grapefruit
Agranulocytosis means???
Decrease in multiple cell lines
Gaussian distribution
NORMAL distribution
__ % of data within 1 SD
68%
Type I error is false negative or false positive?
False positive (a)
Type II error is false negative or false positive?
False negative (B)
Relative risk v relative risk reduction
RR = rate in treatment v rate in control RRR = 1 - RR (% less likely in treatment group)
Odds ratio
Odds of outcome WITH prior exposure v WITHOUT prior exposure
Expected/unexpected (so exposure+ x no exposure neg/exposure- x no exposure+)
Sensitivity
# true positive/#w/condition Good sensitivity = no false negatives
Specificity
# true negative/# without condition Good specifity = no falsae positives
Case control study??
Patients with a disease compared to those without the disease (retrospective)
Cohort study??
Patients with exposure compared to those without exposure (prospective!)
Which is better - cohort study or case control?
Cohort b/c it is prospective
Cost minimization?
Equal outcomes so which one is cheapest
Cost-benefit analysis?
Benefits - costs –> but the benefits have to be measured in dollars
Cost-effectiveness analysis?
Which gets the best outcome per dollar - but both have to have the same outcome measurement
Cost-utility analysis?
Assesses outcomes including quality of life/morbidity assessment
Which pharmacoeconomic analysis is most commonly used?
Cost-effectiveness analysis
Antipsychotics do better at treating positive or negative symptoms??
Positive symptoms
Some drugs that cause psychosis?
Anticholinergics Cannabis Dextromethorphan Dopamine agonists (Sinemet, Requip, Mirapex) Interferons Stimulants Steroids
Invega Sustenna (drug and timeframe)
Paliperidone - q4weeks
Abilify Maintenna (drug and timeframe)
Aripiprazole - q4weeks
Risperdal Consta (drug and timeframe)
Risperidone - q2weeks
Haldol Decanoate (drug and timeframe)
Haloperidol - q4weeks
Invega Trinza (drug and timeframe)
Paliperidone - q12weeks
Only after 4 months on Sustenna
Black-box warnings for all of the antipsychotics?
Worsening symptoms in patients with dementia
Stroke
Chlorpromazine - what potency?
Low potency
Thioridazine - what potency?
Low potency
Side effect of thioridazine
QTc prolongation
Side effect of loxapine
bronchospasm
Loxapine potency?
Moderate potency
What is the difference between ADEs for high and low potency antipsychotics?
High potency - moderate sedation and EPS
Low potency - more CNS effects and anticholinergic effects
Haloperidol - what potency?
High potency
Fluphenazine - what potency?
High
Thiothixene - what potency?
High
Trifluoperazine - what potency?
High
Perphenazine - what potency?
Moderate
Which of the T-drug antipsychotics causes QT prolongation?
Thioridazine
What are the EPS effects?
Dystonia Akathisia Parkinsonism Tardive Dyskinesia Dyskinesia
Which of the EPS are irreversible?
tardive dyskinesia (lip smacking)
What population is most likely to experience dystonias?
Young males
How to treat Dystonia?
Diphenhydramine and benztropine
How to treat Parkinsonism?
Anticholinergics or propranolol (for tremors)
How to treat TD?
Stop drug and switch to low risk
How to treat akathisia?
Anticholinergics, propranolol, benzos (b/c akathisia has anxiety)
Non-EPS side effects of antipsychotics?
Leukopenia, neutropenia, agranulocytosis Seizures CV - increased HR, orthostatic hypotension Sexual dysfunction bronchospasms (Loxapine)
Which of the antipsychotics has the most cardiovascular effects?
IV haloperidol
What 2nd gen APs cause the most metabolic effects?
Clozapine, olonzapine, quetiapine
Which 2nd gen antipsychotic has lowest EPS?
Quetiapine
Which 2n gen antipsych causes QT prolongation?
Ziprasidone
Which 2nd gen antipsych increase procalcitonin?
Risperidone and paliperidone
What are the requirements to use clozapine?
Two treatment failures, at least 1 a 2nd generation
How long is an adequate trial of antipsychotics?
4-6 weeks
Tell me about asenapine
Sublingual 2nd gen antipsychotic
Metallic aftertaste
Tell me about aripiprazole
AKA Abilify
Comes in IM long-acting Maintenna
Causes INSOMNIA, anxiety, akathisia
(Only one that’s insomnia)
Tell me about lurasidone
2nd Gen antipsychtoic
Latuda
Neutral metabolic effects
W/food
Tell me about olanzapine
Metabolic effects
CYP3A4 - smoking decreases conc
Sedation
Relprevv q2-4week injection, ODT
What’s special about Relprevv
Olanzapine IM injection - requires monitoring for 3 hours after injection
Tell me about Paliperidone
Invega
Ghost tablets in stools
Increases procalcitonin, EPS
Tell me about quetiapine
Seroquel
Lowest EPS
Metabolic effects, somnolence
Without food or <=300kcal for XR
Tell me about risperidone
Risperdal
EPS, increased procalcitonin levels
Tell me about ziprasidone
Geodon
Increased QTc
Take WITH food
What drug is used for psychosis with PD?
Pimavanserin
What drugs are used for TD?
Valbenazine (VMAT inhibitor)
Deutrabenazine
What are symptoms of neuroleptic malignant syndrome?
Hypertension, muscle rigidity, increase HR/BP/RR
Treatment of neuroleptic malignant syndrome?
Stop drug
Cool off with ice
Dantrolene/benzos for muscle relaxation
Progestin-only pills have what administration requirements?
Within 3 hours of the same time - or else need 48 hours of alternative contraception
What populations are good for POPs?
After childbirth - can be used with breastfeeding
Patients with migraine w/aura (estrogen contraindicated due to stroke risk)
What is the active ingredient in Depo-Provera
Medroxyprogesterone
what is unique about Xulane?
Has higher AUC –> increased thrombotic risk
Contraindications of estrogen?
h/o DVT/stroke, migraine w/aura, breast/ovary/liver cancer
uncontrolled htn
What’s special about drospirenone?
Progestin component - with highest VTE risk, lowest water retention/bloating, increases K+
ADE of medroxyprogesterone
Decreased BMD (supplement with Ca/Vit D)
How long medroxyprogesterone be used?
3 years
How long should back-up contraception be used after starting COC?
7 days
or 0 days if started w/in5 days of menses
What is the weight limit for the patch?
198 pounds
Which contraceptive needs back up x 1 week unless started on day 1 of menses?
Nuvaring
Water or oil-based lubricants?
water
What are 3 emergency contraceptives?
Paragard (within 5 days)
Plan B (levonogestrel x1 or x2 within 3 days or 5 off-label)
Ella (Ulipristal acetate within 5 days)
ADEs of Plan B
NAUSEA
ADEs of Ella
HA, nausea, abdominal pain
Delays ovulation - so period can be weird
1st-line treatment for female infertility
Clomiphene - SERM
2nd-line treatment for female infertifility
Gonadotropins (ie FSH/LH)
What people need a reduction in PDE-5 starting dose?
> 65 years old
Taking CYP3A4 inhibitor
Have renal/liver dysfunction
—50% reduction
Time before sex of the PDE-5 inhibitors?
Sildenafil: 60 minutes
Tadalafil: 30 minutes
Aranafil: 15-30 minutes
Vardenafil: 60 minutes
Starting doses of PDE-5 inhibitors
Aranafil: 50-100 mg
Tadalafil: 10mg
Sildenafil: 50mg
Vardenafil: 10mg
What are the ADEs of PDE-5 inhibitors?
Headache, flushing, dizziness Priapism Hearing loss Vision loss Hypotension Impaired color discrimination Back pain
What class is aloprostadil?
PGE1
Storage requirement for aloprostadil?
Fridge
Treatment of hypoactive sexual desire disorder?
Flibanserin (Addyi)
Contraindication to Flibanserin
Alcohol
Cyp3a4 inhibitors
hepatic impairment
ADEs of filbanserin
Hypotension, fainting
What BUN:SCr ratio is dehydration
> 20:1
Which diuretic class increases calcium?
Thiazides
What drugs cause kidney disease?
Polymyxin Loop diuretics Vancomycin Aminoglycosides NSAIDs Amphotericin Radiographic dye Tacrolimus/cyclosporine Cisplatin
Who gets ACE-i’s and ARBs?
DM + Proteinuria (albuminuria >30)
HTN + Proteinuria
CKD
What %SCr increase after starting ACE/ARB needs to stop the drug?
30% increase
Which drugs needed renal adjustments?
Beta-lactams Fluconazole FQ Xarelto H2RAs metoclopramide Bisphosphonates
When is nitrofurantoin contraindicated?
CrCl <60mL/min
What drugs are contraindicated at CrCl <50mL/min?
IV voriconazole
TNF-DF
What drugs are contraindicated at CrCl <30mL/min
TNF-A
Rivaroxaban, dabigatran
NSAIDs
What drugs are contraindicated at eGFR <30?
Metformin
SGLT2-i’s
Which of the phosphate binders isn’t systemically absorbed?
Sevelamer (Renvela)
ADEs of calcium-based phosphate binders?
Increased calcium
ADEs of aluminum-based phosphate binders?
Al accumulation; dialysis dementia
ADEs of aluminum/ca free phosphate binders?
Contain iron - Ferric citrate and lanthanaum carbonate
Ferric citrate has iron absorption
N/V/D, constipation
Which Vitamin D is made in skin?
Cholecalciferol (D3)
Which vitamin D is made in plants?
Ergocalciferol (D2)
What is calcitriol?
Vitamin D3
What is cinacalcet?
calcimimetic that decreases PTH
Does cinacalcet increase/decrease Ca?
Decrease
Do Vit D analogs increase/decrease Ca?
Increase
What are requirements for using ESAs?
HgB <10 and must stop before >11 b/c of increased VTE risk
Drugs that increase K+
Drospirenone ACEs/ARBs/aliskiren Aldosterone antagonists Transplant drugs Bactrim Canagliflozin
Treatment for hyperkalemia
- Calcium gluconate (stabilize mycoardium)
- Push K intracellular
Insulin + Dextrose
Nebulized albuterol
Bicarbonate - Remove K+
Loops
Dialysis
Keyexalate/Na polystyrene sulfonate
(separate these from other drugs)
What bicarb level is metabolic acidosis
<22mEq/L
How to treat metabolic acidosis
Sodium bicarbonate
Sodium citrate
(Monitor Na)
What BMI indicates that a patient can use weight-loss therapy?
BMI >30
BMI >27 w/weight-related comorbidity
Tell me about Qsymia
Phentermine/Topiramate
Increase HR, hyperthyroidism, glaucoma
Taper due to seizure risk
Tell me about Contrave
Naltrexone/bupropion
BBW: Suicidal thinking in adolescents
CI: Opioid use, uncontrolled HTN, seizure disorder, anorexia, pregnancy
Caution w/psych disorders
Tell me about Belviq
Lorcaserin
Serotonin agonist
Warning for NMS, serotonin syndrome, hypoglycemia
Tell me about Saxenda
Liraglutide
Pancreatitis and medullary thyroid cancer and hypoglycemia and nausea
Tell me about Orlistat
Alli/Xenical
Alli available OTC
Requires 30% fat reduction from regular diet
ADEs: GI (flatus and fatty stools)
Requires ADEK supplement (but separate by 4 hours)
Tell me aout other sympathomimetics for weight loss
CI with CV disease, hyperthyroidism, glaucoma, pregnancy, drug abose
ADEs: HR/BP, agitation
How long can stimulant weight loss drugs be used?
12 weeks maximum
What sreening tool is used for Alzheimer’s and what score indicates cognitive impairment?
MMSE
Score <24
What natural products are used in alzheimer’s?
Ginkgo
Vitamin E
Vitamin D
ACHe Inhibitors ADEs
Decreased HR
Nausea (take in evening or use rivastigmine patch/ODT donepezil)
Insomnia (take in morning)
T/F: Memantine capsules can be sprinkled on food
TRUE – even though XR
What is the treatment order for Alzheimer’s?
- ACHe Inhibitors (ie donepezil)
2. Can add memantadine for mod-severe alzheimer’s OR can use memantadine as monotherapy
What are the acetylcholine esterase inhibitors?
Rivastigmine (Donepezil)
Donepezil (Aricept)
Galntamine (razadyne)
Name of donepezil + memantadine?
Namzaric
Which systemic steroid is used to treat Addison’s Disease?
Fludrocortisone
What are symptoms of Cushing’s syndrome? (the ones you don’t normally remember)
Glaucoma Acne Cataracts Hypothyroidism Stretch marks Poor bone health Hirsuitism Irregular periods
Equivalency of Steroids
Cortisone: 25 (short-acting) Hydrocortisone: 20 Prednisone: 5 (Intermediate-acting) Prednisolone: 5 Triamcinolone: 4 Methylprednisolone: 4 Dexamethasone: 0.75 (long-acting) Betamethasone: 0.6
What dose of systemic steroid causes immunosuppression?
20mg prednisone/day for 2 weeks
or >2mg/kg/day for 2 weeks
First-line treatment for RA
Methotrexate
ADEs/warnings of methotrexate
Trexall
Hepatotoxicity, teratogenic, mucositis/stomatitis, immunosuppression
N/V/D, alopecia, arthralgia/myalgia
Avoid alcohol
What does folate do with MTX?
Reduces hematologic toxicities
How is MTX dosed for RA?
weekly!
Hydroxychloroquine ADEs/BBW?
Irreversible retinopathy
Sulfasalazine ADEs?
Yellow/orange discoloration of skin/urine
SULFA allergy
Leflunomide ADEs?
Teratogenic - requires REMS and 2 birth controls
Hepatotoxicity
How long do you have to wait before conceiving after on leflunomide?
2 years - unless you use cholestyramine/activated charcoal to increase clearance
What are the anti-TNF DMARDs?
Etanercept (Enbrel) Certolizumab Pegol (Cimzia) Adalimumab (Humira) Infliximab (Remicade) Golimumab (Symponi)
Which anti-TNFs are IV?
Golimumab and Remicade
Both require filter
Remicade requires NS
Which anti-TNFs can only be given with MTX?
Remicade and Symponi
Which Anti-TNF SC is given weekly?
Enbrel
Which Anti-TNF SC is given monthly?
Golimumab
What are the warnings for all anti-TNFs?
Demyelinating disease, reactivation of Hep B, worsening HF, hepatotoxicity, DILE Latent TB infections Malignancies Serious infections Avoid live vaccines
Where can the anti-TNFs be injected?
Humira: Abdomen/thigh
Etanercept/golimumab: abdomen, thigh, upper arm
What class are tofacitinib and baricitinib?
JAK inhibitors
ADEs of infliximb?
Other Anti-TNFs + infusion reaction (premedicate with APAP, antihistamine, and steroid) and delayed HSR
Other Biologic DMARDs for RA (besides TNFs)
Rituximab (anti-CD20, use with MTX, pre-medicate) Anakinra (IL-1 antagonist) Abatacept (CD80/CD86) Tocilizumab (IL-6) Sarilumab (IL-6)
Which RA meds require screening for Hep B reactivation before use?
Rituximab
Anti-TNF
Malar butterfly rash is a sign of what?
Systemic lupus erythematous (SLE)
Drugs that induce lupuse
Methimazole Methyldopa Minocycline Isoniazid TNF inhibitors Terbinafine Hydralazine Procainamide Propylthiouracil Quinidines
Belimimumab is used for???
Lupus
What vaccines in asthmatic kiddos?
Flu and Pneumovax-23
Prevnar-13 only if on high-dose steroids
Using albuterol more than _____ means step up in therapy needed
2 times/week
How many inhalations per albuterol inhaler?
200
except Ventolin can have 60
What is Xopenox?
Levalbuterol (r-isomer of albuterol)
ADEs of ICS?
Dysphonia, thrush
Which ICS can be nebulized?
Pulmicort (budesonide)
Serevent?
Salmterol
Spiriva?
Tiotropium
Symbicort?
Budesonide/formoterol
Advair?
Fluticasone/salmeterol
Dulera?
Mometasone/formoterol
Breo?
Fluticasone/vilanterol
Which MDIs should NOT be shook?
QVAR, Respimat
Dose of montelukast (by age)
Adult: 10mg
Child 1-4: 4mg
Child 5-14: 5mg
ADE of LTRAs?
neuropsychiatric events
How can montelukast granules be given?
- straight into the mouth
- into 5mL of breast milk/formula
- Into spoonful of carrots, rice, apple sauce, or ice cream
what are the LTRAs(drugs)?
montelukast
zafirlukast
zileuton
Theophylline MOA?
Blocks phosphodiesterase to increase cAMP
Thophylline TDM?
Peak of 5-15mcg/mL
Thophylline toxicity
Arrhythmias, vomiting, seizures
What drugs can increase theophylline?
Cipro
Zafirlukast
Zileuton
What drugs can decrease theophylline?
CYP3A4 inducers, ritonavir, high-protein diet and charbroiled meat
Omalizumab MOA? and place in therapy?
IgE binding inhibition - allergic asthma
What is omalizumab counseling note??
Has to be given in HEALTH CARE SETTING every single time
What are IL5 antagonists for?
Eosinophilic asthma
T/F: LABAs can be used for exercise-induced asthma
True - use salmeterol 30 minutes before exercise
T/F: Spacers help prevent thrush
True
PFM directions for use (when to use)
In the morning BEFORE taking medications
How to use PEFR?
Compare personal best to daily - need treatment if less than 80% of PB
How long can an open package of Pulmicort Respules last?
2 weeks
Washing MDIs?
Warm water - but NO water for symbicort/dulera
Washing DPIs?
No water!
When should you refer kiddos to urgent care (what temperature)?
<3 months: 100.4
3-6 months: 101
>6 months: 103
What is a healthy APGAR store and when is it measured?
1 minutes and 5 minutes after birth
Healthy: 7-10
What medication is given at birth to prevent bleeding?
IM Vitamin K
What can help PDA close?
NSAIDs given within 14 days of birth
Respiratory distress syndrome is caused by deficiency of _____ which should be replaced in most babies born
Surfactant
<35weeks
What is nuchal rigidity?
Inability to bend the neck