Extra Tips Flashcards
Weird long term metronidazole adr
Peripheral neuropathy
Hepatic encephalopathy
- lactulose
- Rifaxim
- Neomycin ( caution neuro tox)
- PO metronidazole
Lasix : spironolactone ratio
40:100
Weight and TCAs
Weight gain
Adjunctive antipsyches for depression
Abilify, symbyax, seroquel, brexpiprazole
Sodium oxybate reqs
REMs
Date rape drug
Narcolepsy with cataplexy
C3, xyrem
PAH tx
Positive Nitric oxide response
-CCB (no verapamil)
Negative: go to main drugs
PDE-5 inhibitor interactions
Cyp3A4 inhibitors!
Nitrates
Etoh!
Adempas info
Riociguat
PAH
REMs for pharmacy and Females
Monthly preganancy tests
Bosentan additional information
Male and female must enroll in REMs
I think more hepatotoxicity
Weird ADR of LTRAs
Neuropsychiatric events (mood and behavior )
Theophylline kinetics
Michaels-menton
Respimat
These are MDIs but don’t need to be shaken!
Exercise induced asthma
SABA
Albuterol Neb solution 0.083% vs 0.5%
0.5% must be diluted with 2.5 mL NS
Inhaler type of no suffix
MDI
Only DPI requiring priming
Flexhaler
Just before first use!
Ergots major interaction
CI with 3A4 inhibitors
Drugs to avoid if salicylate allergy
MESALAMINE, bismuth, sulfasalazine
MDIs that don’t need to be shaken
Respimat, Alvesco, Qvar redihaler, atrovent
CYP1A2 substrates
Caffeine, theophylline,
R-warfarin (less potent), fluvoxamine, olanzapine, clozapine
Minimum nicotine gum or lozenge to use
9 pc /day in first 6 wk
How to bupropion and Chantix work for smoking cessation
Both reduce cravings and withdrawal
Chantix is partial agonist and blocks reward affects associated with smoking
*no need to taper these
Is bupropion serotonergic?
Yes
Chantix adrs
Nausea (take with food and WATER), insomnia, seizures, headache, constipation, psychiatric effects
Possible rash/ SJS
Less know side effects of bupropion
Dry mouth
When to NEVER use cipro!
PNA!
MGL!!!
Can you use 1st gen antihistamines with MAOI?
Apparently not
Antihistamine in lactation
No first gen- use second gen
Fexofenadine info
Take with water NOT juice
-no al or mg products
Chem 7 fishbone
Na CL BUN
GLUCOSE
K CO2 scr
Vincristine extravasation
Warm compress
Menthol age req
Don’t use in children less than 2
Glaucoma drugs MOA
PG analogs: increase outflow Carbonic anhydrase: produc? BB; production Cholinergic: outflow Rho kinase: outflow Alpha agonists: both
Cholinergic effect on pupils
Constriction (mitosis)
Weird lamotrigine ADR
Hair loss
Give zinc or selenium
Levetiracetam ADR
Psychiatric reactions, rash, anemias
Renal dose < 80
AEDs causing hyperammonium
Topiramate and valproate
Topiramate max and renal dose
Max: 400/ d
50% for crcl < 70
Valproate vitamin supplementation
Carnitine for hyperammonium
Valproate DR to ER
Increase daily dose 8-20%
Carbamazepine level
4-12
AED IV: PO 1:1
Phenytoin, levetiracetam, lacosamide
When to stick with same manufacturer
AEDs, thyroid
PO acyclovir consideration
Take with water to avoid kidney stone
Acid base issues with diuretics and RASS inhibitors
Thiazides/loops: metabolic alkalosis
K+ sparing: metabolic acidosis
RASS: metabolic acidosis
Cardio selective beta blockers
AMEBBA
+ nebivolol (added Nitric oxide )
When are CCB CI
Acute MI (both DHP and Non-DHP)
If BB use only non-DHP CI
If HF both CI- if normal EF non-DHP ok
Clopidogrel dose
75 mg Qd
Preganancy BG goals
Fasting <95
Post prandial <120-140
Should diabetes patients get live vaccine
No
Urine albumin:scr ratio in kidney dx
> 30
Drugs that increase BG
Cough syrup, thiazide/loop diuretics, transplant, niacin, protease inhibitors, FQ, atypicals, statins, steroids
Azoles, beta-agonists, diazoxide, interferon alpha,
BB, FQ, and octreotide can increase and decrease
DM drugs with CV benefit
GLP-1: liraglutide, semaglutide, exenatide
SGLT-2: empagliflozin, canagliflozin
DM meds NOT to combine!
Insulin and SU/meglitinides
GLP-1 and DPP-4
Metformin and contrast dye timing
Stop at time of or before
Restart 48 hours after
Metformin + topiramate
Increase risk of metabolic acidosis
Metformin food?
Duh!
Older SU
Chlorpropamide, tolazamide, tolbutamide
*not used d/t hypoglycemia
Micronase vs microzide
Micronase: glyburide
Microzide: HCTZ
Can you use meglitinides or SU in T1DM?
No
TZDs less know risks
Risk of fractures
Ovulation- use BC
URTI
SGLT2 renal
Not recommended GFR<45
CI: GFR<30
Canagliflozin electrolyte
Hyperkalemia
SGLT2 less known risk
Keto acidosis!!
DPP-4 risks
- Acute pancreatitis
- HF (saxagliptan and alogliptan)
- hepatotoxicity (alogliptan)
- renal dose except linagliptan
Insulin dosing T2DM
Basal: 10 u/ day or 0.1-0.2 u/kg/d
Prandial: 4 u/d or 10% basal
GLP-1 renal dosing
Exenatide: don’t use with crcl<30
Victoza dose
0.6 mg QD x 1 week then 1.2 mg QD
Can increase to 1.8
Trulicity dose
Dulaglutide
0.75 mg Qwk
Can increase to 1.5 mg
Byetta and adlyxin unique properties
No risk of thyroid CA
Give with 60 min of meals (others no regard to meals)
Adlyxin
Lixisenatide
Start with green pen and use all doses before moving to burgundy pen
Pramlintide facts
T1 and T2 DM
Weight loss
Must give with food!
Insulin timing
Rapid: 15 mins before meal
Short: 30 mins before meal
Long: bedtime
Humulin U-500 syringe
Each marking=5 units
No conversions necessary
Insulins available without RX
Regular, NPH, 70/30’s
Can you mix LA insulins with other insulins?
No!
Humulin R and Novulin R
VS
Humulin 70/30 and novulin 70/30
R: regular
70/30: 70%NPH/30%regular
Starting basal bolus insulin reg for T1DM
0.5 u/kg/d
50% basal and 50% bolus (divide bolus by three)
Trulicity and adlyxin exp
14 D
Victoza, symlin, byetta exp
30 d
Drugs that can cause hypoglycemia
Belviq (lorcaserin), linezolid, pentamidine, beta blockers, FQ, octreotide, quinine
DKA v HHS
DKA: BG>250, ph<7.35, anion gap>12
HHS: BG>600, osmolarity>320,
Dehydrated, ph>7.3, bicarb >15
When to not use GLP-1
Gastroparesis
Slows gastric emptying
DM drugs avoid if crcl<30
Metformin, SGLT2, exenatide, glyburide
DM drugs hepatotoxicity
Alogliptan and TZDs
Which biologic DMARDS are anti-TNF
- Enbrel (enterecept)
- Humira (adalimumab)
- Simponi (golimumab)
- Remicade (infliximab)
- Cimzia (certolizumab)
Myxedema coma
Emergency of hypothyroidism
-IV levothyroxine
Liotrix
T3 + T4 (levothyroxine + liothyronine)
*thyrolar
Other levothyroxine interactions
BB decrease conversion of T4 to T4
Take bisphosphonates 30 minutes before levothyroxine
Major steroid ADRs
- Hyperglycemia
- Hypertension
- Glaucoma
- Psychiatric
*decreased BMD, fluid retention, increased appetite/wt gain
Prednisone and prednisolone relationship
Prednisone is a prodrug of prednisolone
Preferred initial tx of RA
MTX
MTX major ADR
Hepatotoxicity, myelosuppression, mucositis/bleed, pregnancy, pulmonary
*give folate to decrease ADRs-give NEXT day!
Immunocompromise
Sulfa drugs causing crystaluria
Sulfasalazine, bactrim
Does amiodarone prolong QTc
Yes—-dummy
Preferred sglt2s in HF
Dapagliflozin, empagliflozin
Which statin is renally dosed?
Rosuvastatin
Which non-bio DMARDs to avoid with biologics DMARDs?
Xeljanz (tofacitinib) and Olumiant (baricitinib)
Janus kinase inhibitors (JAK)
Biologic DMARD preganancy (TNF and Non-TNF)
Risk unknown- pregnancy registry
Unlike MTX and leflunamide- CI in pregnancy
Parenteral vs oral meds for MS
Parenteral: copaxone/glatopa (glatiramer acetate) and interferon beta, alemtuzumab (lemtrada), ocrevus, tysabri
Oral: teriflunamide (aubagio), gilenya (fingolamid), tecfidera (dinethyl funarate), simponimod (mayzent), cladrabine (mavenclad)
Which MS/ RA drug- no pregnancy x 2 yr- can do accelerated elimination
Leflunamide (arava)-RA
Teriflunamide (aubagio)- MS
Myasthenia gravis
Autoimmune- destroys ach receptors- muscle weakness
Tx: cholinesterase inhibitor
Cholinergics and asthma/COPD
Bad- bronchoconstriction
Lipophilic and hydrophobic ABX
Hydro: beta-lactams, aminoglycosides, daptomycin, gylcopeptides, polymyxins
*BAD GP
LIPo: macrolide, rifampin, linezolid, quinolones, tetracyclines
Hydrophilic v lipophilic ABX properties
Hydro: renal elimination, not active against atypical, small VD, NOT 1:1
Doripenem do not use
PNA
Moxifloxacin unique coverage
Anaerobes- GI infxns
No UTI!!
Erythromycin unique effect
Promotility
-GI upset
Daptomycin drug interaction
Statins- myopathy/rhabdo
Tigecycline does not cover
3 P’s
Pseudomonas, proteus, providencia
Metro and etoh separation
3 days
Which enterococcus does synercid not cover
Faecalis
What does no beta lactam cover?
Atypicals
Ribaverin v abacavir ADR
Ribaverin: hemolysis and pregnancy
Abacavir: hypersensitivity
*double check!
Genetic alleles for rash
5801- allopurinol
1502- anticonvulsants
5701- abacavir
Metoprolol iv:po
1:2.5
PPI ok in G-tube
Lansoprazole
Vilazodone food?
With food!
Which drugs (other than antipsyches) worsen PD?
Alzheimer’s meds