PHARM
PHARM
o Monitor client for adverse effects, toxicity, and drug interactions; notify physician if any are observed
Ex. Pt. receiving morphine triplicate teaching- Dr. wants to see pt. several
days before RX runs out.
Half life- TQ: 5 times 1000 100mg Lanoxin/Digoxin- need LOADING doses to reach TE
1200 50mg
200 25mg
400 12.5mg
600 6.25mg
The half-life of the drug is the time it takes for one half-life of the drug concentration to be eliminated.
8 Module II
Autonomic Nervous System-
Sympathetic(anticholinergics/ cholinergic blocking agents)
EPI/Norepi/Dopamine (fight/flight) 3D
↑BP (all blood to
Broncho DILATION
↑HR
DILATE Pupils
Digestion stops/ stops overactive bladder- Ditropan
side effects
Symp- Tachy
Asthma meds (tremors)
Urinary retention
Fluids flow
Muscle contraction (MG pts. need these)
Sweating/tearing/
Mimetics – acts like
Lytics- acts opposite (acts like other system)
Drugs:
o Probanthine (propantheline)
o Detrol LA (Detropan)
o Atropine: (prototype)
side effects
Parysym- Pupil constriction (bad for glaucoma pts)
Asthma pts NO (broncho constriction)
Patient teaching
TQ: Check labels (glaucoma pts avoid sympathy stimulant)
Beta blockers- ↓ HR
Bradycardia/ ↓BP (pots) rise slowly
Atenolol: ↓ workload and ↑ cardiac output
Propanolol: ↓ HR and ↑ exercise intolerance
(hold med if pulse is under 50 and notify HCP)
adverse effects:
Arrhythmias
CHF
Edema
Cold extremities
Bronchospasms
Dyspnea
Hyper/hypo glycemia: mask s/s of hypoglycemic (s/s of hypoglycemia: sweating, fatigue, and hunger)
Neuromuscular Blockers
(Succs/Vercuron/Percuron) (Succs is given to pt. trying to buck the vent!)
succinylcholine (anectine): drug of choice for short term muscle relaxation.
Pancuronium (pavulon): for intubation and ventilation
Admin with analgesics because pt. can still feel pain!
Requires a lower anesthetic dose
Vecuronium (norcuron): used in ICU
prepare for respiratory arrest
Cant move/breathe
antidote: prostigmine (anticholinesterase agent which also treats MG)
*Can hear/feel
Give anxiety meds
Adverse effects; APNEA(RESP. support avail)
#1 thing to assess: Neuro & RR
Malignant hyperthermia 1:53:48
Dantrolene(DANTRIUM) (prevents Ca ion release)
(Ca: causes muscle contractions): Dantrium stops this)
(Tx. For Malignant Hyperthermia and MS)
TQ on Mod 2 exam: CNS: Muscle relaxant, don’t take with other CNS depressants.
TQ on Mod 2 exam: also used to tx. Malignant hyperthermia!
s/s of malignant hyperthermia: Temp >105, N/V, confusion, increased RR
Antiparkinson Agents
Levodopa, Sinemet
How it works- Prevents it from being broken down so it can be converted
to Dopamine in brain ↓tremors
Anticonvulsant
Prototype Dilantin –(10-20)
side effects- Gingival Hyperplasia (swollen gums: red/spongy) report bleeding gums
teaching measures, Good oral care soft bristle tooth brush/ mouth wash
SJS-RASH (eye/groin- mucous membrane areas)
Oral BC not working
Electric razor/Soft toothbrush
nursing implications NS ONLY!!!!!!
Check BP could bottom out
16 Module III
NSAID’s
TX pain & ↓inflammation
ASA=Monitor for bleeding (GI- stool- dasrk tarry contact dr.) Inhibit platelet
aggregation
TQ on Mod 3:
Adverse effects:
Decreased B/P: hypotension
HYPOTHERMIA: shivering
Increased BMR: which increased 02 demand
o N/I: Apply O2 and monitor O2 saturation
Resp. Depression
Ketamine- calm/ quiet area Do not stimulate, no sternal rubs, let them wake up on their own. D/T
↑excitation & hallucinations.
barbiturates
NO ANTIDOTE!
Blue Boxes:
Why we give meds: anxiety
Evaluate effectiveness: pt. is less anxious
Antidepressants & Antimanic
MAOI’snmp-
AVOID Tyramine foods= can cause Hypertensive crisis TQ
o Aged cheese
o Smoked meats
o Corned beed
o Sour cream
o Yogurt
o Beer/red wine
o Chocolate
o Licorice
o Soy sauce
o Yeast
o Lack suicide tendencies
o S/E Hypersensitive crisis- ^ BP, Severe HA, neck stiffness, fever & palpitations
o NO ALCOHOL
Lithium (1-1.5)>2 toxic
o why given: MANIA
o teaching implications WATER INTOXICATION*
LOC/CONFUSION
GIVE W/FOOD
WBC-monitor
Toxic effects if level over 1.5
o Confusion
o Lethargy/slurred speech
o HYPERreflexia
o N/V, tremors/seizures
N/I:
o Will make you retain Lithium = Toxic!
LOW SALT DIET
DIURETICS prevent toxicity
Diarrhea/Fever
Fluid Loss
Why is Benztropine/Cogentin used (ARTANE)- used to control EPS s/s (know these
Tardive dyskinesias,
extrapyramidal effects,
akathisia TQ
impacts ridgitiy
Clozapine/ Clozaril –
1st antipsychotic meds (last resort) WBC ct WEEKLY
positive effects on schizophrenia:
o more effective in controlling negative effects
flat affect/ Lack of motivation
For pts. With Tarditive Dyskinesia
Take pills & weekly WBC checks (5,000-10,000)
Life Threatening: Agranulocytosis/ Neutropenia
o Flu like symptoms: fever/sore throat/cough/malaise
Do not admin next dose!
side effects
o WBC- low grade fever
o NMS- D/C STAT & call MD
o WBC ct WEEKLY
15 Module IV
Cardiac Glycosides
DIGOXIN/ Lanoxin 0.5-2 >2
Used to Tx. CHF
o Worsening of CHF
Wt.gain
Edema
SOB TQ on mod 4
N/V
Visual disturbances
Labs to monitor k: If given with diuretics, can predispose pt to Dig Toxicity- K <3.5
Monitor BUN (10-20)
Creatinine (0.5-1.2)
Hypokalemia (<3.5meq/L)
Antiarrhythmics
Prototypes: Quinidine- COVERTS TO NSR
Toxicity- signs and symptoms
CINNCHOSIHMS- TINNITUS/VERTIGO/ HA/VISUAL DISTUR
3D EFFECT
Antianginal
Mechanism of action: VASODILATES, AND ^ 02 SUPPLY TO HEART (NOT W/FOOD)
Nitrates:
(Nitroglycerin)
Action: dilate the arterioles and veins; therefore, they decrease BP and decrease cardiac output and O2
demand.
Tx Acute angina-Vasodilate, <BP, and <CO
Adm: AVOID ED (Viagra)
MEDS, 3 TABS/5 MIN INTERVALS
o Have pt. lying down when taking meds
o After admin; check vital signs: sitting/standing/laying down
o If pain worsens call 911
o Place pt in supine with legs elevated is hypotension results
o Keep nitrates in a dark bottle
o Med is working if pt. experiences a tingling/ burning sensation under their tongue.
o TQ on mod 4 exam: classic angina is relieved by rest
CA channel blockers
(verapamil/Isoptin)
DILATES /DECREASE CONTRACTION
AVOID GRAPEFRUIT JUICE TQ on mod 4
TQ on mod 4: Take pulse, if under 50, HOLD MED: CALL DR
TQ on mod 4: check pt’s B/P for hypotension
beta blockers
(atenolol)
(-olols) Long term prevention (Don’t dilate veins)
Take pulse before med: <50 CALL DR
TQ on mod 4: adverse effects: orthostatic hypotension
ANTIANGIALS:
CHECK FOR:
o PERIPHERAL EDEMA
o LUNG SOUND FOR CHF/JVD
o WEIGHT GAIN
*****QUESTION!!! PT WANTS TO KNOW WHY TAKING ANTIANGINALS?*****
-TO NORMALIZE MYOCARDIAL O2 SUPPLY/DEMAND & BALANCES
(antianginals are going to dilate which means MORE oxygen, which decreases demand for O2 and pt. is
balanced out.)
Antihypertensives
ARB’s-
(losartan)
“Sartans” ANGIO BLOCKERS (aldosterone prevents K secretion=↑)
Block vasodilation/^aldosterone release
NO COUGH
MONITOR FOR HYPERKALEMIA(K)
Diuretics
Loop Diuretics:
Furosimide/Lasix-
push slow over 1-2 min to prevent reaction (heart collapse)
Adverse effects: ringing in the ears and cardiovascular collapse!
all electrolyes excreted
Side effects: hypokalemia, hypocalcemia, dehydration, orthostatic hypotension
Nursing implications: Prevent tinnitus, cardiac collapse, increase K foods
TQ on mod 4: Monitor: serum potassium: hypokalemia (less than 3.5): muscle weakness/leg
cramps/dysthymias.
Potassium Sparring:
Spiralactone (Aldactone) & Triamterene (HCTZ)
Side effects HyperK
Nursing Implications don’t eat high K foods
Confusion/abd pain/diarrhea/muscle weakness
Antilipemics
Cholestyramine/Questran
mix 120-180 ml liquid/powder (reduces absorption of all Fat Soluble vitamins)
A
D
E
K: affect prothrombin time
Statins
(Lovastatin)
(simvastatin)
take at NIGHT w/meal
No grapefruit juice
Teaching implications: Labs drawn before taking meds *Amylase and Lipase*
o Before 1st dose assess labs for baseline
Side effects billary colic (gallstones) fibric acid
Greasy clay stool
PE
DVT
Coumadin/ Warfarin
People take warfarin to tx. Thromboembolism after intital tx with heparin, used mainly to prevent
thromboembolic conditions such as thrombophlebitis, PE, and embolism formation by atrial fibrillation
which can lead to stroke.
Thrombolytics: (-ASE)
TPA & Streptokinase: bust clot- DISOLVE thrombi
how they work, side effects, nursing implications
Admin w/ in 4 hrs of AMI and 3 hrs of stroke
do not initiate bleeding (NO BP cuff, iv sticks)
Aminocaproic acid(AMICAR)- ANTIDOTE
Watch for anaphalytic shock(benedryl/epi pen on hand)
DVT/PE
Consent form
Routine labs
Resp Drugs
Theophylline range: 10-20-
facilitates removal of bronchial secretions
toxicity:
N/V
Confusion
Hypotension
Tachycardia
Muscle twitching
Anxiety
nursing implications: If labs high, hold med
TQ: patient teaching: smoking = ↑ dose
Admin: empty stomach full glass of water
18 Module V
Peptic ulcer Agents
TQ on mod 5: factors that contribute to development of peptic ulcers: smoking, coffee, alcohol,
bacteria, stress, H.pylori, ASA, NSAIDS, corticoid steroids. A: most @risk: pt. on steroids!
H2 blockers,(tidiens)
Cimetidine (Tagament)
blocks histamine
Man boobs/impotence
Do not drive/dizzy
Push dilute IV slow(bradycardia)
Constipation
Do not admin w/in 1hr of antacids
o ↑ fluids
o ↑ Fiber
o ↑ Exercise
teaching measures: Fiber bulk pts need adequate fluid intake (esp elderly) to increase fluids to prevent
obstruction
What classification of meds do laxatives and antidiarrheal interact with?
ANTICHOLINERGICS- DO NOT GIVE TOGETHER!
side effects:
Antidiarrheal:
Diphenoxylate (Lomotil)
Prototype sch. V drug
Contains atropine (anticholinergic agent) to discourage abuse
o s/s of atropine toxicity
dry mouth
urine retention
tachycardia
hyperthermia
o reduce dose if s/s of atropine toxicity! (don’t double dip)
o Assess for hypo-peristalsis
Anorexia and nausea at early age
Abd. Distention
Auscultating of rushes or high pitch sounds over the abdomen
Eventually a “silent abdomen”-absent of bowel sounds
Percussion of air or fluid over abd., resonant sound, not dull
Absence of flatus
Absence of bowel movements
Vomiting with resulting fluid and elec. Imbalances.
If s/s occur: withhold next dose and notify Dr!
Emetics-
Activated Charcoal
emergency poisoning
When contraindicated: Do not want to encourage vomiting with petroleum distillates such as
Kerosene
How to administer: Within 30 mins of poisoning/ Must have gag reflex
Antiemetic
Promethazine (Phenergan)
Tx motion sickness, block H1, CNS depressant, anticholinergic
Monitor for urinary retention!
N/I: dilute Phenergan with NS to prevent infiltration
Scopolamine patch-
Avoid touching, use gloves, wash hands, don’t touch eye (dilates)
Pituitary Agents
Growth hormone (Somatropin)
Action:
o Tx linear growth failure, before epiphyseal closure
o Stimulates growth of long bones/cell growth
Nursing Implications:
o Monitor TSH function & BS levels
Desmopressin(DDAVP)
nasal spray- inspect nasal passages for ulcerations & severe nosebleeds
Teach to never increase # of sprays
TQ on mod 5: N/I: monitor urine output, specific gravity, and serum osmolality
Monitor vital signs and wt. (monitor I&O and BP)
Hypoglycemic Agents
Type 1 diabeties:
no oral meds
must have insulin injection
oral meds not effective
Oral hypoglycemics
Expected actions: NOT indicated for type 1 (need functioning pancreas- no endogenous insulin to release)
Glypozide(Gluocotrol)
Metformin(Glucophage)-
1x a day w/evening meal.
Not for renal pts/ Withhold 48 hrs before IV contrast
o Hold before IVP & barium studies
o CAN GIVE for XRAYS!
o If pt. vomits: give pt. 15g Carb and a protein.
Acarbose(Precose)/Miglitol(Glyset)-
don’t bring up BS fast enough when BS is low
Thyroid Agents
Hyperthyroidism:
Propylthiouracil (PTU)- take with or after meals, avoid
seafood
Monitor for iodism: salivation, swelling of
parotid/submaxillary glands, rhinitis, GI distress,
depression
Instruct client taking Methimazole(Tapazole) to report s/s
of infection(< immune system)
S/S of thyroid toxicity:
If pt has these s/s- hold med
o Nervousness/ irritability
o Chest pain
o HTN
Ergot Alkaloids
Mechanism of action: Tx postpartal/postabortion hemorrhage, CNS relax/depressant, relaxes smooth
muscle of uterus, slows contractions
o Methylergonovine Maleate(Methergine)-
o decreases postpartum hemorrhage but increases uterine contractions
How do you know if it’s effective?
o Decreased bleeding d/t increased contractions (after baby delivered)
N/I: have calcium gluconate for antidote available
33 Module VI
Antihistamines - side effects
1 generation: Diphenhydramine (Benedryl)-
st
o Side effects:
o AntiCholernergic 3D (Dry mouth/Urinary Retention/Blurred vision/Drowsy)
o Fatigue
o Drowsiness
o Abd. Pain
o Photosensitivity
o Excitation in children
o Take at night/ don’t drive-due sedation effects
o No alcohol!
o Pupils Dilate (Mydriasis- NO Glaucoma/BPH pts)
o Check labels for anticholinergic ingredients
nd
2 gen: Zyrtec- Not as much sedation/ No dry mouth
Antigout medications
Actions: Helps kidneys excrete uric acid
o Mechanism of action: not an anti-inflammatory drug, instead inhibits the final steps of uric
acid. (preventing exacerbations of gout!)
o Patient teaching:
o ↑fluids to flush out uric acid
o No Alcohol/Purine rich foods (organ meats)
o Tylenol NOT aspirin (too acidic)
o Avoid acidic juices
nursing implications (Monitor)
o Monitor for adverse effects: diarrhea/vomiting
o BUN/Creat
o LFT (ALP/AS/ALT)
Uricosurics
Sulfinpyrazone (Anturane)
o Blocks reabsorption of uric acid and promotes excretion
o Record pt. output: risk for kidney stones
Antibacterials
Sulfa drugs-
Bactrium/Septra (empty stomach/ with H2O)
TQ: UTI drug/SJS
o S/S-
o INCREASED TEMP, MALAISE, TACHY, LESIONS ON SKIN & MUCOUS MEMBRANES
o TOXIC EFFECTS: Blood dyscrasias (destroys bone marrow)
WBC- fever, sore throat
Platelets- bruising
RBC- anemia
Monitor Urine= crystals can happen
Fluids (3L/day) (pt. needs to stay hydrated)
Tetracyclines-
Doxycycline
ACNE -Longterm tx
Photosensitivity
o Don’t go outside between noon-5pm
o Wear sunscreen
o Don’t go in tanning beds
CI – pregnant/kids (teeth mottleing)
↑ Risk for SUPER infection (know s/s)
o Stomatitis
o Diarrhea
o Thrush
o Yeast infection
THROW OUT outdated meds
Cephalosporins-
Allergy ?= PCN allergy?
Reaction: Itching
o Angioedema
o Wheezing
Monitor for: c-diff/ super infection
Chloramphenocol (Chloromycetin)
TQ: TOXIC to BONE MARROW – APLASTIC ANEMIA
Monitor CBC
Pale skin/ fatigue- RBC
Sore theroat/ fever- WBC
Unusual bleeding-Platetes
Clindamycin(Cleocin)
AAPMC/ Cdiff: if developed, expect Dr. to change to Vanc
o Stop drug/ Give Flaygl
Vancomycin
Peak/Trough labs
Oto/Neph
o Neurotoxic: tremors, tinnitus, numbness, tingling, twitching of extremities
o Ototoxic: esp. when admin w/ Lasix
Report s/s
Dizzy
Ringing in the ears
TQ: RED MAN SYNDROME-After BOLUS or too FAST infusion
inflammatory response to drug (TOO MUCH)
Histamine release= Vasodilation-
o HYPOTENSEION
o Fever/chills
o Paresthesia
Griseofulvin- Antifungal for NAILS (ring worm)
o Longterm tx protect skin
o Photosensitivity
o HA/Gastric issues
o (give w/food) need HIGH FAT DIET
o Good oral hygiene (pvt thrush)
o Avoid alcohol
C-diff, AAPMC- FLAYGL
Anorexia
Stomach pain
Dehydration (due to diarrhea) KEEP HYDRATED
o Ele/Fluuid Imbalnace
Antiviral, Antifungal
Corticosteroids
(Prednisone/ Deltasone)
Action: mimics release of natural corticosteroids from the body
Give in AM
With food
S/E:Cushing Syndrome
o Weight Gain
o Big Belly/ Thin arms-
legs
o ↑ Glycemia
o ↑Na & water (low salt
diet)
o ↓ K (potassium foods/
supplements)
o HTN
o Monitor: BBG, K level
o Need to report: FEVER- stat to nurse (mask
s/s of illness/infection)
o Do NOT stop abruptly d/t can cause corticoid insufficiency: adrenocortical insufficiency
TB Drugs
(acid-fast bacillus test)
Isoniazid (INH)- Take B6(pyroxidine)
*INH can be used prophylactically to tx exposed family*
o Foods: Spinach/ Green beans/ Lima beans/ cereals/ bran
o Teaching implications: INH causes jaundice for people who have been exposed to TB (even family
members)
Rifampin-
o Pt. teaching: changes urine to red/orange but is a harmless effect!
o Teaching implications: With meals
o Adverse effects
o Liver Toxic – get baseline LFT’s/Bili/ALT/AST/ALKPHOS
ABD Pain
N/V
Neuro Toxic: clumsiness/ Numbness of fingers
Side effects:
o #1 PRIORITY ASSESSMENT FOR PTS ON CHEMO= TEMP!
o means pt. may have infection!
o Alopecia
o Leukopenia: low WBS, ^ risk of infection (tired, weak, SOB)
o N/V
o Bone Marrow Depression (TIRED)
o No plants- No WBC
o URIC ACID BUILD UP- killing off cells= hyperuricemia
o Thrombocytopenia- decrease of platelets in blood- (This causes bleeding in tissues,
petechiae, slow blood clotting after injury, anemia)
o Implications for thrombopenia:
Assess urine/stool for blood
Pad rails to prevent bruising
Monitor CBC labs
o Nursing implications to address side effects
↑ Fluids
Give Allopurinol: after chemo pt. will have hyperuricemia
Good oral care (to encourage eating)
MILD mouthwash NO ALCOHOL
If you have a pt that has N/V d/t chemo, what can you administer?
Nurse can administer antiemetic 1-2 hrs before chemo
Cytoxin Therapy
↑ Fluids 2-3L/day
Void Q2hrs
AM dosing
Methotrexate
Bone Marrow Depression
LIVER TOXIC
Abd Pain
N/V
Clay colored stools
Jaundice
Lab values to monitor
Bun/Creat/LFT
WBC/RBC/Platelets
URIC ACID LEVELS
\
Meds that impact lab values to reverse S/E of chemo drugs:
Use Numega to increase platelets
Allopurinol if pt on chemo has hyperuricemia(^uric acid)
Leucovorin rescue (for Methotrexate) Folic Acid form- protects normal cells from toxic
effects
Antidote
↓ time that normal cells are exposed to ↑ dose toxic chemo