Common Meds
Page updated spring 2021.
Disclaimer: Medicine is an ever-changing science. We have been witnessing changes in diagnostic and therapeutic modalities and guidelines during last several years. We have used sources believe to be reliable for purpose of this website. However, due to possibility of human error or changes in medicine, readers are required to confirm the information provided in this website with other sources. Readers are specially required to read all parts of the product information sheet included in the package of each drug they plan to administer and follow those instructions. Readers are also needed to follow instructions of FDA and other regulatory bodies and their own department in this regard. Doses need to be adjusted per manufacturer and FDA publications. This website serves as a general framework. We and other users would adjust the approach per departments policies and patients situation.
Anaphylaxis
Epinephrine
IM: 0.3 or 0.5 mg . 0.5 mg in patients >50 kg
Children: 0.01 mL/kg
Use a 1 mg/mL solution.
IM, in the anterolateral aspect of the middle third of the thigh
May repeat q 5 -15 minutes or sooner if patient does not adequately respond.
Glucagon
1-mg bolus followed by 1-mg/hour infusion
Children dose: 20 to 30 mcg/kg
In patients taking oral beta-blockers
Diphenhydramine (Benadryl): 25 to 50 mg PO or IV
May need Inhaled beta-agonists, IV fluids, intubation and vasopressors.
Insomnia
Melatonin: 0.1 - 0.5 mg PO
Trazodone
Immediate release: 50 to 100 mg, PO, at bedtime
Zolpidem (Ambien): 5 mg PO q.h.s, PRN
Sore throat
Chloraseptic spray: 2 sprays q 2hrs PRN
Acute asthma attack
Albuterol (Ventolin, ProAir)
Metered-dose inhaler: Initial-90 mcg/actuation: 2 inhalations qid, PRN
Fluticasone (Flovent)
Metered-dose inhaler: Initial: 88 mcg bid
Appetite Stimulant
Dronabinol (Marinol)
2.5 mg, PO, once or twice daily
Nausea and vomiting
Ondansetron (Zofran)
4 mg IV / PO q 6 hrs PRN
Prochlorperazine (Compazine)
5 to 10 mg, PO, q 6- 8 hrs PRN
2.5 to 10 mg, IV q 3-4 hrs PRN
Maximum: 40 mg/day
Promethazine (Phenergan)
12.5 mg IV q 4-6 hrs PRN
Metoclopramide (Reglan)
10 mg IV /PO q 6 hrs PRN
Hiccups
Baclofen
Initial: 5 to 10 mg, PO, 3 times daily
Metoclopramide, Pantoprazole , and Gabapentin may also be tried.
Reflux
Famotidine (Pepcid)
20 mg, IV / PO, bid
Pantoprazole (Protonix)
40 mg IV / PO daily or bid
Calcium carbonate (Tums)
Chewable Tablets- 1000 mg orally up to 4 times a day
Ileus
Chewing gum: helps to prevent ileus
Methylnaltrexone
38-62 kg: 8 mg/dose SC every other day
62-114 kg: 12 mg/dose SC every other day
<38 kg or >114 kg: 0.15 mg/kg/dose SC every other day
Constipation
Docusate (Colace)
50 to 300 mg PO daily divided in 1 to 4 doses
Bisacodyl (Dulcolax)
Suppository:10 mg daily, PO : 5 to 15 mg daily
Senna
2 tablets once a day. Tablets are 8.6 mg
MiraLAX (polyethylene glycol)
17 g (diluted in 8 ounces of water or juice, or soda) orally once a day
Fleet enema (sodium phosphates)
120 mL, rectally as a single dose
Diarrhea- None- infectious
Loperamide (Imodium)
Oral: Initial: 4 mg, followed by 2 mg after each loose stool (maximum: 16 mg/day)
Diphenoxylate/ atropine (Lomotil)
5 mg diphenoxylate/0.05 mg atropine (2 tablets) PO q6hr
Opium tincture
Oral: 6 mg (0.6 mL) of undiluted opium tincture (10 mg/mL) 4 times daily
C- Diff Infection
Initial episode:
Vancomycin
125 mg orally 4 times per day for 10 days
Fidaxomicin
200 mg twice daily for 10 days
Metronidazole
500 mg orally 3 times per day for 10 days.
GI Fistulas- High Output
Octreotide
100 mcg, SC, tid
Reserve use for patients with fistula output >1 to 1.5 L/day.
Bladder spasm
Oxybutynin (Ditropan)
Immediate release: 5 mg 2 to 3 times daily
Itching
Diphenhydramine (Benadryl)
25 to 50 mg orally or IV
Hypertension
Amlodipine (Norvasc)
Initial: 2.5 to 5 mg, PO, once daily. Max: 10 mg/day
Carvedilol (Coreg)
Immediate release. Initial: 6.25 mg, PO, bid
Usual : 6.25 to 25 mg, PO, twice daily
Metoprolol
Immediate release.
Initial: 50 mg, PO, bid
Usual: 100 to 200 mg/day, PO, in 2 divided doses
Clonidine
Immediate release
Initial: 0.1 mg, PO, bid
Usual dose range: 0.2 to 0.6 mg PO/day in 2 divided doses.
Orthostatic Hypotension
Notice- Make sure there is no bleeding, and patient is not volume depleted.
Midodrine
Initial: 5 to 10 mg, PO, q8 hours
Usual dose: 10 to 20 mg, PO, q8 hours
Fludrocortisone (Florinef)
0.1- 0.3 mg, PO, daily
Hypocalcemia
Calcium gluconate
Mild -ionized calcium: 4 to 5 mg/dL (1 to 1.2 mmol/L): 1 to 2 g, IV, over 2 hours
Moderate to severe- ionized calcium: <4 mg/dL (<1 mmol/L): 4 g, IV, over 4 hours
Severe symptomatic (seizure, tetany): 1 to 2 g, IV, over 10 minutes; repeat every 60 minutes until symptoms resolve
Hypomagnesemia
Magnesium sulfate
Mild deficiency (>1.5 to 1.9 mg/dL): 1 to 2 g, IV, over 1 to 2 hours
.
Moderate deficiency (1 to 1.5 mg/dL): 2 to 4 g, IV, over 2 to 12 hours
Severe deficiency (<1 mg/dL): 4 to 8 g, IV, over 4 to 24 hours
Hypophosphatemia
Sodium phosphate
Dose for Critically-ill adult patients receiving concurrent enteral/parenteral nutrition.
Low dose for serum phosphorus level 2.3-3 mg/dL (0.74-0.96 mmol/L): 0.16-0.32 mmol/kg over 4-6 hours
Intermediate dose for serum phosphorus level 1.6-2.2 mg/dL (0.51-0.71 mmol/L): 0.32-0.64 mmol/kg over 4-6 hours
High dose for serum phosphorus <1.5 mg/dL (<0.5 mmol/L): 0.64-1 mmol/kg over 8-12 hours
Hyperphosphatemia
Sevelamer
Initial: 800 to 1,600 mg, PO, 3 times daily with meals
Hypokalemia
Per Lexicomp:
Serum potassium 3 -3.4 mEq/L
Oral: 10 to 20 mEq 2 to 4 times daily.
IV: when patient can not tolerate PO.
20 mEq q 2-3 hours. Maximum infusion rate 10 to 20 mEq/hour. Central-line infusion & continuous ECG monitoring highly recommended for >10 mEq/hour.
Usual initial dose: 20 to 60 mEq. Decide about next doses based on serum potassium.
Serum potassium 2.5 to 3 mEq/L:
IV: Initial: 10 to 20 mEq/hour
Maximum infusion rate: 20 mEq/hour with continuous ECG monitoring
Adjust based on frequent serum potassium monitoring.
Serum potassium <2.5 mEq/L
IV: Initial: 10 to 40 mEq/hour
Maximum infusion rate (central line only): 40 mEq/hour with continuous ECG monitoring;
Adjust based on frequent serum potassium monitoring.
Hyperkalemia
Click here.
Hypo- Hypernatremia
Click here.
Iron Deficiency
Ferrous Sulfate: 325 mg (65 mg of elemental iron), PO, daily or every other day.
Low Molecular Weight Iron Dextran (INFeD)
To calculate total dose, click here.
Prior to the first intravenous INFeD therapeutic dose, administer an intravenous test dose of 0.5 ml.
Administer the test dose at a gradual rate over at least 30 seconds.
Individual doses of 2 mL or less may be given on a daily basis until the calculated total amount required has been reached. INFeD is given undiluted at a slow gradual rate not to exceed 50 mg (1 mL) per minute.
In patients with asthma or more than one drug allergy, we premedicate with Methylprednisolone (125 mg) and Famotidine.
Diabetes
Insulin Algorithm for Type 2 Diabetes
Click here .
Insulin Algorithm for Type 1 Diabetes
Click here.
Iv Insulin Infusion
Iv Insulin Infusion Protocol for Critically-Ill Adult Patients
DKA
Management of DKA in Persons Younger than 20 Years
Orders for Adults with DKA and Hyperglycemic Hyperosmolar State
Transition from I.V. to S.Q. Insulin
Inpatient Protocol for Transition from I.V. to Basal/Bolus S.Q. Insulin
Transition from I.V. to S.Q. Insulin Order Set TPN or Enteral (Tube) Nutrition
Click here and refer to the corresponding section in the document.
Hypoglycemia
IV: 10-25 g (20-50 mL 50% solution or 40-100 mL of 25% solution).
Pain
Acetaminophen (Tylenol)
650 mg PO or PR q 6 hrs PRN
Acetaminophen (Ofirmev)
≥50 kg: 650 mg IV q4hr OR 1000 mg IV q6hr; Maximum dose: 4 g/day
Ketorolac (Toradol)
Weight ≥50 kg and <65 years of age: 15 to 30 mg, IV, q 6 hr, PRN
Weight <50 kg or ≥65 years of age:
15 mg q 6 hr, IV, PRN
Gabapentin (Neurontin)
Immediate release: Initial: 100 to 300 mg, PO, 1 to 3 times daily
Pregabalin (Lyrica)
Immediate release: Initial: 25 to 150 mg/day, PO, in 2 to 3 divided doses
Tramadol
Immediate release: Initial: 50 mg, PO, every 4 to 6 hours, PRN
The dose may be increased as needed & tolerated to 100 mg q 4 - 6 hours (maximum dose: 400 mg/day)
Lidocaine patch 5% (Lidoderm)
Only once for up to 12 hours. Max : 3 / 24 hours.
Oxycodone/ Acetaminophen (Percocet)
Immediate release: 2.5 to 10 mg (oxycodone),PO, every 4 to 6 hours, PRN
Hydromorphone (Dilaudid)
PO- immediate release: 2 to 4 mg every 4 to 6 hours, PRN
IV- 0.2 to 1 mg every 2 to 3 hours, PRN
PCA- Loading dose: 0.4 mg, demand dose: 0.1 to 0.4 mg. Lockout interval: 10 minutes
Morphine
1 to 4 mg, IV, every 1 to 4 hours, PRN
Fentanyl
To be used in ICU.
Loading dose: 25 to 100 mcg or 1 to 2 mcg/kg, IV
Continuous infusion: 25 to 50 mcg/hour
Titrate every 30 to 60 minutes to achieve your goal.
Usual dosing range: 50 to 200 mcg/hour
Anticoagulant Prophylaxis
Early ambulation
Compression stockings (TED hose)
Pneumatic compression device
Heparin:
5000 units, SC, q8h or q12h . BMI ≥30: 5000 units q8h
Enoxaparin (Lovenox)
40 mg SC daily
If CrCl <30 mL/min: 30 mg SC daily
BMI ≥40: 40 mg twice daily
Anticoagulant Therapy
Notice: you might need to use different dose and therapeutic levels in some transplant patients who are at increased risk for bleeding.
Unfractionated heparin
Bolus: 80 units/kg .Max: 10,000 units
Initial infusion rate: 18 units/kg/hr. Max: 2000 units/hr
Adjust per following link. Click here.
Enoxaparin : 1 mg/kg SC q12hr, OR 1.5 mg/kg SC daily
Warfarin
Starting dose: 5 mg per day
Continue Heparin or LMWH for a minimum of five days and until INR is in the targeted therapeutic range for a minimum of 24 hours.
If INR is high, adjust per following link. Click here.
Erythropoetin Stimulating Agents
Darbepoetin alfa (Aranesp)
0.45 mcg/kg as an IV or SC injection once weekly OR 0.75 mcg/kg as an IV or SC injection once every 2 weeks
Granulocyte CSF
Filgrastim (Neupogen)
Up to 2 courses, 3 doses per week each, has been used by some transplant centers for absolute neutrophil count < 500. Repeat CBC 3 and 7 days after last dose of 1st course. Each dose: 300 mcg, SC
Acute GI bleeding- Liver Failure
Esophageal varices bleeding prophylaxis
Medical options: propranolol, nadolol, and carvedilol
Due to concerns in patients who have ascites, endoscopic variceal ligation is preferred.
Esophageal varices bleeding management
Proceed per guidelines. Medications include:
Octreotide
Initial: 50 mcg bolus, followed by continuous infusion of 50 mcg/hour for 2 to 5 days
Repeat the bolus in first hour if hemorrhage is not controlled.
Other vasoactive agents that maybe used include terlipressin, somatostatin, and vasopressin.
Ceftriaxone : 1 gram bid for 7 days
Hepatorenal Syndrome
Albumin: 10 to 20 grams, IV, per day
Octreotide
S/C: Initial: 100 mcg 3 times daily; may increase to 200 mcg 3 times daily or
IV-preferred: 50 mcg/hour as a continuous infusion
Discontinue after 2 weeks if no response.
Midodrine : up to 12.5 mg, PO, tid
Post-paracentesis albumin
6-8 grams per each liter of removed fluid
May not be necessary for a single tap of < 4 to 5 L
SBP
Cefotaxime, IV, 2 grams every 8 hours for 5 days
Albumin
If serum creatinine >1 mg/dL, BUN >30 mg/dL, or total bilirubin >4 mg/dL:
1.5 gram/kg within 6 hours of detection and 1.0 gram/kg on day 3
Norfloxacin
400 mg, PO, daily. After completion of the treatment and as a long-term prophylaxis after first SBP.