Dr. Gustin’s Blog

Dr. Gustin’s Blog2025-05-14T07:28:47-07:00
  • ||April 14, 2025||7.6 min||

    Body Packing of Narcotics Hypothetical Case Study

    A 22-year-old man with no significant medical history is transferred [...]

906, 2013

Arsenic in Chicken

By |June 9, 2013|0 Comments

The latest report from the FDA says that for decades chickens have consumed feed contaminated with Arsenic, a known poison and carcinogen.  The FDA backpedals on this finding by saying that chicken is still safe to eat because the amount of Arsenic that has found its way into edible portions [...]

1505, 2013

The FDA Revises Ambien Dosing Guidelines

By |May 15, 2013|0 Comments

Ambien is the most common sleeping medication at the present time.  Unfortunately, although Ambien is usually quite effective at facilitating sleep, it also has been found to have several disturbing side effects, including tolerance, addiction, and somambulism.  Recently the FDA has revised its dosing guidelines on how the medication should [...]

605, 2013

Ambien and Toxicology

By |May 6, 2013|0 Comments

Ambien (zolpidem) is currently the most commonly used sleeping medication on the market. Most physicians believe, unknowingly, that it can be prescribed with impunity.  This is not the case.  Ambien has many side effects that have resulted in a big increase in visits to emergency departments. Emergency department (ED) visits [...]

105, 2013

Amitiza for Opioid-Induced Constipation

By |May 1, 2013|0 Comments

The FDA finally approved a new drug which ameliorates the severe constipation that accompanies the use of Opiates.  Constipation is one of the main side effects that causes individuals to stop Opiate medication prematurely without any other option for their pain.  This addition to treatment with opiates is a notable [...]

105, 2013

Steroids Increase the Risk of Venous Thromboembolism

By |May 1, 2013|0 Comments

Recent research has demonstrated that chronic steroid use increases the risk of deep venous thrombosis in the legs and pelvis. The use of glucocorticoids may be associated with an increased risk for venous thromboembolism (VTE), according to the findings of a population-based case-control study. Sigrun A. Johannesdottir, BSc, from Aarhus [...]

1903, 2013

Zithromax and Sudden Cardiac Death

By |March 19, 2013|0 Comments

At one time or another, most of us have taken the antibiotic, Zithromax.  It is one of the most commonly prescribed medications for conditions such as bronchitis, pharyngitis, sinusitis, and others.  The discussion that follows has to do with one of Zithromax's side-effects, potentially life-threatening cardiac arrest.  Recently, I have [...]

3001, 2013

Food Poisoning: A toxicologic and medical review

By |January 30, 2013|0 Comments

Food poisoning is relevant to toxicology and public health largely because of adulterant contamination.  Food poisoning is usually caused by infectious agents but other ingested toxic compounds can cause diarrhea, vomiting, and abdominal pain as well.  It also has direct relevance to community acquired disease, assessments for such diseases, and [...]

2712, 2012

FDA Warning regarding Sodium Oxybate

By |December 27, 2012|0 Comments

The US Food and Drug Administration (FDA) has issued a warning against use of alcohol and central nervous system depressant drugs (CNS), such as benzodiazepines and opioids, with sodium oxybate ( Xyrem, Jazz Pharmaceuticals) because of the risk for impaired consciousness and respiratory depression leading to a respiratory arrest. The drug, used [...]

1812, 2012

FDA Adds More Drugs to Watch List

By |December 18, 2012|0 Comments

The US Food and Drug Administration (FDA) has added several drugs to its list of products to monitor because of possible signs of serious risks or new safety information. The drugs treat conditions that include cancer, epilepsy, hypertension, and malaria. The agency spotted yellow flags for these drugs in the [...]

1212, 2012

Chronic Acetaminophen Toxicity

By |December 12, 2012|0 Comments

Acetaminophen (Tylenol) is the most commonly consumed medication in the United States.  Most people just assume that it is benign and can be taken with impunity.  The truth, however, is that acetaminophen is toxic when taken in excess both acutely and chronically.  The following blog discusses a recent study out [...]

312, 2012

Grapefruit Interferes With Drug Levels

By |December 3, 2012|0 Comments

The following information piece was recently sent to medical toxicology physicians regarding the effect of grapefruits on medication metabolism and blood levels.  It is worth noting. Drugs That Interact With Grapefruit on the Rise The number of drugs that can be risky when taken with grapefruit is on the rise, [...]

2711, 2012

New Guidelines on Carbon Monoxide Poisoning

By |November 27, 2012|0 Comments

The first consensus guidelines on how to evaluate, treat, and prevent carbon monoxide poisoning has recently been released and published in the American Journal of Repiratory and Critical Care Medicine.  These guidelines standardize management of carbon monoxide poisoning for clinician, toxicologist, and public health worker, and offer a road map [...]

811, 2012

Death Caused by Oxymorphone Narcotics

By |November 8, 2012|0 Comments

Deaths due to narcotic abuse typically occur by overdose, and consequent respiratory failure.  New data demonstrates a novel cause of death associated with narcotic abuse.  On October 12, 2012 the US Food and Drug Administration (FDA) warned that individuals who abuse the prescription pain medication oxymorphone hydrochloride extended-release tablets (Opana [...]

811, 2012

FDA Adds 8 Drugs to Watch List

By |November 8, 2012|0 Comments

The US Food and Drug Administration (FDA) has added 8 drugs to its list of products to monitor because of possible signs of serious risks or new safety information. The drugs treat conditions that include cancer, epilepsy, hypertension, and malaria. The agency spotted yellow flags for the 8 drugs in [...]

2307, 2012

CT scans Linked to Leukemia and Brain Tumors

By |July 23, 2012|0 Comments

Children undergoing computed tomography (CT) scans with cumulative radiation doses of about 50 mGy had about triple the risk for leukemia, and those who received doses of about 60 mGy had nearly triple the risk for brain cancer, according to the results of a retrospective cohort study published online June [...]

705, 2012

Ultrasound Gel Contaminated With Bacteria

By |May 7, 2012|0 Comments

Bacteria has a proclivity for finding any medium that can support its growth.  That includes the gel that is used by ultrasonographers to perform routine ultrasounds.  Normally the skin acts as a decent barrier against microbials but not always.  Klebsiella and Pseudmonal organisms have a tendency to find their way [...]

605, 2012

Overdoses of Opioid Pain Relievers in the U.S.

By |May 6, 2012|0 Comments

A recent study published in the CDC's Morbidity and Mortality weekly report, 2011; 60:1487 addresses the epidemic of overdoses associated with prescription narcotic medication.  Physicians unwittingly prescribe too much opioid medications and often turn their patients into narcotic addicts.  The abstract follows: Abstract Background: Overdose deaths involving opioid pain relievers (OPR), [...]

2304, 2012

FDA Issues Fentanyl Patch Warning

By |April 23, 2012|0 Comments

The US Food and Drug Administration issued a warning to healthcare professionals and the public underlining the appropriate storage, use, application and disposal of fentanyl patches, including Duragesic (Janssen Pharmaceutical Inc) and generic patches, to prevent life-threatening harm from accidental exposure to fentanyl, particularly by children. The toxicology of Fentanyl [...]

1804, 2012

Opioid Rotation and Fatalities

By |April 18, 2012|0 Comments

Opiates are dangerous substances that can cause overdose, death and disability, and lead to toxicology malpractice lawsuits. Most narcotics have a narrow range of therapeutic benefit.  Outside this range, they become dangerous because they can cause CNS effects and respiratory depression.  When physicians change a patient from one opiate to [...]

604, 2012

Statins: The Toxicology and Why Label Changes are Necessary

By |April 6, 2012|0 Comments

Yes folks, those pills that everyone is taking, the lipid-lowering statins, have now become toxicologically controversial.  Efficacy is now in question, risk/benefit analyses are shifting, and cardiologists and toxicologists are re-evaluating value.  I came across this interesting interview with the FDA's Amy Egan, MD, MPH who discusses the story behind [...]

2403, 2012

Opiate Overdose and Physician Malpractice

By |March 24, 2012|0 Comments

Opiates are prescribed regularly by physicians in all medical specialities for pain.  Patients frequently request opiates from their physicians when they are in pain.  Recent studies show a trend of increasing prescriptions.  Opiates, when taken in excess, or when they are taken on a regular basis, create addiction, by causing [...]

1303, 2012

Shellfish Poisoning, Toxicology Implications

By |March 13, 2012|0 Comments

Several times during the past year, contaminated shellfish has been discovered in restaurants and people's homes.  The source for this contamination is Alaska where public health authorities have discovered that batches of noncommercially harvested shellfish have been contaminated by saxitoxins, a family of neurotoxins produced by certain marine algae and [...]

2802, 2012

Bath Salt Overdoses

By |February 28, 2012|0 Comments

"Bath salts" are the latest designer drugs sending patients to the emergency department (ED). Unlike traditional bath salts that are added to bath water for a relaxing soak, these drugs, which can be ingested, inhaled, or injected, contain cardiovascular and central nervous system (CNS) stimulants such as 3,4 –methylenedioxypyrovalerone (MDPV) [...]

2802, 2012

Drug Shortages Put Health At Risk

By |February 28, 2012|0 Comments

Drug shortages in the United States have been on the rise. The FDA recognizes the significant public health consequences that can result from drug shortages and makes tremendous efforts within its legal authority to address and prevent drug shortages.  The danger of drug shortages is apparent:  children will die because [...]

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