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Monday, December 2, 2013

Drugs that can Harm the Immune System

The flu is rarely deadly. It's flu that becomes pneumonia that kills. Prescription and over-the-counter drugs should be seriously considered on the list of things that could potentially make people more susceptible to having a flu that morphs into a deadly pneumonia.

Steroids
All steroid drugs, from corticosteroids to anabolic steroids, suppress the immune system that defends against bacterial and viral infections such as pneumonia.

Chronic stress creates greater susceptibility to infection because it raises cortisol levels. Cortisol is a steroid hormone released by the adrenal glands that has many side effects when it’s chronically high. One side effect is that it reduces inflammation. At first glance that sounds good, but at the same time it suppresses the immune system. Chronically high cortisol also disrupts blood sugar balance, often leading to high insulin, obesity and sometimes, diabetes.

The most common route of steroid drug use, particularly in children, is through asthma inhalers.
Most asthma inhalers contain some form of synthetic steroid. These steroids help reduce the airway inflammation associated with asthma, but at the same time can reduce the ability of the lungs to fight bacterial and viral infections.

Steroid drug abuse among high school and college athletes is common. The National Institute on Drug Abuse estimates that 1 – 6% of high school athletes use steroid drugs to enhance their performance. This amounts to potentially hundreds of thousands of teens with suppressed immune systems who are more susceptible to viral and bacterial infection.

Steroid drugs such as prednisone are widely prescribed for people with painful inflammatory diseases such as arthritis, and for autoimmune diseases such as multiple sclerosis and lupus. They are also prescribed for those with organ transplants to suppress a rejection response by the immune system.

Even the regular use of cortisone creams for arthritis can raise cortisol levels enough to suppress the immune system.

 PPI Heartburn Drugs that Suppress Stomach Acid
Proton pump inhibitors or PPIs such as Nexium, Prevacid and Prilosec powerfully block the secretion of stomach acid. This has the effect of reducing heartburn and nausea, but it also blocks one of the body’s main defenses against bacteria and viruses. According to a 2004 study published in the Journal of the American Medical Association (JAMA), 70% of the hospitalized patients in the study received a PPI or other stomach acid-suppressing drug within hours of being admitted. The study showed that patients who were given PPIs had a 30% higher risk of developing pneumonia.

Statin Drugs to Lower Cholesterol
A medical group in Switzerland found that organ transplant patients who were taking statin drugs (e.g. Lipitor, Mevacor, Pravachol) did better than those who weren’t taking the drugs. Laboratory studies showed that statins did indeed suppress parts of the immune system, and the authors concluded, “This unexpected effect provides a scientific rationale for using statins as immunosuppressors, not only in organ transplantation but in numerous other pathologies as well.”

SSRI Antidepressants
The selective serotonin reuptake inhibitor antidepressant drugs (SSRIs) such as Prozac, Zoloft and Paxil increase serotonin levels and in so doing also give the immune system a boost. This boost can be the good news or the bad news. According to researchers at Georgetown University Medical Center, this boost can push the immune system into autoimmune disease, where the body starts attacking itself. These types of immune system over-reactions are also implicated in the “cytokine storms” that can create deadly inflammation in the lungs.

Opioid Drugs
Both short term and long term use of the pain killing opioid drugs such as hydrocodone, oxycodone, fentanyl, codeine and morphine block the immune system’s ability to attack viral and bacterial invaders. Some pain killing drugs such as Tramdol combine an opioid with acetaminophen (e.g. Tylenol), further compromising the immune system with acetaminophen’s toxic effects on liver function.

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