Worst Pills, Best Pills

An expert, independent second opinion on more than 1,800 prescription drugs, over-the-counter medications, and supplements

cimetidine (TAGAMET, TAGAMET HB)


DISEASE AND DRUG FAMILY INFORMATION

Search results below include Disease and Drug Family Information where your selected drug is a secondary subject of discussion.

Antipsychotic Drugs: Dangerously Overused
Antipsychotic drugs, also called neuroleptic drugs or major tranquilizers, are properly and successfully used to treat serious psychotic mental disorders, the most common of which is schizophrenia. In younger adults, an alarming number of those with schizophrenia who could and often have previously benefited from antipsychotic drugs are not receiving them. They are seen, among other places, on the streets and in homeless shelters. In older adults, the problem is not underuse but, rather, gross overuse by people who are not psychotic.
Depression: When are Drugs Called For And Which Ones Should You Use?
Ironically, one of the kinds of depression that should not be treated with drugs is depression caused by other kinds of drugs. If someone is depressed and the depression started after beginning a new drug, it may well be drug-caused. Commonly used drugs known to cause depression include the following:

DRUG AND DIETARY SUPPLEMENT PROFILES

A comprehensive review of the safety and effectiveness of this drug. If the drug is not a Do Not Use product, information on adverse effects, drug interactions and how to use the medication are included.
Search results below include Drug and Dietary Supplement Profiles where your selected drug is a secondary subject of discussion.

zaleplon (SONATA)
  • We list this drug as a Do Not Use drug because it is less effective than related drugs and can cause addiction.
thioridazine (MELLARIL)
  • We list this drug as a Do Not Use drug because it is more likely to cause irregular heartbeat than related drugs.

WORST PILLS, BEST PILLS NEWSLETTER ARTICLES

Search results below include Worst Pills, Best Pills Newsletter Articles where your selected drug is a secondary subject of discussion.

Long-Term Risks with the Use of Proton Pump Inhibitors
February 2024
Proton pump inhibitors (PPIs) reduce the amount of stomach acid. They are available by prescription and over the counter, and their use has increased in recent years. Although PPIs are generally safe for short-term use, they have serious long-term risks.
Review of Mavacamten, a New Drug for Hypertrophic Cardiomyopathy
April 2023
Learn why Public Citizen’s Health Research Group has designated the new heart drug mavacamten as Do Not Use for Seven Years.
Review of the Gastrointestinal Drug Metoclopramide (GIMOTI, REGLAN)
April 2022
Learn about the serious adverse effects caused by the gastrointestinal drug metoclopramide, which we have designated as a Limited Use drug.
Proton Pump Inhibitors Associated With Increased Risks of Fractures and Asthma in Children
June 2021
Results of recently published studies suggest that use of the potent stomach-acid–suppressing proton inhibitor medications in children may lead to small increases in the risks of fractures and asthma.
Nitrosamine Impurities in Medications
November 2020
Since 2018, the FDA has found that certain commonly used medications contained unacceptable levels of nitrosamine impurities (contaminants) that are considered probable human carcinogens. Learn about the risks of nitrosamines and specific drugs that have been found to be contaminated with these compounds.
News Brief: FDA Announces Discovery of Cancer-Causing Contaminant in Heartburn Medication
November 2019
In this month’s news brief, we report actions taken by the FDA and regulators in other countries in response to the discovery of a probable human carcinogen in a widely used medication that suppresses stomach acid.
Review of the Popular Stomach-Acid Suppressant Proton Pump Inhibitor Drugs
July 2019
Learn why the widely used proton pump inhibitors should be reserved for certain patients with stomach-acid disorders and only taken at the lowest possible dose for the shortest possible duration needed.
Meclizine: A Risky and Possibly Ineffective Drug
March 2018
Meclizine is a drug that is commonly used to treat symptoms of motion sickness. Find out why we have designated this drug as Do Not Use.
FDA Warning: Commonly Used Diarrhea Drug Can Cause Life-Threatening Heart Problems
May 2017
Find out which commonly used prescription and over-the-counter diarrhea medications can cause dangerous abnormal heart rhythms and cardiac arrest if taken at higher-than-recommended doses.
Important Information to Know About Clopidogrel
June 2014
Clopidogrel is a widely used drug for reducing the risk of a new heart attack or stroke or cardiovascular death in patients who have had a recent heart attack, stroke or established pe-ripheral vascular disease. This article provides a detailed overview of the drug, including potential serious side effects and important precautions to follow when taking the drug.
Inadvertent Adverse Reactions With Commonly Used Drugs
January 2012
Find out how to prevent emergency hospitalizations from two commonly used drugs, warfarin (COUMADIN) and clopidogrel (PLAVIX). There are approximately 33,000 emergency hospitalizations a year from warfarin alone. This article includes a list of more than 50 drugs that can have harmful interactions with warfarin and/or clopidogrel.
Massive Misprescribing of Inappropriate Drugs to Hospitalized Elderly Patients
September 2008
A nationwide study published in spring 2008 in the Journal of Hospital Medicine showed that nearly half (49 percent) of almost 500,000 hospital patients older than 65 have been prescribed one or more of 92 drugs known to be unnecessarily unsafe for older patients. 10,000 of these patients had four or more of these inappropriate medicines prescribed during their hospitalization. Among the most common categories of adverse drug reactions these inappropriately prescribed drugs can cause are excessive sedation, abnormally low blood pressure and bleeding. We list the 92 drugs in the article and give further details about the kinds of side effects these drugs can cause.
Dangers of Mixing Alcohol with Certain Medications or Diseases
August 2008
The article discusses 273 drugs that can have harmful interactions with alcohol. Also reviewed are several ways in which these harmful interactions can occur: 1/ Medications Can Increase Alcohol Blood Levels 2/ Additive effects of medications and alcohol. One of the best- known drug-alcohol interactions is when alcohol, a depressant, is taken with other sedative medications, and excessive sedation or depression of respiration can occur 3/Alcohol can increase the blood levels of some medications leading to toxicity of these drugs. 4/ Alcohol also can reduce blood levels of some medications causing them to be less effective. Although some of the interactions between alcohol and medications mainly occur in people who drink heavily (three or more drinks on one occasion), many of these interactions may occur with much lower amounts of alcohol use, such as one to two drinks on an occasion. We strongly urge you to tell your physicians and other health care providers how much alcohol you are drinking so they can effectively assess the risks and advise you about the safe use of alcohol and medications.
Avoiding Overuse of Proton Pump Inhibitors (PPIs)
March 2008
This article reviews evidence for the international epidemic of overuse of proton pump inhibitors (PPI), drugs used to treat ulcers and gastroesophageal reflux disease (GERD). There were 70 million prescriptions filled in U.S. pharmacies in 2006 for the four leading PPI drugs: esomeprazole (NEXIUM), lansoprazole (PREVACID), pantoprazole (PROTONIX) and rabeprazole (ACIPHIX). Find out about several serious side effects of these drugs such as increased community-acquired pneumonia, increased hip fractures and acute kidney inflammation. Learn about alternatives to using PPIs.
Drug Interactions: Warfarin (COUMADIN)
December 2007
This article explains how to understand the International Normalized Ratio (INR), a test applied to a sample of a patient’s blood to determine how “thin” it is when you are using the blood thinner COUMADIN (warfarin). In addition, the article lists more than 50 drugs or dietary supplements that can interact harmfully with COUMADIN to cause the blood to be too thin (abnormal bleeding) or not thin enough which could result in lessening the effect of COUMADIN in stopping blood clot formation.
REMINDER —The Heartburn Drug Metoclopramide (REGLAN) Can Cause Drug-Induced Movement Disorders
May 2005
The use of the heartburn drug metoclopramide (REGLAN) is increasing and that this fact may result in more cases of drug-induced movement disorders from metoclopramide (Reglan)that in some cases mimic Parkinson. If you or a family member are taking metoclopramide and uncontrollable movements develop, contact the prescribing physician immediately.
FDA-Approved Patient Information For The Heart Drug Amiodarone (CORDARONE) — A Last Choice Drug For Life-Threatening Heart Rhythm Disturbances
April 2005
Amiodarone has several potentially fatal toxicities, the most important of which is lung toxicity. This has resulted in clinically manifest disease at rates as high as 10 to 17 percent in some series of patients. This type of lung toxicity has been fatal about 10 percent of the time.
Cutting Your Drug Bill While Reducing Your Risk Of Avoidable Adverse Drug Reactions: Six Examples
February 2005
This article will look at the potential savings for the individual consumer if the alternative treatments recommended in Worst Pills, Best Pills were used for six DO NOT USE drugs. All six are listed in the Drug Topics Magazine Top 200 selling drugs in U.S. in 2003. The drugs are: celecoxib (CELEBREX) used for arthritis and pain; the Alzheimer’s disease drug donepezil (ARICEPT); drospirenone with ethinyl estradiol (YASMIN 28), an oral contraceptive; esomeprazole (NEXIUM) the “new purple pill” for heartburn; montelukast (SINGULAIR), a drug approved for both asthma and hay fever; and valdecoxib (BEXTRA), an arthritis drug very similar to celecoxib.The combined sales of these six DO NOT USE drugs was $8.1 billion with more that 75 million prescriptions dispensed in 2003.
Over-The-Counter Omeprazole (PRILOSEC OTC) — There Are Better Choices For Heartburn
October 2003
You should try the non-pharmacologic interventions listed in the box below before trying antacids, histamine-2 blockers, or, as a last resort, proton pump inhibitors. If you classify yourself as a person with frequent heartburn, that is heartburn more than two days per week, and the interventions recommended above have failed, you should be under the care of a physician
Calcium By Any Other Name is Still Calcium
May 2003
The jackals selling unregulated dietary and herbal supplements have been hard at it bombarding the public with preposterous, unsubstantiated claims about the superiority of their particular miracle natural calcium products. Some disreputable companies have gone beyond just claiming a better calcium product and are now declaring that “coral calcium,” for example if it is from Okinawa, is the secret to good health and a long life.