Worst Pills, Best Pills

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

quinidine (DURAQUIN, NUEDEXTA, QUINAGLUTE DURA-TABS, QUINIDEX)


DISEASE AND DRUG FAMILY INFORMATION

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

Diarrhea
How to Treat Acute Simple Diarrhea Do not eat or drink milk and dairy products, fresh fruits and vegetables, coffee, spicy foods, or other food you do not tolerate well. Do not consume drinks with a high sugar content, such as grape juice, apple juice, and soft drinks, including cola, ginger ale, and sports drinks. Do not eat highly sweetened foods such as candy, ice cream, or Jell-O because they have too much sugar, which can make the diarrhea worse.Drink plenty of ORS (see formula in box).

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.

moxifloxacin (AVELOX)
  • We list theses drugs as Do Not Use drugs because they are no more effective than similar drugs and cause irregular heartbeat.
gemifloxacin (FACTIVE)
  • We list this drug as a Do Not Use drug because it causes severe rashes and may cause irregular heartbeat and liver damage.
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.

Nebivolol (BYSTOLIC): Limited Use for Hypertension
April 2018
When the beta blocker nebivolol was approved by the FDA in 2007, we advised readers not to use the drug until 2015, in accordance with our seven-year rule. Find out why we now have designated nebivolol as Limited Use and whether it is the right choice for treating hypertension.
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.
Do Not Use the New Blood Thinner Edoxaban (SAVAYSA)
November 2017
Learn why edoxaban, one of the new blood thinners approved by the FDA, is not the best option for preventing dangerous blood clots in patients with atrial fibrillation.
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.
Quetiapine (SEROQUEL) Drug Interactions and Heart Trouble
December 2011
Find out about 12 drugs that can interact with widely prescribed quetiapine -- 12 million prescriptions sold in 2010 -- to cause serious, sometimes fatal, heart arrhythmias.
Drug Mix-Ups
June 2011
This article lists 355 drugs with names that are often confused with similar-sounding drug names. Find out what you can do to prevent getting the wrong drug.
Watch Out for Interactions with Tamoxifen (NOLVADEX)
March 2009
Tamoxifen (NOLVADEX) is still widely and successfully used for treatment of breast cancer. However, when used along with certain other drugs, its effectiveness can be significantly reduced. The article explains how this can happen and lists 19 different drugs that can cause this serious problem if used with tamoxifen.
Codeine: The Drug With Multiple Personalities
June 2008
Codeine is routinely converted to morphine in the body in order for it to be an effective painkiller. The metabolism of codeine to morphine takes place through the actions of an enzyme in the liver. The article explains how various drugs and or a person's genetic makeup can greatly influence the conversion of codeine to morphine, making its pain-relieving properties too week if not enough conversion occurs and resulting in what amounts to an overdose at the recommended dose if the conversion to morphine is too rapid. Fourteen drugs that inhibit the conversion to morphine are listed in the article.
Macrolide Antibiotic Drug Interactions
February 2008
The article discusses the adverse drug interactions between either of two widely-prescribed macrolide antibiotics, erythromycin (as in ERYTHROCIN) and clarithromycin (BIAXIN)and more than 40 other drugs that are listed in a table in the article. It also describes the nature of the adverse interactions that can occur.
SSRIs Can Have Dangerous Interactions With Other Drugs
January 2008
More than 70 million prescriptions a year are filled for these popular antidepressants, including Prozac, Paxil, Zoloft, Luvox, Celexa and Lexapro. This article gives details about more than 60 other widely prescribed prescription drugs that can have harmful interactions if used with these antidepressants. The two different kinds of interactions are also discussed.
A Review of Ranolazine (RANEXA) For Chronic Chest Pain
March 2007
Although the FDA medical officer in charge of reviewing ranolazine recommended that ranolazine's professional product labeling display a black box warning about potential disruption in the heart's electrical cycle, the drug does not have a black box warning.
Do Not Use Until December 2009 The New Antipsychotic Drug Aripiprazole (ABILIFY)
June 2003
You should follow the Health Research Group’s Seven Year Rule with aripiprazole. There is no evidence to suggest that aripiprazole is a “breakthrough” drug.
Stronger Warnings for the Fluoroquinolone Antibiotic Gatifloxacin (TEQUIN)
May 2003
Stronger warnings have been added to the professional product label, or “package insert,” for the fluoroquinolone antibiotic gatifloxacin (TEQUIN) about possible heart rhythm disturbances and problems with blood sugar control. This drug was approved by the Food and Drug Administration (FDA) in October 2001 and its marketing brought to nine the number of fluoroquinolone antibiotics on the market.