Search results below include Worst Pills, Best Pills Newsletter Articles where your
selected drug is a primary subject of discussion.
August 2023
Patients taking the stomach-acid–suppressing drug cimetidine, which is available over the counter as a generic, should be aware of its clinically important interactions with many other prescription medications.
June 2023
Some drugs, including commonly used prescription and over-the counter medications, can cause photosensitivity, increasing the skin’s vulnerability to sunlight. Nonsteroidal anti-inflammatory drugs and antibiotics are the drug classes with the strongest evidence for photosensitivity.
May 2023
Patients taking the antifungal drug voriconazole (VFEND), which is marketed in both oral and injectable forms, should be aware that it has clinically important interactions with many other prescription medications.
April 2022
Medications are a leading cause of sexual dysfunction in men. Knowing which drugs prescribed or recommended by your doctor can cause sexual dysfunction will allow you to take steps to prevent or minimize this common, often troubling adverse drug effect.
January 2022
Numerous prescription and over-the-counter drugs can cause or exacerbate constipation. Knowing which medications prescribed or recommended by your doctor cause constipation will allow you to take steps to prevent or minimize this common, troubling adverse drug effect.
December 2021
Learn why we have designated St. John’s wort, an herbal dietary supplement that is commonly available in capsules, tablets or teas, as Do Not Use.
August 2021
Patients taking the widely prescribed calcium channel blocker nifedipine (PROCARDIA, PROCARDIA XL) should be aware that it has clinically important interactions with many other prescription medications.
March 2021
Patients taking the commonly prescribed epilepsy drug carbamazepine (CARBATROL, EPITOL, EQUETRO, TEGRETOL, TERIL) should be aware that it has clinically important interactions with numerous other prescription and over-the-counter medications.
April 2020
Patients taking the commonly prescribed antibiotic clarithromycin (BIAXIN XL) should be aware that it has clinically important interactions with many other prescription medications.
September 2019
Patients taking the commonly prescribed epilepsy drug phenytoin (DILANTIN, PHENYTEK), one of the oldest epilepsy drugs, should be aware that it has clinically impor¬tant interactions with many other prescription and over-the-counter medications. Some of these interactions can lead to phenytoin toxicity, and others can lead to ineffective seizure control.
June 2019
Read about the many prescription drugs that can interact in dangerous ways with grapefruit or grapefruit products.
June 2019
Patients who have difficulty swallowing pills will sometimes crush tablets or open capsules and sprinkle the resulting powder, fragments or granules into food or liquids. Other patients will resort to chewing their pills before swallowing. Find out the dangers posed by taking such measures.
May 2019
For men, abnormally large breasts can be distressing and embarrassing. Find out about the numerous drugs that can cause breast enlargement in men.
April 2019
Drugs are the most frequent cause of taste disturbances. In this article, we identify more than 60 commonly used prescription medications that have been linked to problems with taste.
January 2019
Read about the many prescription and over-the-counter medications that can interact in dangerous ways with clopidogrel, a widely used anti-platelet drug.
November 2018
Read about the numerous medications that can interact with digoxin, a drug commonly prescribed for heart failure and atrial fibrillation. These interactions can result in either digoxin toxicity or decreased digoxin effectiveness depending on the other drug being used concomitantly.
February 2018
Abnormal involuntary movements (movement disorders) occur as adverse events associated with many widely used medications and can cause substantial hardship for affected individuals. Find out which drugs are associated with these adverse effects.
July 2016
Summer is a terrific time for healthy outdoor activities, such as walking, hiking, biking and swim¬ming. But for an unlucky few, certain medications can lead to adverse skin reactions following exposure to the sun. Find out whether you are at risk and how to protect yourself.
February 2015
Patients who have difficulty swallowing pills will sometimes crush tablets or open capsules and sprinkle the resulting powder, fragments or granules into food or liquids. Other patients will resort to chewing their pills before swallowing. Find out the dangers posed by taking such measures.
April 2014
Learn about new evidence demonstrating the dangers of combining calcium channel blockers, a widely used class of drugs for treating high blood pressure, with the commonly used macrolide antibiotic clarithromycin and other related antibiotics. Also find out which macrolide antibiotic does not have this dangerous interaction with calcium channel blockers.
July 2012
This article updates and expands our earlier list of drugs that can have harmful interactions with grapefruit juice. The list now includes 82 different drugs.
May 2012
The article lists many drugs that treat high blood pressure but can also increase the risk of gout. If you have gout, ask your doctor whether your dose of any of these drugs could be reduced or whether you should switch to a medication with a lower gout risk. However, hypertension control is of utmost importance.
May 2008
This article lists more than 60 prescription drugs that can interact with calcium channel blocking drugs such as amlodipine (NORVASC),diltiazem (CARDIZEM, DILACOR XR TIAZAC)or nifedipine (PROCARDIA)to either cause toxicity or to lessen the effectiveness of the calcium channel blocking drugs. Included in the lists are a number of drugs that we list in Worst Pills, Best Pills as DO NOT USE or LIMITED USE drugs. The article also explains the different kinds of toxicity that can ensue from these interactions.
February 2004
The January 5th issue of the Medical Letter, a widely respected source of independent information about pharmaceuticals and dietary supplements, has a review of the increasingly researched problem of the interaction between grapefruit juice and many prescription and over-the-counter drugs. Like most interactions between chemicals in the body, this one involves the impairment, by grapefruit juice, of the body’s ability to metabolize many drugs, leading to higher than expected — and sometimes dangerous — levels of these drugs.This article lists the drugs.
September 2003
DO NOT stop taking any of the drugs listed in the table without first consulting your physician.
You should report any alteration in your sense of taste to your physician if you are taking a drug.
June 2002
Grapefruit juice can interact with a number of therapeutically important drugs that could lead to the possibility of toxicity. These drugs are listed in the article.
January 2001
“You, or at least many of your colleagues, have failed to provide optimal care to your patients with high blood pressure.” This stinging critique of physician prescribing practices starts off an editorial in the Journal of General Internal Medicine for October 2000 that commented on a Harvard Medical School study of high blood pressure in older adults that appeared in the same issue.
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