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
Patients taking the stomach-acid-suppressing drug rabeprazole (ACIPHEX) should be aware that it has clinically important interactions with many other prescription medications. Public Citizen’s Health Research Group has designated rabeprazole, a protein pump inhibitor, as Limited Use.
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.
April 2023
Patients taking the commonly prescribed calcium channel blocker felodipine should be aware that it has clinically important interactions with many other prescription medications as well as the dietary supplement St. John’s wort.
August 2022
Patients taking the oral combination antiviral drug PAXLOVID (nirmatrelvir and ritonavir), which is used to treat COVID-19, should be aware that it has clinically important and potentially dangerous interactions with many other prescription medications.
June 2022
Patients taking the drug quinidine should be aware that it has clinically important and potentially dangerous interactions with many other prescription medications.
November 2021
Patients taking the oral antifungal drug itraconazole (SPORANOX, TOLSURA) should be aware that it has clinically important interactions with many other prescription medications that can affect the safety or effectiveness of itraconazole or the interacting drugs.
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.
April 2021
Patients taking the commonly prescribed drug atorvastatin, which is a member of the statin family of cholesterol-lowering drugs, 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.
August 2020
Patients taking the commonly used blood thinner warfarin (COUMADIN, JANTOVEN) should be aware that it has clinically important interactions with numerous other prescription and over-the-counter medications, as well as some dietary supplements.
June 2020
Patients taking the commonly prescribed cholesterol-lowering drug simvastatin (FLOLIPID, VYTORIN, ZOCOR) should be aware that it has clinically important interactions with many other prescription 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.
December 2019
Patients taking the commonly prescribed antifungal drug fluconazole (DIFLUCAN) should be aware that it has clinically important interactions with many other prescription medications. Some of these interactions can lead to an increased risk of fatal heart rhythm abnormalities.
November 2019
For most people with hearing loss, the condition likely is age-related or due to long-term exposure to loud noise. But for some patients, the cause of the problem can be found in the medicine cabinet.
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.
September 2019
Fungal infections of the toenails and fingernails, a condition known as onychomycosis, are common. Learn why you should never take oral itraconazole or terbinafine to treat these cosmetic, non-health-threatening nail infections.
July 2019
Find out about the many prescription medications that can interact in dangerous ways with the four drugs approved by the FDA for treating erectile dysfunction in men.
May 2019
Read about the many prescription medications that can interact in dangerous ways with colchicine, a commonly used drug for treatment of acute gout attacks.
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.
September 2018
Read about the more than two dozen medications that can have clinically important interactions with aripiprazole, one of the widely used newer atypical antipsychotic drugs that is approved by the FDA for treatment of several disorders including schizophrenia, bipolar disorder and depression.
July 2018
Tremor is the single most common movement disorder, affecting millions of people in the U.S. If you have tremors, could one of your drugs be the cause? Read this article to learn the answer.
July 2016
For most people with hair loss, the condition usually is age-related or due to the genes they inherited from their parents. But for some patients, the cause of the problem can be found in the medicine cabinet. Learn about some commonly used medications that can cause hair loss.
November 2015
For most people with hearing loss, the condition likely is age-related or due to long-term exposure to loud noise. But for some patients, the cause of the problem can be found in the medicine cabinet. Learn about some commonly used medications that can cause hearing disorders.
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.
November 2010
This article discusses 36 drugs that, when used by people also using a corticosteroid, can either cause toxic interactions with the steroid or decrease the steroid's effectiveness.
September 2010
The article list 34 other medications that can harmfully interact with sleeping pills, increasing their sedative properties and causing excessive sedation. Excessive sedation at night could increase the risk of falls, should the person get up in the night for some reason. Moreover, excessive sedation causing respiratory depression could be dangerous for people with certain disorders, such as lung disease.
August 2010
The article lists 34 prescription drugs that can have harmful interactions with vincristine. Recognizing signs of toxicity from vincristine early, as described in the article, is urgent because most of the side effects are reversible when the interacting drug is stopped and the patient receives corrective treatment.
May 2010
After explaining the symptoms of low blood sugar (hypoglycemia) the article lists 42 prescription drugs that can interact with one or more diabetes drugs to increase the chance of hypoglycemia.
April 2010
The article lists 53 drugs that can interact with the psychiatric drug ABILIFY to either increase the amount in the body, which can lead to toxicity, or decrease the amount rendering the drug less effective.
March 2010
The article lists 35 different interacting drugs that can either increase blood levels of digoxin, leading to the serious problem of digitalis toxicity or decrease blood levels, causing the drug to be less effective.
February 2010
Quetiapine (SEROQUEL) can interact with 26 different drugs, increasing its blood levels and causing dangerous side effects such as slowed breathing, dizziness and fainting. The article also lists 10 other interacting drugs that can result in lower blood levels, rendering the drug less effective.
October 2009
Antacids can interact with a number of medications, either increasing or decreasing drug effect.
September 2009
The article lists 24 drugs that can increase the toxicity of oxycodone if taken together with the drug and 11 other drugs that can weaken its effectiveness as a painkiller if they are simutaneously used.
July 2009
The article lists 38 prescription drugs that can harmfully interact with statin drugs. The article also advises that No matter what statin you are taking and regardless of any interacting drugs, you should notify your prescriber immediately if you develop muscle pain, weakness or a darkening of your urine.
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June 2009
Taking alpha-blockers in combination with drugs for erectile dysfunction and with other drugs can cause dizziness and fainting.
In this article we will discuss alfuzosin (UROXATRAL), doxazosin (CARDURA), tamsulosin (FLOMAX) and terazosin (HYTRIN) and drugs with which they can have harmful interactions.
December 2008
This article lists 27 drugs that can have life-threatening interactions with the widely-used gout drug, colchicine, resulting in dangerously elevated levels of colchicine.
Too much colchicine in the body leads to toxicity such as fever, vomiting, diarrhea, abdominal pain and muscle pains.
Even worse, it can impair the bone marrow’s ability to make red and white blood cells, causing severe anemia and dangerously low numbers of white blood cells. When the number of white blood cells is reduced, your body may have difficulty fighting infections. Most people who have died from colchicine toxicity have had bone marrow toxicity or had preexisting kidney problems.
Every patient on colchicine — whether on other drugs or not — should be alert for evidence of colchicine toxicity as described above.
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.
November 2002
This is the second of a two-part series on drug-induced psychiatric symptoms that began in last month’s Worst Pills, Best Pills News. The information is based on the July 8, 2002 issue of The Medical Letter on Drugs and Therapeutics. Article lists drugs and adverse effects.
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