Worst Pills, Best Pills

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

acyclovir (SITAVIG, XERESE, ZOVIRAX)


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 primary subject of discussion.


WORST PILLS, BEST PILLS NEWSLETTER ARTICLES

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

Treatments for Cold Sores: An Updated Review
August 2019
Accounting for approximately 41 million prescriptions dis¬pensed in the U.S. in 2017, the opioid analgesic tramadol is among the most widely used painkillers. New research linking tramadol to an increased risk of death reinforces our long-standing Do Not Use designation for this drug.
Medications that Cause Taste Disorders
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.
Important Questions About Shingles
June 2016
Shingles is a very common disease caused by the chicken (herpes zoster) virus. Elderly adults are particularly vulnerable to developing this painful and sometimes debilitating condition. Learn the facts about shingles and how you can lower your risk of developing it.
Drugs for Cold Sores: How Well Do They Work?
May 2010
The article reviews studies showing that widely-sold prescription drugs for treating cold sores, such as ZOVIRAX, DENAVIR, FAMVIR, and VALTREX and ABREVA have significant side effects, are expensive and, on the average, only reduce the duration of the cold sore by less than one day. The article describes other non-drug methods to treat cold sores that make more sense.
FDA Issues New Warnings For Muscle Spasm Drug Tizanidine (ZANAFLEX)
August 2007
The muscle spasm drug tizanidine (ZANAFLEX) combined with certain other drugs could cause serious complications such as drowsiness and can dramatically lower blood pressure, according to the Food and Drug Administration (FDA). The article lists 20 drugs to avoid if you are using Zanaflex so that you avoid these potentially dangerous interactions.
Drug Induced Psychiatric Symptoms (Part 2)
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.