Although not all of these side effects may occur, if they do occur they may need medical attention. Check with your doctor immediately if any of the following side effects occur while taking hydroxychloroquine: Incidence not known Some side effects of hydroxychloroquine may occur that usually do not need medical attention. Plaquenil reduction Does hydroxychloroquine cause health problems Hydroxychloroquine is usually taken with food or milk to prevent stomach upset. The dosage and length of treatment are based on your medical condition and response to therapy. In children, dosage is also based on weight. Valtrex valacyclovir is a prescription medication used to treat shingles, cold sores, genital herpes. Common side effects are nausea, vomiting, and headache. Drug interactions, uses, dosing, and pregnancy and breastfeeding safety information are provided. Jan 14, 2019 Valacyclovir is an antiviral drug. It slows the growth and spread of the herpes virus to help the body fight the infection. Valacyclovir is used to treat infections caused by herpes viruses, including genital herpes, cold sores, and shingles herpes zoster in adults. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. These side effects may go away during treatment as your body adjusts to the medicine. Plaquenil and valacyclovir TIER RECOMMENDED DRUG LIST BRAND NAME DRUGS WITH., Valtrex valacyclovir for Cold Sores Side Effects & Dosage Chloroquine hemozoin falciparum Acyclovir, famciclovir, and valacyclovir are antiviral drugs that are active against herpesviruses. These drugs' agents might interfere with replication of live zoster vaccine ZVL but will have no effect on RZV which does not contain live varicella virus. Ask the Experts about Zoster shingles Vaccines - CDC.. Valacyclovir Uses, Dosage, Side Effects -. Valacyclovir vs. Acyclovir vs. Famciclovir The Facts. Sep 13, 2019 Note This document contains side effect information about hydroxychloroquine. Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some. Update Unfortunately, we are no longer able to actively update and manage this list; as a result, we now recommend that anyone looking for gluten-free drug and medication information visit GlutenFreeDrugs.com, which is run by a pharmacist and actively maintained. Welcome to Gluten-Free Medications, your home for the latest confirmed gluten-free drugs and other medications. Find information about common, infrequent and rare side effects of Valacyclovir Oral.