Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Plaquenil (hydroxychloroquine) with all of your drugs and health problems. Dress hydroxychloroquine Hydroxychloroquine sul 200 For women, start with 100 pounds, and add 5 pounds for every inch over 5 feet. For men, start with 106 pounds, and add 6 pounds for every inch over 5 feet. The maximum dose of Plaquenil is 6.5 mg/kg of ideal body weight per day, regardless of whether a person is overweight, underweight, or normal weight. One kilogram kg equals 2.2 pounds. Plaquenil is generally well-tolerated, but side effects are possible. Common side effects linked to Plaquenil include nausea and diarrhea. Taking the medication with food eases nausea for most people taking the drug. Less common side effects include skin rashes, hair thinning, and weakness. My doctor wants me to start taking Plaquenil tomorrow. I have read some of your comments about nausea, heartburn, indigestion, and hair loss. I am wondering how long it will take to get any of these side effects if at all after I start Plaquenil? One day, one week, one month, one year? Thank. For all uses of Plaquenil (hydroxychloroquine): WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Plaquenil side effects when starting Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Taking Plaquenil for Rheumatoid Arthritis Can you take hydroxychloroquine with percosetsIs plaquenil toxicRegimens of chloroquineCan plaquenil cause diarrhea Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Long-Term Side Effects of Plaquenil for Rheumatoid.. How long taking Plaquenil before side effects DailyStrength. Hydroxychloroquine Plaquenil. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. A Disorder Of The Retina Of The Eye;. RARE side effects. Aug 14, 2017 Plaquenil can cause serious side effects when used in high doses for chronic diseases such as RA over the long term. The New Zealand Dermatological Society recommends that to decrease the risk of retina damage, no more than 200mg of Plaquenil should be taken a day, and a dose of 400mg per day should be taken no longer than a few weeks. Although they are uncommon, Plaquenil has side effects that may affect your eyes. Plaquenil and Your Eyes In some people, Plaquenil can cause a condition called hydroxychloroquine retinopathy, often referred to as bulls-eye maculopathy.