It does not work against certain types of malaria (chloroquine-resistant). The United States Center for Disease Control provides updated guidelines and travel recommendations for the prevention and treatment of malaria in different parts of the world. Dizziness on plaquenil Why does plaquenil work If you are taking hydroxychloroquine for a long period of time, your doctor will recommend frequent eye exams. It is very important that you keep these appointments. Hydroxychloroquine can cause serious vision problems. If you experience any changes in vision, stop taking hydroxychloroquine and call your doctor immediately. Aug 14, 2017 According to the New Zealand Dermatological Society, Plaquenil can cause abnormalities in blood counts. An abnormally low number of white blood cells can lead to infection, because white blood cells defend the body against bacteria. Low platelet count thrombocytopenia can lead to easy bleeding and bruising. Talk to your doctor about using hydroxychloroquine safely. This drug may make you dizzy. Alcohol or marijuana can make you more dizzy. Do not drive, use machinery, or do anything that needs. This medication is also used, usually with other medications, to treat certain auto-immune diseases (lupus, rheumatoid arthritis) when other medications have not worked or cannot be used. Discuss the most recent information with your doctor before traveling to areas where malaria occurs. Does hydroxychloroquine make you bleed Plaquenil Side Effects Common, Severe, Long Term -, Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis. Chloroquine tablet You should not use hydroxychloroquine if you are allergic to it. Hydroxychloroquine should not be used for long-term treatment in children. To make sure hydroxychloroquine is safe for you, tell your doctor if you have a history of vision changes or damage to your retina caused by an anti-malaria medication; Plaquenil, Plaquenil Sulfate, Quineprox hydroxychloroquine.. Plaquenil Oral Uses, Side Effects, Interactions.. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Plaquenil tries to quiet or slow down the immune system. How do you take Plaquenil? You take Plaquenil as a pill 1 or 2 times a day. Take the pills with food or milk. Your body weight will tell your doctor what dose is safe for you. What to do if you forget to take your Plaquenil. If you miss a dose of Plaquenil, do not make it up or double. Hydroxychloroquine is used to prevent or treat malaria infections caused by mosquito bites. It does not work against certain types of malaria chloroquine-resistant. The United States Center for. Hydroxychloroquine SULFATE Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. Medications That Make You Tired. Common.