These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Plaquenil and low blood sugar Can u get high on hydroxychloroquine Can chloroquine injection terminate pregnancy How longbto take plaquenil after alcohol 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. Hi honey, YES.stopping plaquenil for a couple of days can cause symptoms to arise or get worse.needs to be taken exactly as prescribed. Twice a day, every day. Missing one dose wont make a major difference but skipping more then one, or days absolutely can. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about. If you notice any other effects, check with your healthcare professional. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them: Other side effects not listed may also occur in some patients. Stopping plaquenil effects What is the correct way to discontinue use of plaquenil?, Stopping plaquenil. DailyStrength Plaquenil reduces preeclampsiaHydroxychloroquine retinal toxicity I recently decided to stop taking Plaquenil because I was having constant chest pains even more so than I usually have due to Lupus. Since I have not taken it my chest feels so much better which is odd because chest pain is not listed as a side effect. Also I noticed that the Plaquenil I think was making me feel different but not in a good way. Had to stop taking Plaquenil -. Hydroxychloroquine Oral Route Side Effects - Mayo Clinic. Let me tell you what weaning down from Plaquenil is like.. Common side effects Nausea and diarrhea This can often can be combatted by taking Plaquenil with food or milk. Dizziness Precautions with this side effect Do not drive, use machinery. Cramps. Headache. Dry skin. Loss of appetite. Or shorter - up to 200 mg Plaquenil daily; Women with lupus who are AT OR BELOW their ideal body weight should go by these dosing rules 135 lbs. or more, any height - up to 400 mg Plaquenil daily; 102 lbs. to 134 lbs. - up to 300 mg Plaquenil daily; 101 lbs or less - up to 200 mg Plaquenil daily; A lupus patient explains her changes in vision Common side effects may include headache, dizziness, ringing in your ears; nausea, vomiting, stomach pain; loss of appetite, weight loss; mood changes, feeling nervous or irritable; skin rash or itching; or. hair loss.