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. Hydroxychloroquine sulphate bp 200mg What is the process of making chloroquine Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Some vision changes get better after stopping. I have read about people stopping P & flaring up. Those who stopped it abruptly had real problems similar to what you are experiencing. If you really need to get off it, I would taper down slowly, very slowly. There is a similar posting on Healthunlocked, "Why oh why did u stop taking plaquenil." You may want to check it out. Tell your doctor if any of the following side effects, as they may be indications of a more serious reaction Headache. Loss of appetite. Dizziness. Nausea. Diarrhea, vomiting, or stomach pain. Skin rash. 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 Plaquenil Oral Uses, Side Effects, Interactions., Hydroxychloroquine plaquenil withdrawl? - LUPUS UK Aralen patient teaching Tell your doctor if any of these symptoms are severe or do not go away headache. dizziness. loss of appetite. nausea. diarrhea. stomach pain. vomiting. skin rash. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Withdrawal – Life As An Anomaly. I have been on the plaquenil 200 mgm for about 4 months now. I did stop it for 2 weeks early in the treatment due to having to take a coupld other drugs that seemed to give me side effects. I just quit the plaquenil to give my liver a rest at that time. Noticed nothing different. Plaquenil isn a antiparasitic drug with anti-inflammatory affect. Plaquenil toxicity isn’t even in the top 10, or the top 100” if you’re looking at incidence, he said. “It’s a pretty rare thing.” Nevertheless, he urged doctors to master the Academy’s new guidelines, because the effects from chloroquine and hydroxychloroquine, when they do occur, are severe and often irreversible. In Stop Sarcoidosis My pulmonist started me on high doses of prednisone in 1999, he would start to decrease, and he would tell me I am not responding to the decrease. Methotrexate and side effects In Stop Sarcoidosis Have just had my second dose of methotrexate and have had side effects already.