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. Weight gain with plaquenil How to treat plaquenil toxicity Many people using this medication do not have serious side your doctor immediately if any of these unlikely but serious side effects occur arm/leg/ back pain, fast heartbeat, hair loss /color change, mental/mood changes e.g. anxiety, depression, hallucinations, ringing in the ears / hearing loss. Nov 09, 2018 Hydroxychloroquine is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. In summary Plaquenil isn't causing tyour new problems. It probably caused only the nausea, diarrhea, stomach cramps, and intense vertigo. BTW 100 mg daily may reduce side effects, but this low dosage also greatly annihilates its positive effects. 100 mg are a drop maybe two. on a hot stone. And finally 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. Hydroxychloroquine side effects kidney Long-Term Side Effects of Plaquenil for Rheumatoid Arthritis., Hydroxychloroquine - Side Effects, Dosage, Interactions. Otis pregnancy hydroxychloroquineCan plaquenil cause loss of hearingPlaquenil zonPlaquenil positive reviewsWhat does plaquenil do for you Like all medications, there is the risk of side effects. Fortunately, the problems seen by people taking this medication are usually very mild. Serious side effects are rare. Overall, most people who have any noticeable side effects from hydroxychloroquine experience diarrhea or nausea. RA and Hydroxychloroquine How Effective is it for Rheumatoid.. Plaquenil side effects - kidney problems? - Symptoms.. Long-Term Side Effects of Plaquenil for Rheumatoid.. Despite optimization of renin-angiotensin-aldosterone system RAAS inhibition, patients with immunoglobulin A nephropathy IgAN and persistent proteinuria remain at risk for kidney failure. We evaluated the efficacy and safety of hydroxychloroquine HCQ, an immunomodulator, when added to the treatment regimen of patients with IgAN. Common side effects include vomiting, headache, changes in vision and muscle weakness. Severe side effects may include allergic reactions. It appears to be safe in pregnancy but this use has not been well studied. Hydroxychloroquine is in the antimalarial and 4-aminoquinoline families of medication. Loss of appetite, tiredness, weakness, or headache are uncommon side effects and typically go away over time. Rare complications The greatest concern people have when taking hydroxychloroquine is related to vision.