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. Can plaquenil cause drusen Hera study hydroxychloroquine Getting a cold while on plaquenil Chloroquine transfection protocol 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. 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 Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. 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. Plaquenil kidney side effects Plaquenil Indications, Side Effects, Warnings -, Plaquenil side effects - kidney problems? - Symptoms. Chloroquine familyCan plaquenil cause low white blood count What are the side effects of hydroxychloroquine Plaquenil? Side effects include irritability, headache, weakness, hair lightening or loss, stomach upset, nausea, dizziness, muscle pain, rash and itching. Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria. Plaquenil Oral Uses, Side Effects, Interactions, Pictures, Warnings.. Plaquenil - Uses, Side Effects, Interactions -. 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. The most common side effects are nausea and diarrhea, which often improve with time. Less common side effects include rash, changes in skin pigment such as darkening or dark spots, hair changes, and muscle weakness. Rarely, hydroxychloroquine can lead to anemia in some individuals. Plaquenil side effects Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye.