Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine lupus Skin discoloration plaquenil Plaquenil cause insomnia Find information about common, infrequent and rare side effects of Hydroxychloroquine Oral. Plaquenil Sulfate is a medicine used to treat rheumatoid arthritis and other inflammatory conditions such as systemic lupus. feeling sick, loss of appetite or. Side effects which can occur in patients taking hydroxychloroquine Plaquenil or chloroquine Aralen include More common - diarrhoea, headache, loss of appetite, nausea or vomiting, stomach cramping or pain. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine loss of appetite Hydroxychloroquine Uses, Dosage & Side Effects -, ATIENT NFORMATION ON HYDROXYCHLOROQUINE What plaquenil used forPlaquenil for arthritis side effectsPlaquenil botox interactionPlaquenil drug rashChloroquine mechanism of action autophagy View detailed reports from patients taking Hydroxychloroquine Sulfate who experienced decreased appetite. Reports are from official medical reports as well as online extractions from user reviews and forum discussions. Hydroxychloroquine Sulfate Decreased Appetite Reports.. Plaquenil and increased appetite/weight gain Lupus.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. I've been on plaquenil for a few years and unfortunately I have never noticed any loss of appetite from it. Unfortunately I was also on prednisone when I began this. Also, unfortunately I have been on several med school and even have celiac that warns of a potential of excessive weight loss. Yes, Plaquenil causes both weight loss and loss of appetite. Hence, if the loss of appetite and weight loss started after you started on this drug, then yes, it could be due to Plaquenil. However, if you had loss of appetite and weight loss before your started this drug, then the drug can aggravate the process. Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus.