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. Plaquenil creatinine Chloroquine phosphate fish Chloroquine dose per kg Hydroxychloroquine side effects may range from mild to severe, although some side effects may go away with time. Some of the most common side effects of hydroxychloroquine include 3, 4 loss of appetite. diarrhea. headache. nausea. vomiting. stomach pain. shakiness. skin rash. More serious hydroxychloroquine side effects include 3, 4 Doctors give unbiased, trusted information on whether Plaquenil can cause or treat Weight Gain Dr. Valdez on hydroxychloroquine and weight gain Depression can cause weight gain and loss, but alopecia not a common sign of depression. Side Effects Nausea, stomach cramps, loss of appetite, diarrhea, dizziness, or headache may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Remember. 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 side effects weight loss Plaquenil and loss of appetite - Lupus - MedHelp, Hydroxychloroquine and weight gain - Answers on HealthTap Goodrx hydroxychloroquineHydroxychloroquine side effects bleeding gumsBeau's lines plaquenil I recently went on Plaquenil a few months ago, and I have been noticing how much weight I've been losing. I feel like I am losing too much weight. I am a thin person, and I am sick very often. Last week, I lost three pounds, and the week before I lost two pounds. Everyone keeps commenting that I'm. Plaquenil and weight loss DailyStrength. Plaquenil Oral Uses, Side Effects, Interactions, Pictures.. Weight gain while on Plaquenil? lupus. Plaquenil Side Effects by Likelihood and Severity INFREQUENT side effects. If experienced, these tend to have a Severe expression. Weight Loss; Full Drug Information. The plaquenil has caused a weight gain of about 20-25 pounds for me. Since I was diagnosed with MCTD a year ago, Plaquenil has been the only medication besides eye supplements, thyroid meds - been stable for years, and most recently Evoxac that I have been given. Plaquenil can cause loss of appetite and I agree that losing weight at this rate and suffering diarrhea is not healthy and might mean you become ill nourished and dehydrated. I suggest lowering the dose, going back to the original, until your tum has settled down then very gradually increasing it to give your body the maximum chance to adjust to the higher dose.