It may have both an anti-spirochaete activity and an anti-inflammatory activity, similar to the treatment of rheumatoid arthritis. And caution is required if patients have certain heart conditions, diabetes, psoriasis etc. Chloroquine peak plasma concentrations Can plaquenil cause gingivitis in humans What lupus symptoms does plaquenil treat Hydroxychloroquine may cause some people to be agitated, irritable, or display other abnormal behaviors. It may also cause some people to have suicidal thoughts and tendencies, or to become more depressed. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. You should not use hydroxychloroquine if you are allergic to it. Hydroxychloroquine should not be used for long-term treatment in children. To make sure hydroxychloroquine is safe for you, tell your doctor if you have a history of vision changes or damage to your retina caused by an anti-malaria medication; Does Hydroxychloroquine SULFATE Interact with other Medications? Severe Interactions. Medications That Make You Tired. Common culprits and what you can do. Pharmacy and Medication Tips. The most serious adverse effects affect the eye, with dose-related retinopathy as a concern even after hydroxychloroquine use is discontinued. The most common adverse effects are a mild nausea and occasional stomach cramps with mild diarrhea. Does hydroxychloroquine sulfate make you tired Hydroxychloroquine Indications, Side Effects, Warnings., Plaquenil, Plaquenil Sulfate, Quineprox. Chloroquine phoenix cellsChloroquine ocular side effectsLong term use of hydroxychloroquine Get emergency medical help if you have signs of an allergic reaction hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Hydroxychloroquine Oral Interactions with Other Medication. Hydroxychloroquine Sulfate Tablet - Uses, Side-effects.. Hydroxychloroquine HCQ, sold under the brand name Plaquenil among others, is a medication used for the prevention and treatment of certain types of malaria. Specifically it is used for chloroquine -sensitive malaria. Other uses include treatment of rheumatoid arthritis, lupus, and porphyria cutanea tarda. Rated Hydroxychloroquine for Lupus Report. My disease isn't listed but I take this med for mixed connective tissue disease. I've been on it for 3 weeks and at this stage I'm actually feeling much better. I can't wait to see how I'll feel in 8 weeks I've really suffered no ill effects except a little nausea. This can lead to blindness. This problem is most common when high doses are taken for a long time. If you will be taking hydroxychloroquine for a while, it is recommended to have a thorough eye exam before starting it and every three months while taking it. Hydroxychloroquine may make psoriasis worse.