Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Plaquenil and multivitamins Too much hydroxychloroquine Hydroxychloroquine vs chloroquine 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. Saturday was a week since I stopped taking Plaquenil, aka Hydroxychloroquine, per my doctor's instructions, and I think I am going through some form of withdrawal. I took the drug as a treatment for sarcoidosis and one of the side effects is a reduction in white blood cells, which is what has happened to me. Hydroxychloroquine Pregnancy Warnings Animal studies have revealed evidence of fetal harm. Use of chloroquine and other 4-aminoquinolines in high doses and for prolonged durations has been associated with neurological disturbances and interference with hearing, balance, and vision in the fetus. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Side effects of plaquenil on pregnancy Plaquenil - Side Effects, Uses, Dosage, Overdose, Pregnancy., Plaquenil Withdrawal – Life As An Anomaly Chloroquine kills sporozoitesWhat type of medication is plaquenilPlaquenil and pregnancy categoryLong term chloroquine effectsHydroxychloroquine mechanism of action in rheumatoid arthritis The full risks of using Plaquenil hydroxychloroquine during pregnancy are not known at this time. This eMedTV segment includes more information on Plaquenil and pregnancy, and explains whether the drug is likely to affect a fetus. Plaquenil and Pregnancy - Antibiotics Home Page. Hydroxychloroquine Use During Pregnancy. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Plaquenil is prescribed for the treatment or prevention of malaria. It is also prescribed for the treatment of rheumatoid arthritis, lupus, and the side effects of lupus such as hair loss, joint pain, and more. Side effects, drug interactions, pregnancy safety information, and dosage information should be reviewed prior to taking this medication. Hydroxychloroquine is in a class of drugs called antimalarials. It is used to prevent and treat acute attacks of malaria. It is also used to treat discoid or systemic lupus erythematosus and rheumatoid arthritis in patients whose symptoms have not improved with other treatments. I’ve been on Plaquenil for 6 months and am currently 11 weeks pregnant. I’ve had no side effects from it but do get my eyes checked due to possible retinal damage very rare from the Plaquenil. Unfortunately for me it hasn’t worked exceptionally well and I’ve been in a terrible flare.