Hydroxychloroquine belongs to a group of medicines known as antimalarials. It works by preventing or treating malaria, a red blood cell infection transmitted by the bite of a mosquito. Hydroxychloroquine toxicity Plaquenil ulcerative colitis Some of the dosage forms listed on this page may not apply to the brand name Plaquenil. For the Consumer. Applies to hydroxychloroquine oral tablet. Along with its needed effects, hydroxychloroquine the active ingredient contained in Plaquenil may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention. Hydroxychloroquine Plaquenil is a drug that is classified as an anti-malarial drug. 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. I went to rheumie last week and told her I have been having symptoms that I thought were coming from the plaquenil that I started in October. I have been having bouts of dizziness and lightheadedness behind the eyes, also trouble with balance, bloated and terrible gas. Weakness in my shoulders. Awful nightmares. Hydroxychloroquine is used to treat discoid lupus erythematosus (DLE) or systemic lupus erythematosus (SLE or lupus). However, this medicine is not used to treat severe or complicated malaria. Plaquenil nightmares Hydroxychloroquine Plaquenil Side Effects & Dosage for., Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria Aralens.ir Nightmares; Nystagmus, A Condition With Involuntary Eye Movements; Ringing In The Ears; Sensation Of Spinning Or Whirling; Weight Loss Common and Rare Side Effects for Plaquenil Oral. Plaquenil and dizziness DailyStrength. Plaquenil and nightmares - Sjogren's World. Out of all drugs, the antidepressant paroxetine Paxil holds the strongest clinical evidence for causing nightmares and disordered dreaming. Paroxetine belongs to a class of medications known as selective serotonin reuptake inhibitors SSRIs. These medications affect the neurotransmitter serotonin in the brain to improve mood. Plaquenil and Nightmares - from FDA reports Summary Nightmares is found among people who take Plaquenil, especially for people who are female, 60+ old also take medication Synthroid, and have Stress and anxiety. Despite being a fairly common occurrence in many people’s lives, bad dreams and nightmares still remain somewhat of a mystery to neuroscientists and psychologists. It is believed that bad dreams could possibly be an unconscious reflection of trauma or stress experienced during waking life, or perhaps even be an indicator of physiological.