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. Hydroxychloroquine classification Plaquenil toxicity eye Hydroxychloroquine and leflunomide together Synthroid with plaquenil Side effects from chloroquine phosphate can occur. Tell your doctor if any of these symptoms are severe or do not go away headache; loss of appetite; diarrhea; upset stomach; stomach pain; skin rash or itching; hair loss; mood or mental changes; If you experience any of the following symptoms, call your doctor immediately seeing light flashes and streaks Chloroquine is the generic form of the brand-name prescription medicine Aralen, which is used to prevent and treat malaria — a mosquito-borne disease caused by a parasite — and to treat. Before taking hydroxychloroquine, tell your doctor and pharmacist if you are allergic to hydroxychloroquine, chloroquine Aralen, primaquine, or any other drugs. tell your doctor and pharmacist what prescription and nonprescription drugs you are taking, especially acetaminophen Tylenol, others, digoxin Lanoxin. 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. Chloroquine headache Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Chloroquine Aralen - Side Effects, Dosage, Interactions - Drugs Chloroquine route of administrationHydroxychloroquine and ibuprofen Mar 16, 2020 Chloroquine is an immunosuppressive drug and anti-parasite commonly used in malaria treatment. It’s most often taken as a tablet by mouth. including headaches and gastrointestinal symptoms. Is Chloroquine a Cure for Coronavirus? Scientists Say Maybe.. Hydroxychloroquine MedlinePlus Drug Information. Plaquenil Withdrawal – Life As An Anomaly. Find patient medical information for Chloroquine Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Chloroquine can be used to kill malaria parasites living in red blood cells. Side effects of hydroxychloroquine may include headache. Vomiting may be a side effect of chloroquine use. Both hydorxychloroquine and chloroquine are traditionally used as medication to treat or prevent malaria. For all uses of chloroquine Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered. Signs of liver problems like dark urine, feeling tired, not hungry, upset stomach or stomach pain. Signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak.