Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine foods to avoid Manufacturer of plaquenill May 24, 2019 What are some other side effects of Hydroxychloroquine? All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away Dizziness. Headache. Feeling nervous and excitable. Sep 13, 2019 Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. 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. Taking hydroxychloroquine long-term or at high doses may cause irreversible damage to the retina of your eye. Hydroxychloroquine is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Hydroxychloroquine dental side effects Common and Rare Side Effects for Plaquenil Oral, Plaquenil Side Effects Common, Severe, Long Term - Potential adverse effect with hydroxychloroquineWhat can plaquenil treat Find patient medical information for Hydroxychloroquine Sulfate Bulk on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. Hydroxychloroquine Sulfate Bulk Uses, Side Effects.. Hydroxychloroquine Oral Route Precautions - Mayo Clinic. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. 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. Rheumatoid Arthritis. The action of hydroxychloroquine is cumulative and may require weeks to months to achieve the maximum therapeutic effect see CLINICAL PHARMACOLOGY. Initial adult dosage 400 mg to 600 mg 310 to 465 mg base daily, administered as a single daily dose or in two divided doses. The more common side effects that can occur with hydroxychloroquine include headache. dizziness. diarrhea. stomach cramps. vomiting.