Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Chloroquine phosphate 250 mg Long-term progression of hydroxychloroquine retinopathy off the drug Chloroquine dose Summary Drug interactions are reported among people who take Marijuana and Plaquenil together. This study is created by eHealthMe based on reports of 61 people who take Marijuana and Plaquenil from Food and Drug Administration FDA, and is updated regularly. Hydroxychloroquine oral tablet can interact with other medications, vitamins, or herbs you may be taking. An interaction is when a substance changes the way a drug works. This can be harmful or prevent the drug from working well. To help avoid interactions, your doctor should manage all of your medications carefully. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects, nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug. 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. Plaquenil medication interactions Plaquenil Oral Interactions with Other Medication, Hydroxychloroquine Side Effects, Dosage, Uses, and More Generic of plaquenil and drynessPlaquenil side effect on eyes Identify these serious hydroxychloroquine drug interactions with the RxList drug interaction checker tool. Drugs A-Z Pill Identifier Supplements Symptom Checker Diseases Dictionary Media Slideshows Images Quizzes Hydroxychloroquine Drug Interactions - Serious Interaction.. Foods to Avoid When Taking Plaquenil Oral. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. When treating lupus or arthritis, hydroxychloroquine is usually given daily for several weeks or months. For best results, keep using the medication as directed. Talk with your doctor if your symptoms do not improve after 6 months of treatment. While using hydroxychloroquine. Plaquenil Hydroxychloroquine belongs to a group of medications known as anti-inflammatories and antimalarials. It is used alone or in combination with other anti-arthritic medications to treat rheumatoid arthritis. It helps to reduce pain, stiffness, and swelling in joints. Plaquenil may interact with acetaminophen, cancer medications, tuberculosis medications, birth control pills or hormone replacement therapy, arthritis medications, ACE inhibitors, antibiotics, antifungals, cholesterol medications, HIV/AIDS medications, NSAIDs non-steroidal anti-inflammatory drugs, or seizure medications. Tell your doctor all medications you use.