Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Hydroxychloroquine muscle toxicity Stopping hydroxychloroquine while on levaquin 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. Severe Interactions These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. These medications may interact and cause very harmful effects. Consult your healthcare professional e.g. doctor or pharmacist for more in formation. Plaquenil is used to treat other types of infections too. For example, it may be combined with an antibiotic to treat chronic Q-fever, which humans usually catch from farm animals or raw milk. 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 and other medications Compare Plaquenil vs Chloroquine -, Tamoxifen Oral Interactions with Other Medication Chloroquine phosphate and alcoholPlaquenil lupus fatigueChloroquine gametocidalPlaquenil eye effectsChloroquine (aralen) price Hydroxychloroquine Plaquenil is considered a disease-modifying anti-rheumatic drug DMARD. It can decrease the pain and swelling of arthritis. It may prevent joint damage and reduce the risk of long-term disability. Hydroxychloroquine is in a class of medications that was first used to prevent and treat malaria. Hydroxychloroquine Plaquenil. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. Plaquenil Uses, Dosage & Side Effects -. May 12, 2010 The links below have names of medicines which may be used to treat RA or Lupus. yes they also use a combonation of prednisone and cyclosporine for both of those plus several other mctd. Some drugs that may interact with Plaquenil antacids. botulinum toxins. digoxin. kaolin. magnesium trisilicate. methotrexate. metoprolol. penicillamine. 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.