Hydroxychloroquine is available as the brand-name drug Plaquenil. Generic drugs usually cost less than the brand-name version. Hydroxychloroquine may be used as part of a combination therapy. Chloroquine for lupus Plaquenil mouth sores Mylan-Hydroxychloroquine 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. Hydroxychloroquine is used to treat the symptoms of rheumatoid arthritis and systemic lupus erythematosus and to prevent and treat malaria. Includes hydroxychloroquine side effects, interactions and indications. Although there are few drug interactions with hydroxychloroquine, to be safe be sure to tell your doctor about all of the medications you are taking, including over-the-counter drugs and natural remedies. Be sure to notify your other physicians when taking this drug. Hydroxychloroquine is used to treat lupus erythematosus and rheumatoid arthritis. It isn’t fully understood how this drug works to treat lupus erythematosus or rheumatoid arthritis. That means you may need to take it with other drugs. It treats malaria by killing the parasites that cause the disease. Drug interactions with hydroxychloroquine Prednisone and Hydroxychloroquine sulfate drug interactions., Hydroxychloroquine Uses, Dosage & Side Effects - Generic plaquenil vs name brand Hydroxychloroquine Interactions Avoid taking an antacid or Kaopectate kaolin-pectin within 4 hours before or after you take hydroxychloroquine. Some antacids can make it harder for your body to. Hydroxychloroquine - Side Effects, Dosage, Interactions.. Hydroxychloroquine Plaquenil. Hydroxychloroquine oral Plaquenil Oral, Quineprox Oral Drug.. We would like to show you a description here but the site won’t allow us. Drug Interactions. Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. WebMD provides information about common drug or vitamin interactions for Hydroxychloroquine Oral. Interact with other Medications? Severe Interactions. drug interactions or adverse effects.