Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Does plaquenil have small amounts of malaria in it Plaquenil and weight gain Do not take antacids or kaolin within 4 hours of Plaquenil hydroxychloroquine. What do I do if I miss a dose? Take a missed dose as soon as you think about it. If it is close to the time for your next dose, skip the missed dose and go back to your normal time. Do not take 2 doses at the same time or extra doses. Allopurinol 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. Other Interactions. Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco. 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. Does allopurinol interact with plaquenil Hydroxychloroquine Plaquenil Side Effects & Dosage for Malaria, Allopurinol Side Effects, Dosage, Uses & More What if hydroxychloroquine doesn t workHow soon would you have side effects with plaquenilWhat is chloroquine tablets used forHomocysteine plaquenilPlaquenil for hives Hydroxychloroquine Plaquenil is used to treat malaria, lupus, and rheumatoid arthritis. Learn about side effects, warnings, dosage, and more. Hydroxychloroquine oral tablet can interact with. Hydroxychloroquine Side Effects, Dosage, Uses, and More. Meloxicam Oral Route Before Using - Mayo Clinic. Allopurinol Zyloprim, Aloprim Uses, Side Effects, Dosages, Treatment.. Use WebMD’s Drug Interaction Checker tool to find and identify potentially harmful and unsafe combinations of prescription medications by entering two or more drugs in question. Amoxicillin is a penicillin antibiotic. It is used to treat various bacterial infections including infections of the ears, respiratory tract, sinuses, skin and urinary tract. Side effects can include nausea, headache, diarrhea and rash. There is a potential interaction between allopurinol and amoxicillin. Here are 10 things to keep in mind when using Plaquenil Take it on a regular schedule, meaning at the same time each day. Take Plaquenil EXACTLY as prescribed by your physician. Do not stop taking the medication without first speaking to your doctor. Taking Hydroxychloroquine with food and/or milk can help prevent stomach upset.