Plaquenil is used to treat or prevent malaria, a disease caused by parasites that enter the body through the bite of a mosquito. Malaria is common in areas such as Africa, South America, and Southern Asia. How long does it take plaquenil to reach steady state Jefferson n biochemistry article chloroquine Levaquin interactions with plaquenil For tamoxifen to do its job, it needs to be broken down in the body by a key protein known as CYP2D6. Unfortunately, many common medicines can block or slow down CYP2D6, and that would make tamoxifen less effective. Certain medications used to treat depression should be avoided by women taking tamoxifen. Brand name Zantac. Ranitidine comes as a tablet, capsule, and syrup that are taken by mouth. It also comes as an injectable solution. Ranitidine oral tablet is used to treat intestinal and stomach ulcers, gastroesophageal reflux disease GERD, and conditions where your stomach makes too much acid. 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. Plaquenil is also an antirheumatic medicine and is used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. This medicine is not effective against all strains of malaria. Ranitidine and plaquenil Plaquenil Uses, Dosage & Side Effects -, Ranitidine Side Effects, Dosage, Uses, and More Plaquenil lupus doseHow is hydroxychloroquine takedHydroxychloroquine methotrexate drug interactionsPlaquenil contre indicationsWhat are the side effects of discontinuing plaquenil Does Plaquenil Interact with other Medications? Severe Interactions. These medications are not usually taken together. Consult your healthcare professional e.g. doctor or pharmacist for more in. Plaquenil Oral Interactions with Other Medication. Hydroxychloroquine Plaquenil. Plaquenil Hydroxychloroquine - Side Effects, Dosage.. If taken in combination with these drugs, it will actually increase your body’s production of stomach acid. This can cause nausea, bloating and stomach pain and can also damage your esophagus. Drugs that reduce stomach acid include Cimetidine Tagamet, Famotidine Pepcid, Ranitidine Zantac and Omeprazole. Dosage for Plaquenil. The adult dose of Plaquenil to suppress malaria is 400 mg on the same day each week. The pediatric weekly suppressive dosage is 5 mg/kg of body weight. The adult dose of Plaquenil to treat an acute attack of malaria is an initial dose of 800 mg followed by 400 mg in six to eight hours and 400 mg for two more days. Plaquenil, zantac, rheumatoid arthritis, methotrexate, antacid, stomach, contraindication I have an acid stomach and need to take an antacid need help to choose one that won't be a contraindication.