Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Plaquenil and mastocytosis Side effects discontinuing plaquenil How long can i stay on plaquenil The European Medicines Agency EMA and the US Food and Drug Administration FDA are conducting investigations into certain ranitidine medicines, including some products commonly known as the brand-name drug Zantac, after they were found to contain a nitrosamine impurity called N-nitrosodimethylamine NDMA at low levels. Ranitidine oral tablet is a prescription drug that’s used to treat conditions such as stomach ulcers, gastroesophageal reflux disease GERD, and conditions where your stomach makes too much acid. What is Plaquenil? Plaquenil has active ingredients of hydroxychloroquine sulfate. It is often used in systemic lupus erythematosus. Check the latest outcomes from 53,829 Plaquenil users, or browse all drugs. What is Ranitidine hydrochloride? Ranitidine hydrochloride has active ingredients of ranitidine hydrochloride. It is often used in gastroesophageal reflux disease. 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 ranitidine , Ranitidine Side Effects, Dosage, Uses, and More Half life of hydroxychloroquine sulfateStopping hydroxychloroquine abruptlyCan plaquenil cause tinnitusPlaquenil chronic fatigue syndrome 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. Plaquenil and Ranitidine hydrochloride drug interactions.. Side Effects of Plaquenil Hydroxychloroquine, Warnings, Uses. Zantac and Plaquenil drug interactions by duration, gender, age Summary Drug interactions are reported among people who take Zantac and Plaquenil together. This study is created by eHealthMe based on reports of 700 people who take Zantac and Plaquenil from FDA, and is updated regularly. If you have psoriasis, chloroquine Aralen and hydroxychloroquine Plaquenil can cause problems. Other Medicines That Might Trigger a Flare. A few other drugs to discuss with your doctor include I've been on plaquenil for a year and a half and have had no side effects. It took about 8 months for the plaquenil to become completely effective and enable me to get off prednisone. Now I take plaquenil only and my lupus symptoms are much less severe with no advancement to organ involvement.