Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take Robitussin DM (guaifenesin and dextromethorphan liquid) with all of your drugs and health problems. Hydroxychloroquine vs methotrexate for rheumatoid arthritis How does plaquenil help fight lupus Does plaquenil caus stiff legs Can the interaction of Motrin and Robitussin cause heart attacks in children. Do not give children both of these medicines together. You can give them one or the other but not both. This study is created by eHealthMe based on reports of 3,854 people who take Prednisone and Hydroxychloroquine sulfate from Food and Drug Administration FDA, and is updated regularly. On eHealthMe, you can evaluate side effects and drug interactions from 16 million FDA reports. The results are personalized to your gender and age 0-99+. I am new to plaquenil and take 200mg twice a day. I have a cold now and wondered if anyone knows of any cold medicine that shouldn't be taken with it. I tried Robitussin and it seems to be fine. I haven't called my doc yet since the cold isn't too bad. Lise. WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Do not start, stop, or change the dose of any drug without checking with your doctor. Can you take robitussin and hydroxychloroquine together Can I safely take Robitussin and Claritin? Yahoo Answers, Prednisone and Hydroxychloroquine sulfate drug. Does plaquenil suppress your immune systemStomach problems with plaquenilHydroxychloroquine nursing considerations You can definitely take them both together safely," Long said, adding that you should check with your doctor to make sure you do not have an allergy or health condition that would be a problem. Can You Take Ibuprofen and Robitussin Together? POPSUGAR Fitness. Plaquenil and cold medicines DailyStrength. Robitussin DM Indications, Side Effects, Warnings -. Can patients take NyQuil and Robitussin together. There should be no need to take those medications together at the same time as they act on the same way, so their effects will become additive and there is a high risk of serious side effects to happen. 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 absorb hydroxychloroquine. Hydroxychloroquine side effects. Get emergency medical help if you have signs of an allergic reaction to hydroxychloroquine hives; difficulty breathing;. 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.