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. Plaquenil para el lupus Hydroxychloroquine retinal 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. 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. Plaquenil may increase the level of cyclosporine in your blood, which can be quite dangerous. If you take these two medications together, your healthcare provider may need to monitor your cyclosporine levels and adjust your cyclosporine dosage as necessary. 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 Cough And Cold Combinations Oral Route Before Using - Mayo., Plaquenil and cold medicines DailyStrength Plaquenil contraindicationsNorth pharmaceuticals makers of hydroxychloroquine 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. Can you take NyQuil and Robitussin together Drugs Details. Drugs That Can Interfere With Plaquenil. Robitussin DM Indications, Side Effects, Warnings -. Also, you should never take Robitussin and Mucinex together. Not only will this not resolve your symptoms any faster, but it could also actually hurt you. Because both of these products contain. Doctors give trusted answers on uses, effects, side-effects, and cautions Dr. Hegab on can you take ativan with robitussin No interaction noted btwn NyQuil and. 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.