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 hydroxychloroquine with all of your drugs and health problems. Plaquenil hydroxychloroquine ocd Chloroquine cancer Find patient medical information for Plaquenil Oral on WebMD including its uses, side effects and safety, interactions, pictures, warnings and user ratings. I am going to talk with my RA doc about the cough at my next visit in early August. I see in the side-effect list that Plaquenil can cause the Bronchospasm, but it appears to be a very rare side effect. I have thought the methotrexate or my blood pressure pill Cardizem - which has cough as a side effectmight be causing it. Common side effects of Plaquenil include nausea, vomiting, stomach pain or cramps, loss of appetite, weight loss, diarrhea, dizziness, spinning sensation, headache, ringing in your ears, mood changes, nervousness, irritability, skin rash, itching, or. hair loss. For all uses of hydroxychloroquine: 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. Plaquenil side effects cough Plaquenil Side Effects - GoodRx, Plaquenil and Bronchospasm / Cough. DailyStrength Can plaquenil cause low blood pressurePrednisone for plaquenilIs hydroxychloroquine fda approved for diabetesChloroquine hydrochloride injectionChloroquine retinal screening Some side effects of hydroxychloroquine may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Plaquenil Side Effects Common, Severe, Long Term -. Plaquenil vs. Benlysta Prescription Treatment for Malaria.. Hydroxychloroquine Indications, Side Effects, Warnings.. Apr 10, 2019 Plaquenil side effects Get emergency medical help if you have signs of an allergic reaction to Plaquenil hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Taking Plaquenil long-term or at high doses may cause irreversible damage to the retina of your eye. Possible side effects of methotrexate include nausea, vomiting, and abnormal liver function. Some patients develop mouth sores, rash, or diarrhea. Tell your doctor if you develop shortness of breath or chronic cough. Additionally, some patients may experience hair loss. If you or your caregiver notice any of these side effects, tell your doctor right away. This medicine may cause hypoglycemia low blood sugar. This is more common when this medicine is taken together with certain medicines. Low blood sugar must be treated before it causes you to pass out unconsciousness.