Malaria is common in areas such as Africa, South America, and Southern Asia. This medicine is not effective against all strains of malaria. Diphenhydramine interaction with plaquenil Eye retinal toxicity dosage hydroxychloroquine Plaquenil for early ra While these medications contain the same active ingredient, the preparation of generic hydroxychloroquine can sometimes cause stomach irritation. This sort of upset usually does not occur with commercial Plaquenil. Your doctor can ensure that you receive this version of the medication by writing “do not substitute” on your script. Anyone have stomach pain after taking their plaquenil? I took my first dosage on Sunday and my stomach hurt so bad I could hardly stand it. I drank milk but it still hurt. Now I'm scared to take any more. I want to feel better but not at that cost. Many people have nausea, stomach cramps, and diarrhea when they first start taking Plaquenil hydroxychloroquine. If you have heart, eye, liver conditions, or psoriasis, talk to your doctor to see if Plaquenil hydroxychloroquine is right for you. Get our free fact sheet What to expect from Plaquenil, on one page 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. Hydroxychloroquine and stomach pain Hydroxychloroquine Side Effects, Dosage, Uses, and More, Plaquenil and stomach pain DailyStrength Hydroxychloroquine risksHow long to try plaquenil The exact hydroxychloroquine mechanism of action is unclear, although it does work to interrupt the communication of immune system cells to decrease swelling, pain, and joint damage. 1, 2, 3, 5 From the community “My Rheumatologist recently put me on Hydroxychoroquine for treating osteoarthritis and joint cysts in my hands and every other. Hydroxychloroquine Plaquenil Success, Reviews and Side Effects. Plaquenil hydroxychloroquine Basics, Side Effects & Reviews.. Plaquenil, stomach pain and diarrhea. Jul 18, 2008 I have been on 400 mg daily of Plaquenil, last week my doctor took me off of it ue to increase in the pain I had been having in lower back and unbelievable pain in my left leg and especially the extreme pain in the heel of my left foot. It was becoming painful to walk. After 5 days of stopping pain was 80% better. Hydroxychloroquine sulfate and Abdominal pain upper - from FDA reports Summary Abdominal pain upper is found among people who take Hydroxychloroquine sulfate, especially for people who are female, 60+ old, have been taking the drug for 1 month, also take medication Enbrel, and have Psoriatic arthropathy. Feb 29, 2020 Hydroxychloroquine and chloroquine are designed to be taken with food. Taking either of these medications on an empty stomach can lead to stomach pains. Ingesting food or milk with a dose of either of these medications decreases the likelihood of experiencing stomach upset.