Oftentimes, you can reduce your risk for future bruising by making sure you’re getting the right nutrients in your diet. Read on to learn more about common causes, what to watch for, and when to see a doctor. Plaquenil side effects on heart Tests to get before starting hydroxychloroquine Plaquenil nervous system It is not the same thing as a blood clot in a vein, and it does not cause blood clots. Bruises that do not appear to be caused by an accidental injury may be caused by abuse. It is important to consider this possibility, especially if the bruises can't be explained or if the explanations change or do not match the injury. I know bruising can be related to a blood thing. Low blood counts can cause this so it may be something you need to bring to your doc. I'm not sure if Plaquenil lowers blood counts or not. I know since I'm on Methotrexate I have to keep an eye on this because it can lower my blood counts. Hydroxychloroquine - oral, Plaquenil. severe nausea/vomiting, easy bleeding/bruising, signs of infection e.g. fever, persistent sore throat. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more medication should not be used if you have. If you’ve recently overdone it at the gym, you may develop bruises around the affected muscles. Intense exercise can leave you with more than just sore muscles. Can plaquenil cause bruising Plaquenil Hydroxychloroquine - Side Effects, Dosage., Plaquenil and bruising? NOW ALL OVER BODY RASH! Malaria treated with chloroquine Plaquenil can cause bruising. Are you on Asprin or Warfarin? Reply 0 Report. Hi Pammy the prednisilone will cause bruising, my husband has been on them for a few years for COPD and they also cause very thin skin so you could find that even just knocking yourself you will end up tearing the skin. Content on HealthUnlocked does not. Bruising I keep getting bruises appear on my body.. HYDROXYCHLOROQUINE - ORAL Plaquenil side effects.. Bruising easily? Plaquenil? Just lupus in general? lupus. What Is Plaquenil? Plaquenil hydroxychloroquine is an antimalarial medication used to treat or prevent malaria, a disease caused by parasites, which enter the body through the bite of a mosquito. Plaquenil is also used to treat symptoms of rheumatoid arthritis and discoid or systemic lupus erythematosus. Plaquenil is available in generic form. What Are Side Effects of Plaquenil? Sporadic bruising usually isn't cause for worry. Oftentimes, you can reduce your risk for future bruising by making sure you're getting the right nutrients in your diet. Read on to learn more. Side Effects. Drug information provided by IBM Micromedex Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.