Possible side effects associated with rivaroxaban include headache, dizziness, nosebleeds and paralysis, according to Drugs.com. Some people may experience back pain, numbness, weakness in the legs, or difficulty breathing or swallowing after taking rivaroxaban.
Some people who take rivaroxaban may pass bloody, black, red or tarry stools, notes Drugs.com. Rivaroxaban can also cause a person to vomit blood or a material that looks similar to coffee grounds. Rivaroxaban can cause cuts to bleed for longer than usual. Other possible side effects include dark brown or red urine, bladder or bowel dysfunction, increased vaginal bleeding or menstrual flow, and a burning, itching, tingling or prickling feeling.
Less common side effects that may occur when taking rivaroxaban include fainting, wound secretion or pain in the legs or arms, states Drugs.com. Rare side effects include painful or difficult urination or a burning feeling when urinating.
Other side effects are possible, but bleeding complications are the most common side effects associated with rivaroxaban, notes Drugs.com. It is important to seek immediate medical attention if side effects do occur, as a health care professional may be able to reduce or prevent the side effects. Some side effects may subside over time as the body grows accustomed to the medication.