What side effects may I notice from receiving Aspirin, Caffeine, Orphenadrine Citrate?

Side effects that you should report to your care team as soon as possible:
-Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat
-Bleeding—bloody or black, tar-like stools, vomiting blood or brown material that looks like coffee grounds, red or dark brown urine, small red or purple spots on skin, unusual bruising or bleeding
-Hearing loss, ringing in ears
-Kidney injury—decrease in the amount of urine, swelling of the ankles, hands, or feet
-Liver injury—right upper belly pain, loss of appetite, nausea, light-colored stool, dark yellow or brown urine, yellowing skin or eyes, unusual weakness or fatigue
-Rash, fever, and swollen lymph nodes
-Redness, blistering, peeling, or loosening of the skin, including inside the mouth
-Round red or dark patches on the skin that may itch, burn, and blister
-Trouble passing urine
Side effects that usually do not require medical attention (report these to your care team if they continue or are bothersome):
-Blurry vision
-Constipation
-Dizziness
-Drowsiness
-Dry mouth
-Headache
-Nausea

This list may not describe all possible side effects for Aspirin, Caffeine, Orphenadrine Citrate. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.