What are the side effects of orphenadrine, aspirin and caffeine?

Common side effects of orphenadrine citrate/caffeine/aspirin include:

  • dry mouth
  • dizziness
  • drowsiness
  • lightheadedness
  • headache
  • vomiting
  • upset stomach or indigestion
  • heartburn
  • constipation
  • abdominal or stomach cramps
  • muscle weakness
  • trembling
  • dilated pupils
  • blurred vision
  • difficulty urinating

Seek immediate medical attention if you develop an irregular or fast heartbeat, deep or rapid breathing, confusion, skin rash, hallucinations, convulsions, hearing loss, or fainting while taking this medication. Other serious side effects include:

  • prolonged severe headache
  • hearing loss
  • ringing in the ears
  • diarrhea
  • bloody urine
  • nervousness
  • increased sweating
  • vomiting
  • nausea
  • fever
  • vision problems
  • unusual thirst

Less common side effects include:

  • eye pain
  • pounding heartbeat
  • bloody stools
  • decreased urination
  • difficulty breathing
  • skin rash
  • hives
  • sores
  • ulcers
  • unusual bruising or bleeding
  • swollen glands
  • vomit resembling coffee grounds

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.