Fioricet Side Effects

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.

Check with your doctor immediately if any of the following side effects occur:

More common

      1. Lightheadedness
      2. shortness of breath

Incidence not known

      1. Abdominal or stomach pain
      2. black, tarry stools
      3. bleeding gums
      4. blistering, peeling, or loosening of the skin
      5. blood in the urine or stools
      6. blurred vision
      7. change in the frequency of urination or amount of urine
      8. chills
      9. cough
      10. diarrhea
      11. difficulty with breathing
      12. difficulty with swallowing
      13. dizziness
      14. drowsiness
      15. dry mouth
      16. fainting
      17. fast, pounding, or irregular heartbeat or pulse
      18. flushed or dry skin
      19. fruit-like breath odor
      20. hives, itching, or skin rash
      21. increased hunger
      22. increased thirst
      23. increased urination
      24. joint or muscle pain
      25. loss of appetite
      26. nausea or vomiting
      27. pinpoint red spots on the skin
      28. puffiness or swelling of the eyelids or around the eyes, face, lips, or tongue
      29. red skin lesions, often with a purple center
      30. red, irritated eyes
      31. seizures
      32. shakiness in the legs, arms, hands, or feet
      33. sore throat
      34. sores, ulcers, or white spots in the mouth or on the lips
      35. sweating
      36. swelling of the feet or lower legs
      37. tightness in the chest
      38. trembling or shaking of the hands or feet
      39. troubled breathing
      40. unexplained weight loss
      41. unusual bleeding or bruising
      42. unusual tiredness or weakness
      43. weakness

Get emergency help immediately if any of the following symptoms of overdose occur:

Symptoms of overdose

      1. Confusion as to time, place, or person
      2. dark urine
      3. difficult or painful urination
      4. dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
      5. fever
      6. general feeling of discomfort or illness
      7. hallucinations
      8. headache
      9. holding false beliefs that cannot be changed by fact
      10. increased sweating
      11. irregular, fast or slow, or shallow breathing
      12. light-colored stools
      13. loss of appetite
      14. pale or blue lips, fingernails, or skin
      15. restlessness
      16. sudden decrease in the amount of urine
      17. sweating
      18. trouble sleeping
      19. unpleasant breath odor
      20. unusual excitement, nervousness, or restlessness
      21. vomiting of blood
      22. yellow eyes or skin

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

      1. Relaxed and calm
      2. sleepiness

Incidence not known

      1. Anxiety
      2. bloated
      3. constipation
      4. continuing ringing or buzzing or other unexplained noise in the ears
      5. depression
      6. earache
      7. excess air or gas in the stomach or intestines
      8. false or unusual sense of well-being
      9. full feeling
      10. hearing loss
      11. heartburn
      12. heavy eyelids
      13. high energy
      14. hot spells
      15. hyperventilation
      16. irritability
      17. numbness
      18. pain in the leg
      19. passing gas
      20. sluggishness
      21. stuffy nose
      22. tingling sensation

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.