Mayo Clinic Health Manager
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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:
Less common- Clumsiness or unsteadiness
- Confusion
- Mental depression
- Dizziness, lightheadedness, or fainting
- Falling
- Fast heartbeat
- Hallucinations (seeing, hearing, or feeling things that are not there)
- Skin rash
- Swelling of the face
- Trouble with sleeping
- Unusual excitement, nervousness, or irritability
- Wheezing or difficulty with breathing
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Clumsiness or unsteadiness (severe)
- Dizziness (severe)
- Double vision or other vision problems
- Drowsiness (severe)
- Nausea (severe)
- Slow heartbeat
- Troubled breathing
- Vomiting (severe)
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- Sleepiness or unusual drowsiness
- Abdominal or stomach pain
- Abnormal or decreased touch sensation
- Abnormal sensation of movement
- Appetite disorder
- Balance disorder
- Binge eating
- Bladder pain
- Bloody or cloudy urine
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Change in hearing
- Chest discomfort
- Chills
- Confusion about identity, place, and time
- Constipation
- Continuing ringing or buzzing or other unexplained noise in the ears
- Daytime drowsiness
- Diarrhea
- Difficult, burning, or painful urination
- Difficulty with moving
- Difficulty with swallowing
- Discouragement
- Double vision or other vision problems
- Drugged feelings
- Dryness of mouth
- Ear drainage
- Earache
- Eye redness
- False or unusual sense of well-being
- Fear
- Feeling of unreality
- Feeling sad or empty
- Fever
- Flatulence
- Frequent bowel movements
- Frequent urge to urinate
- General feeling of discomfort or illness
- Generalized slowing of mental and physical activity
- Headache
- Hearing loss
- Heartburn
- Hives or welts
- Itching ears
- Joint pain
- Lack of appetite
- Lack of feeling or emotion
- Lack or loss of self-control
- Lack or loss of strength
- Longer or heavier menstrual periods
- Loss of balance
- Loss of interest or pleasure
- Memory problems
- Mood swings
- Muscle aches, cramping, pain, or stiffness
- Nausea
- Nervousness
- Nightmares or unusual dreams
- Pain in the joints
- Redness of the skin
- Redness or soreness of the throat
- Sense of detachment from self or body
- Shortness of breath or troubled breathing
- Skin rash
- Skin wrinkling
- Sneezing
- Sore throat
- Stress symptoms
- Stuffy or runny nose
- Swollen joints
- Tiredness
- Trouble concentrating
- Trouble with sleeping
- Vision blurred
- Visual depth perception altered
- Vomiting
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.