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- Blurred vision
- Chest pain or discomfort
- Confusion
- Diarrhea
- Difficult or labored breathing
- Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- Fast, slow, irregular, pounding, or racing heartbeat or pulse
- Lightheadedness, dizziness, or fainting
- Nausea and vomiting
- Shortness of breath
- Sweating
- Swelling of face, fingers, feet, or lower legs
- Tightness in chest
- Unusual tiredness or weakness
- Wheezing
- Abdominal pain or swelling
- Back pain
- Black, tarry stools
- Blood in eyes
- Blood in urine
- Body aches or pain
- Bruising or purple areas on skin
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Change in consciousness
- Cold hands and feet
- Cough or hoarseness
- Coughing up blood
- Decreased alertness
- Decreased urine output
- Difficulty in speaking
- Dilated neck veins
- Double vision
- Ear congestion
- Extreme fatigue
- Feeling of warmth or heat
- Fever or chills
- Flushing or redness of skin, especially on face and neck
- Headache
- Inability to move arms, legs, or facial muscles
- Inability to speak
- Irregular breathing
- Joint pain or swelling
- Loss of voice
- Lower back or side pain
- Nasal congestion
- Nervousness
- Noisy breathing
- Nosebleeds
- Painful, burning, or difficult urination
- Pounding in the ears
- Runny nose
- Slow speech
- Sneezing
- Sore throat
- Troubled breathing
- Weight gain
- Bleeding gums
- Fast breathing, sometimes with wheezing
- Large amount of fat in the blood
- Not able to move
- Pinpoint red spots on skin
- Sores, ulcers, or white spots on lips or in mouth
- Swollen glands
- Unusual bleeding or bruising
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose- Anxiety
- Cold sweats
- Coma
- Cool, pale skin
- Depression
- Increased hunger
- Nightmares
- No heartbeat
- Seizures
- Shakiness
- Slurred speech
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- Acid or sour stomach
- Belching
- Difficulty in sleeping
- Heartburn
- Indigestion
- Lack or loss of strength
- Pain in arms or legs
- Stomach discomfort or upset
- Abnormal ejaculation
- Bloated
- Decreased sexual performance or desire
- Disturbed color perception
- Double vision
- Excess air or gas in stomach or intestines
- Full feeling
- Halos around lights
- Loss of appetite
- Loss of vision
- Mood changes
- Night blindness
- Overbright appearance of lights
- Passing gas
- Skin rash
- Tunnel vision
- Weight changes
- Crying
- Depersonalization
- Difficulty in moving
- Dysphoria
- Euphoria
- Feeling of constant movement of self or surroundings
- Hair loss, thinning of hair
- Increased sensitivity of skin to sunlight
- Itching skin
- Lack of coordination
- Mental depression
- Muscle aching or cramping
- Muscle pains or stiffness
- Paranoia
- Quick to react or overreact emotionally
- Rapidly changing moods
- Redness or other discoloration of skin
- Sensation of spinning
- Severe sunburn
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.


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