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 or nurse immediately if any of the following side effects occur:
More common- Blurred vision
- Chest pain or discomfort
- Confusion
- Difficult or labored breathing
- Dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
- Fast, irregular, pounding, or racing heartbeat or pulse
- Increased sweating
- Shortness of breath
- Slow or irregular heartbeat
- Sweating
- Swelling
- Tightness in the chest
- Unusual tiredness or weakness
- Wheezing
- Arm, back, or jaw pain
- Body aches or pain
- Chest tightness or heaviness
- Chills
- Cold hands and feet
- Cough
- Decreased urine output
- Diarrhea
- Difficulty with breathing
- Difficulty with speaking
- Dilated neck veins
- Dizziness
- Double vision
- Ear congestion
- Extreme fatigue
- Fainting
- Fever
- General feeling of discomfort or illness
- Headache
- Inability to move the arms, legs, or facial muscles
- Inability to speak
- Irregular breathing
- Joint pain
- Loss of appetite
- Loss of voice
- Muscle aches and pains
- Nasal congestion
- Nausea
- Nervousness
- Noisy breathing
- Pounding in the ears
- Runny nose
- Shivering
- Slow speech
- Sneezing
- Sore throat
- Swelling of the face, fingers, feet, or lower legs
- Trouble sleeping
- Troubled breathing
- Vomiting
- Weight gain
- Black, tarry stools
- Bleeding gums
- Blood in the urine or stools
- Blue lips and fingernails
- Coughing that sometimes produces a pink frothy sputum
- Difficult, fast, or noisy breathing, sometimes with wheezing
- Increased sweating
- Painful or difficult urination
- Pale skin
- Pinpoint red spots on the skin
- Sores, ulcers, or white spots on the lips or in the mouth
- Swelling in the legs and ankles
- Swollen glands
- Unusual bleeding or bruising
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
- Heartburn
- Indigestion
- Lack or loss of strength
- Sleeplessness
- Stomach discomfort, upset, or pain
- Unable to sleep
- Abdominal or stomach distension
- Abnormal ejaculation
- Back pain
- Bloated feeling
- Blurred or loss of vision
- Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
- Decreased appetite
- Decreased sexual performance or desire
- Depression
- Disturbed color perception
- Double vision
- Excess air or gas in the stomach or intestines
- Full feeling
- Halos around lights
- Mood changes
- Muscle or bone pain
- Night blindness
- Overbright appearance of lights
- Passing gas
- Rash
- Tunnel vision
- Crying
- Depersonalization
- Difficulty with moving
- Dysphoria
- Euphoria
- Feeling of constant movement of self or surroundings
- Hair loss
- Increased sensitivity of the skin to sunlight
- Itching skin
- Lack of coordination
- Mental depression
- Muscle aching or cramping
- Muscle pains or stiffness
- Pain, itching, burning, swelling, or a lump under your skin where the needle is placed
- Paranoia
- Quick to react or overreact emotionally
- Rapidly changing moods
- Redness or other discoloration of the skin
- Sensation of spinning
- Severe sunburn
- Swollen joints
- Thinning of the hair
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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