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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.
Stop taking this medicine and get emergency help immediately if any of the following effects occur:
Rare- Convulsions (seizures)
- Difficult or unusually fast breathing
- Fast heartbeat or irregular pulse
- High fever
- High or low (irregular) blood pressure
- Increased sweating
- Loss of bladder control
- Severe muscle stiffness
- Unusually pale skin
- Unusual tiredness or weakness
Check with your doctor or nurse immediately if any of the following side effects occur:
Incidence not known- Abdominal or stomach pain
- Black, tarry stools
- Blood in urine
- Bloody nose
- Blurred vision
- Chest pain or discomfort
- Chills
- Clay-colored stools
- Cough or hoarseness
- Dark urine
- Decreased awareness or responsiveness
- Difficulty breathing
- Difficulty in speaking
- Dizziness
- Double vision
- Drooling
- Fast, pounding, or irregular heartbeat or pulse
- Fever with or without chills
- Fixed position of eye
- Headache
- Heavier menstrual periods
- Increases and decreases in blood pressure
- Itching
- Large, hive-like swelling on face, eyelids, lips, tongue, throat, hands, legs, feet, or sex organs
- Lightheadedness, dizziness, or fainting
- Loss of appetite
- Loss of balance control
- Lower back or side pain
- Mimicry of speech or movements
- Muscle trembling, jerking, or stiffness
- Mutism
- Nausea
- Negativism
- Noisy breathing
- Painful or difficult urination
- Peculiar postures or movements, mannerisms, or grimacing
- Pinpoint red spots on skin
- Restlessness
- Seeing double
- Seeing, hearing, or feeling things that are not there
- Seizures
- Severe sleepiness
- Shortness of breath
- Shuffling walk
- Skin rash
- Slow or irregular heartbeat
- Sore throat
- Sores, ulcers, or white spots on lips or in mouth
- Stiffness of limbs
- Swollen glands
- Tenderness, pain, swelling, warmth, skin discoloration, and prominent superficial veins over affected area
- Tightness in chest
- Tremors
- Twisting movements of body
- Uncontrolled movements, especially of face, neck, and back
- Unpleasant breath odor
- Unusual bleeding or bruising
- Unusual tiredness or weakness
- Vomiting of blood
- Wheezing
- Yellow eyes or skin
- Abnormal movements
- Confusion as to time, place, or person
- Dizziness, faintness, or lightheadedness when getting up from a lying or sitting position suddenly
- Feeling of warmth
- Holding false beliefs that cannot be changed by fact
- Hyperexcitability
- Irregular, fast or slow, or shallow breathing
- Nightmares
- Pale or blue lips, fingernails, or skin
- Pupils of eyes large and not moving or responding to light
- Redness of the face, neck, arms and occasionally, upper chest
- Sweating
- Troubled breathing
- Unusual excitement, nervousness, or restlessness
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:
Incidence not known- Blistering, crusting, irritation, or reddening of skin
- Continuing ringing or buzzing or other unexplained noise in ears
- Discoloration of skin
- Drowsiness
- Dry mouth
- Excitation
- False or unusual sense of well-being
- Hearing loss
- Hives or welts
- Increased sensitivity of skin to sunlight
- Lack of coordination
- Loss of strength or energy
- Muscle pain or weakness
- Nasal stuffiness
- Nervousness
- Severe sunburn
- Sleeplessness
- Trouble sleeping
- Unable to sleep
- 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.
