The following side effects may get better over time as your body gets used to the medication. Let your healthcare provider know immediately if you continue to experience these symptoms or if they worsen over time.
Common Side Effects
- Fast heartbeat
- High blood pressure
- Restlessness
- Trouble sleeping
- Nervousness
- Shakiness
- Sweating
Less Common Side Effects
- Dizziness
- Headache
- Blurry vision
- Nausea
- Diarrhea
- Constipation
- Stomach pain
- Dry mouth
- Frequent or painful urination
- Changes in your sex drive
Phendimetrazine serious side effects
Contact your healthcare provider immediately if you experience any of the following.
- Heart valve problems: dizziness, chest pain, leg or ankle swelling, irregular heartbeat, fatigue, trouble breathing
- High blood pressure in the lungs: trouble breathing, chest pain, fainting, swelling in the legs
Source: DailyMed
The following Phendimetrazine side effects have also been reported
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:
Rare
Seeing, hearing, or feeling things that are not there
severe mental changes
Incidence not known
burning while urinating
chest pain or discomfort
decreased ability to exercise
difficult or painful urination
dizziness
fainting
fast, irregular, pounding, or racing heartbeat or pulse
feeling of warmth
headache
hyperventilation
increased need to urinate
irritability
numbness or tingling in the arms or legs
pain or discomfort in the arms, jaw, back, or neck
passing urine more often
redness of the face, neck, arms, and occasionally, upper chest
restlessness
shakiness in the legs, arms, hands, or feet
shortness of breath
sweating
swelling of the feet or lower legs
trembling or shaking of the hands or feet
trouble with breathing
trouble with sleeping
trouble with thinking, speaking, or walking
vomiting
weakness
Get emergency help immediately if any of the following symptoms of overdose occur:
Symptoms of overdose
Abdominal or stomach cramps
blurred vision
change in consciousness
convulsions
discouragement
dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
fast, slow, or irregular heartbeat
feeling sad or empty
lack of appetite
lightheadedness
loss of consciousness
loss of interest or pleasure
overactive reflexes
panic
physical attempt to injure
pounding in the ears
rapid breathing
sweating
tiredness
trouble with concentrating
unusual tiredness or weakness
violent actions
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
Decreased interest in sexual intercourse
difficulty having a bowel movement (stool)
inability to have or keep an erection
increased in sexual ability, desire, drive, or performance
increased interest in sexual intercourse
loss in sexual ability, desire, drive, or performance
stomach pain
unable to sleep
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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