Phentermine: What Are The Possible Side Effects Of Phentermine
Content provided by Cerner Multum, Inc.
What are the possible side effects of phentermine?
 | Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. |
| | Stop using phentermine and call your doctor at once if you have any of these serious side effects: |
- chest pain, swelling in your ankles or feet, feeling light-headed, fainting, or feeling short of breath, even with mild exertion;
- fast or uneven heartbeat;
- unusual thoughts or behavior, feeling restless or confused; or
- increased blood pressure (severe headache, blurred vision, trouble concentrating, chest pain, numbness, seizure).
Less serious side effects may be more likely to occur, such as:
- feeling nervous or anxious;
- headache, dizziness, tremors;
- trouble sleeping (insomnia);
- dry mouth or an unpleasant taste in your mouth;
- diarrhea or constipation; or
- itching.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
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| Last updated: | January 12, 2007 |
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© 2007, Cerner Multum, INC. Version: 5.02.
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