Phentermine
Phentermine is used for:
Reducing weight in obese patients when used short-term and combined with exercise, diet, and behavioral modification.
Phentermine is an appetite suppressant. It works by helping to release certain chemicals in the brain that control appetite.
Before using Phentermine:
Some medical conditions may interact with Phentermine . Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
* if you are pregnant, planning to become pregnant, or are breast-feeding
* if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
* if you have allergies to medicines, foods, or other substances
* if you have a brain or spinal cord disorder, hardening of the arteries, high blood pressure, diabetes, or high cholesterol or lipid levels
Some MEDICINES MAY INTERACT with Phentermine . Tell your health care provider if you are taking any other medicines, especially any of the following:
* Dexfenfluramine, fenfluramine, furazolidone, or MAOIs (eg, phenelzine) because the risk of serious side effects, such as increasing headache, high blood pressure, slow heart rate, elevated temperature, or possibly fatal lung problems, may be increased
* Serotonin specific reuptake inhibitors (eg, fluoxetine) because the risk of their side effects may be increased by Phentermine
* Guanadrel or guanethidine because their effectiveness may be decreased by Phentermine
Ask your health care provider if Phentermine may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Phentermine:
Use Phentermine as directed by your doctor. Check the label on the medicine for exact dosing instructions.
* Take Phentermine about 30 minutes before a meal.
* Take your last dose of Phentermine at least 4 to 6 hours before bedtime.
* If you are taking Phentermine 1 time a day, take your dose in the morning.
* If you miss a dose of Phentermine , take it as soon as possible. If it is after 12 pm and you are taking Phentermine 1 time a day, or after 4 pm and you are taking it more than 1 time a day, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once.
Ask your health care provider any questions you may have about how to use Phentermine .
Side effects of Phentermine:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Bad taste in mouth; changes in sex drive; constipation; diarrhea; difficulty sleeping; dizziness; dry mouth; exaggerated sense of well being; headache; impotence; nervousness; overstimulation; restlessness; sleeplessness; upset stomach.
Seek medical attention right away if any of these SEVERE side effects occur:
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bizarre behavior; chest pain; fainting; fast heartbeat; pounding in the chest; shortness of breath; swelling of the legs and feet; tremor.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects at http://www.fda.gov/medwatch.
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