The originating document has been archived. We cannot confirm the completeness, accuracy and currency of the content.
Generic Name: phentermine (FEN-ter-meen)
Brand Name: Adipex-P
Pro-Fast SA is used for:
Reducing weight in obese patients when used short-term and combined with exercise, diet, and behavioral modification.
Pro-Fast SA is an appetite suppressant. It works by helping to release certain chemicals in the brain that control appetite.
Do NOT use Pro-Fast SA if:
- you are allergic to any ingredient in Pro-Fast SA or other sympathomimetics (eg, pseudoephedrine)
- you are taking dexfenfluramine, fenfluramine, furazolidone, guanadrel, guanethidine, or have taken a monoamine oxidase inhibitor (MAOI) (eg, phenelzine) in the last 14 days
- you have moderate to severe high blood pressure, an overactive thyroid, glaucoma, heart or blood vessel disease, or severe narrowing of the blood vessels
- you are in an agitated state, or have a history of substance abuse
Contact your doctor or health care provider right away if any of these apply to you.
Before using Pro-Fast SA:
Some medical conditions may interact with Pro-Fast SA. 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 Pro-Fast SA. 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 Pro-Fast SA
- Guanadrel or guanethidine because their effectiveness may be decreased by Pro-Fast SA
Ask your health care provider if Pro-Fast SA 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 Pro-Fast SA:
Use Pro-Fast SA as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- Take Pro-Fast SA about 30 minutes before a meal.
- Take your last dose of Pro-Fast SA at least 4 to 6 hours before bedtime.
- If you are taking Pro-Fast SA 1 time a day, take your dose in the morning.
- If you miss a dose of Pro-Fast SA, take it as soon as possible. If it is after 12 pm and you are taking Pro-Fast SA 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 Pro-Fast SA.
Important safety information:
- Pro-Fast SA may cause dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Pro-Fast SA with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Do NOT take more than the recommended dose or use for longer than prescribed without checking with your doctor. Doing so may increase the risk of serious side effects.
- Tell your doctor or dentist that you take Pro-Fast SA before you receive any medical or dental care, emergency care, or surgery.
- Before you have any medical or dental treatments, emergency care, or surgery, tell your doctor or dentist that you are using Pro-Fast SA.
- Avoid drinking alcohol with Pro-Fast SA.
- Diabetes patients-Pro-Fast SA may affect your blood sugar. Check blood sugar levels closely. Ask your doctor before you change the dose of your diabetes medicine.
- Pro-Fast SA is not recommended for use in CHILDREN younger than 12 years old; safety and effectiveness in this age group have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Pro-Fast SA while you are pregnant. It is not known if this medicine is found in breast milk. Do not breast-feed while taking Pro-Fast SA.
After you have taken Pro-Fast SA for a few weeks, it will usually not work as well as when you began taking it. This is known at TOLERANCE. Talk with your doctor if Pro-Fast SA stops working well. Do not take more medicine than prescribed.
Some people who use Pro-Fast SA for a long time may develop a need to continue taking it. People who take high doses are also at risk. This is known as DEPENDENCE or addiction. If you stop taking Pro-Fast SA suddenly, you may have WITHDRAWAL symptoms. These may include extreme tiredness, mental depression, trouble sleeping, irritability, or mental, mood, or personality changes.
Possible side effects of Pro-Fast SA:
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:
Seek medical attention right away if any of these SEVERE side effects occur:
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.
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. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include confusion; diarrhea; nausea; rapid breathing; restlessness; stomach cramps; tremor; vomiting.Proper storage of Pro-Fast SA:
Store Pro-Fast SA at room temperature, between 59 and 77 degrees F (15 and 25 degrees C), in a tightly closed container. Store away from heat, moisture, and light. Do not store in the bathroom. Keep Pro-Fast SA out of the reach of children and away from pets.
- If you have any questions about Pro-Fast SA, please talk with your doctor, pharmacist, or other health care provider.
- Pro-Fast SA is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Pro-Fast SA or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Pro-Fast SA. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Pro-Fast SA. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Pro-Fast SA.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.