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Drugs reference index «Benzphetamine»

Benzphetamine

Generic Name: Benzphetamine (benz-FET-ah-meen)Brand Name: Didrex

Benzphetamine is used for:

Short-term management of obesity, as part of a weight-loss plan including a reduced-calorie diet. It may also be used for other conditions as determined by your doctor.

Benzphetamine is an anorectic. It is not known exactly how Benzphetamine works. It may work in part by acting on the appetite center in the brain to cause a temporary reduction in hunger or craving for food.

Do NOT use Benzphetamine if:

  • you are allergic to any ingredient in Benzphetamine
  • you have had a bad reaction to a sympathomimetic amine (eg, pseudoephedrine)
  • you are in an agitated state
  • you are pregnant or may become pregnant
  • you have glaucoma, an overactive thyroid, moderate to severe or uncontrolled high blood pressure, severe narrowing of the arteries, heart problems, or a history of alcohol or other substance abuse
  • you are taking furazolidone, guanadrel, or guanethidine, or you have taken a monoamine oxidase (MAO) inhibitor (eg, phenelzine) in the past 14 days
  • you are taking another stimulant (eg, amphetamine)

Contact your doctor or health care provider right away if any of these apply to you.

Before using Benzphetamine :

Some medical conditions may interact with Benzphetamine . 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 high blood pressure

Some MEDICINES MAY INTERACT with Benzphetamine . Tell your health care provider if you are taking any other medicines, especially any of the following:

  • Furazolidone or MAO inhibitors (eg, phenelzine) because side effects, such as headache, elevated body temperature, or severe high blood pressure, may occur
  • Selective serotonin reuptake inhibitors (SSRIs) (eg, fluoxetine) because the risk of side effects, such as mental or mood changes, may be increased
  • Urinary acidifiers (eg, ascorbic acid) because effectiveness of Benzphetamine may be decreased
  • Stimulants (eg, amphetamine) or urinary alkalinizers (eg, sodium bicarbonate) because the actions and side effects of Benzphetamine may be increased
  • Tricyclic antidepressants (eg, amitriptyline) because actions and side effects may be increased by Benzphetamine
  • Guanadrel, guanethidine, or other high blood pressure medicines because effectiveness may be decreased by Benzphetamine

This may not be a complete list of all interactions that may occur. Ask your health care provider if Benzphetamine 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 Benzphetamine :

Use Benzphetamine as directed by your doctor. Check the label on the medicine for exact dosing instructions.

  • Benzphetamine may be taken with or without food.
  • If you miss a dose of Benzphetamine , take it as soon as possible. If it is almost time for your next dose, 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 Benzphetamine .

Important safety information:

  • Benzphetamine may cause drowsiness or dizziness. Do not drive, operate machinery, or do anything else that could be dangerous until you know how you react to Benzphetamine . Using Benzphetamine alone, with certain other medicines, or with alcohol may lessen your ability to drive or perform other potentially dangerous tasks.
  • Do not exceed the recommended dose or take Benzphetamine for longer than prescribed without checking with your doctor. Exceeding the recommended dose or taking Benzphetamine for longer than prescribed may cause serious side effects.
  • Do not stop taking Benzphetamine suddenly without first talking with your doctor.
  • Do not use Benzphetamine for any reason or condition other than the one for which it was prescribed.
  • Benzphetamine may cause sleeplessness. If you have trouble sleeping, you may need to take Benzphetamine earlier in the day. Talk to your doctor before adjusting your dose of Benzphetamine .
  • Diabetes patients - Benzphetamine may affect your blood sugar. Check blood sugar levels closely and ask your doctor before adjusting the dose of your diabetes medicine.
  • Use of Benzphetamine is not recommended in CHILDREN younger than 12 years of age. Safety and effectiveness in this age group have not been confirmed.
  • PREGNANCY and BREAST-FEEDING: Do not use Benzphetamine if you are pregnant. If you suspect that you could be pregnant, contact your doctor immediately. Benzphetamine is excreted in breast milk. Do not breast-feed while taking Benzphetamine .

When used for long periods of time or at high doses, some people develop a need to continue taking Benzphetamine . This is known as DEPENDENCE or addiction. When used for long periods of time or at high doses, Benzphetamine may not work as well and may require higher doses to obtain the same effect as when originally taken. This is known as TOLERANCE. Talk with your doctor if Benzphetamine stops working well. Do not take more than prescribed.

If you suddenly stop taking Benzphetamine , you may experience WITHDRAWAL symptoms, such as extreme fatigue, mental depression, or sleep changes.

Possible side effects of Benzphetamine :

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:

Changes in sex drive; diarrhea; dizziness; dry mouth; headache; nausea; restlessness; sleeplessness; tremor; unpleasant taste.

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); fast or irregular heartbeat; mental or mood changes; pounding in the chest; severe dizziness; severe excitability.

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.

If OVERDOSE is suspected:

Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center (http://www.aapcc.org), or emergency room immediately. Symptoms may include confusion; depression; high fever; irregular heartbeat; loss of consciousness; panic; rapid breathing; restlessness; seizures; severe nausea or diarrhea; severe tiredness; stomach cramps; tremor; vomiting.

Proper storage of Benzphetamine :

Store Benzphetamine at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, light, and moisture. Do not store in the bathroom. Keep Benzphetamine out of the reach of children and away from pets.

General information:

  • If you have any questions about Benzphetamine , please talk with your doctor, pharmacist, or other health care provider.
  • Benzphetamine 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.

This information is a summary only. It does not contain all information about Benzphetamine . If you have questions about the medicine you are taking or would like more information, check with your doctor, pharmacist, or other health care provider.

  • Benzphetamine Prescribing Information (FDA)
  • benzphetamine Advanced Consumer (Micromedex) - Includes Dosage Information
  • Didrex Prescribing Information (FDA)
  • Didrex Consumer Overview

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