Why is this medication prescribed?
Diethylpropion decreases appetite. It is used on a short-term basis (a few weeks), in combination with diet, to help you lose weight.
This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information.
How should this medicine be used?
Diethylpropion comes as a regular and extended-release (long-acting) tablet. Diethylpropion usually is taken three times a day, 1 hour before meals (regular tablets), or once a day in midmorning (extended-release tablets). Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take diethylpropion exactly as directed.
Do not crush, chew, or cut extended-release tablets; swallow them whole.
Diethylpropion may be habit-forming. Do not take a larger dose, take it more often, or for a longer period than your doctor tells you to. Call your doctor if diethylpropion loses its effect.
What special precautions should I follow?
Before taking diethylpropion,
tell your doctor and pharmacist if you are allergic to diethylpropion; amphetamines; other diet pills; medications for allergies, hay fever, and colds; or any other drugs.
tell your doctor and pharmacist what prescription and nonprescription medications you are taking, especially guanethidine, insulin, and MAO inhibitors [phenelzine (Nardil) or tranylcypromine (Parnate)] even if you stopped taking them in the last 2 weeks, herbal products, and vitamins. Tell your doctor if you have taken other diet pills in the past year.
tell your doctor if you have or have ever had heart or blood vessel disease, high blood pressure, an overactive thyroid gland, diabetes, glaucoma, pulmonary hypertension, seizures, or a history of drug abuse.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. If you become pregnant while taking diethylpropion, call your doctor.
if you are having surgery, including dental surgery, tell the doctor or dentist that you are taking diethylpropion.
you should know that this drug may make you drowsy. Do not drive a car or operate machinery until you know how this drug affects you.
remember that alcohol can add to the drowsiness caused by this drug.
What special dietary instructions should I follow?
Follow your doctor's directions. Eat a low-calorie, well-balanced diet.
What should I do if I forget a dose?
Take the missed dose as soon as you remember it. However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
What side effects can this medication cause?
Diethylpropion may cause side effects. Tell your doctor if any of these symptoms are severe or do not go away:
dry mouth
unpleasant taste
restlessness
anxiety
dizziness
depression
tremors
upset stomach
vomiting
increased urination
If you experience any of the following symptoms, call your doctor immediately:
If you experience a serious side effect, you or your doctor may send a report to the Food and Drug Administration's (FDA) MedWatch Adverse Event Reporting program online [at http://www.fda.gov/Safety/MedWatch] or by phone [1-800-332-1088].
What storage conditions are needed for this medicine?
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture (not in the bathroom). Throw away any medication that is outdated or no longer needed. Talk to your pharmacist about the proper disposal of your medication.
In case of emergency/overdose
In case of overdose, call your local poison control center at 1-800-222-1222. If the victim has collapsed or is not breathing, call local emergency services at 911.
