Diethylpropion

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Generic Name: Diethylpropion Brand Name(s): Generics only. No brands available.

Uses

What is Diethylpropion used for?

Diethylpropion is commonly used along with a doctor-approved, reduced-calorie diet, exercise, and behavior change program to help you lose weight. It is used in people who are significantly overweight (obese) and have not been able to lose enough weight with diet and exercise alone. Losing weight and keeping it off can reduce the many health risks that come with obesity, including heart disease, diabetes, high blood pressure, and a shorter life.

It is not known how this medication helps people to lose weight. It may work by decreasing your appetite, increasing the amount of energy used by your body, or by affecting certain parts of the brain. This medication is an appetite suppressant and belongs to a class of drugs called sympathomimetic amines.

How should I take Diethylpropion?

Take the immediate-release form of this medication by mouth, usually 3 times a day 1 hour before meals or as directed by your doctor. If late-night eating is a problem, your doctor may direct you to take another dose in the evening. Taking this medication late in the day may cause trouble sleeping (insomnia).

The extended-release form of diethylpropion is usually taken once a day in the mid-morning. Do not crush or chew extended-release tablets. Doing so can release all of the drug at once, increasing the risk of side effects. Also, do not split the tablets unless they have a score line and your doctor or pharmacist tells you to do so. Swallow the whole or split tablet without crushing or chewing.

The dosage is based on your medical condition and response to therapy. Your doctor will adjust the dose to find the best dose for you. Use this medication regularly and exactly as prescribed in order to get the most benefit from it. To help you remember, take it at the same time(s) each day.

Diethylpropion is usually taken for only a few weeks at a time. It should not be taken with other appetite suppressants (see also Drug Interaction section). The possibility of serious side effects increases with longer use of this medication and use of this drug along with certain other diet drugs.

This medication may cause withdrawal reactions, especially if it has been used regularly for a long time or in high doses. In such cases, withdrawal symptoms (such as depression, severe tiredness) may occur if you suddenly stop using this medication. To prevent withdrawal reactions, your doctor may reduce your dose gradually. Consult your doctor or pharmacist for more details, and report any withdrawal reactions right away.

Though it helps many people, this medication may sometimes cause addiction. This risk may be higher if you have a substance use disorder (such as overuse of or addiction to drugs/alcohol). Do not increase your dose, take it more often, or use it for a longer time than prescribed. Properly stop the medication when so directed.

You should see some weight loss soon after you start this medication. Tell your doctor if you do not see at least 4 pounds of weight loss within 4 weeks of starting this medication. This medication may stop working well after you have been taking it for a while. Talk with your doctor if this medication stops working well. Do not increase the dose unless directed by your doctor. Your doctor may direct you to stop taking this medication.

How do I store Diethylpropion?

Diethylpropion is best stored at room temperature away from direct light and moisture. To prevent drug damage, you should not store Diethylpropion in the bathroom or the freezer. There may be different brands of Diethylpropion that may have different storage needs. It is important to always check the product package for instructions on storage, or ask your pharmacist. For safety, you should keep all medicines away from children and pets.

You should not flush Diethylpropion down the toilet or pour them into a drain unless instructed to do so. It is important to properly discard this product when it is expired or no longer needed. Consult your pharmacist for more details about how to safely discard your product.

Precautions & warnings

What should I know before using Diethylpropion?

Before taking diethylpropion, tell your doctor or pharmacist if you are allergic to it; or to any other sympathomimetic amines (e.g., decongestants such as pseudoephedrine, stimulants such as amphetamine, appetite suppressants such as phentermine); or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.

This medication should not be used if you have certain medical conditions. Before using diethylpropion, consult your doctor or pharmacist if you have: uncontrolled high blood pressure, glaucoma, personal or family history of a substance use disorder (such as overuse of or addiction to drugs/alcohol), vascular heart disease (e.g., chest pain, heart attack), mental/mood problems (e.g., severe anxiety, bipolar disorder, psychosis, schizophrenia), high blood pressure in the lungs (pulmonary hypertension), stroke, overactive thyroid (hyperthyroidism).

Before using this medication, tell your doctor or pharmacist your medical history, especially of: diabetes, controlled high blood pressure, other heart problems (e.g., heart murmur, fast/irregular heartbeat, heart valve problems), kidney disease, seizure problem.

This drug may make you dizzy or blur your vision. It may also rarely make you drowsy. Alcohol or marijuana can make you more dizzy or drowsy. Do not drive, use machinery, or do anything that needs alertness or clear vision until you can do it safely. Avoid alcoholic beverages. Talk to your doctor if you are using marijuana.

If you have diabetes, check your blood sugar regularly as directed and share the results with your doctor. Your doctor may need to adjust your diabetes medication during treatment with this drug.

Before having surgery, tell your doctor or dentist that you are using this medication.

Kidney function declines as you grow older. This medication is removed by the kidneys. Therefore, elderly people may be at greater risk for dizziness and high blood pressure while using this drug.

During pregnancy, this medication should be used only when clearly needed. It is not recommended for use for long periods or in high doses near the expected delivery date because of possible harm to the unborn baby. Discuss the risks and benefits with your doctor. Infants born to mothers who have been using this medication for a long time or in high doses may have withdrawal symptoms such as irritability or extreme tiredness. Tell your doctor right away if you notice any of these symptoms in your newborn.

This drug may pass into breast milk and could have undesirable effects on a nursing infant. Therefore, breast-feeding is not recommended while using this drug. Consult your doctor before breast-feeding.

Is it safe during pregnancy or breast-feeding?

There are no adequate studies in women for determining risk when using this Diethylpropion during pregnancy or while breastfeeding. Please always consult with your doctor to weigh the potential benefits and risks before taking this Diethylpropion. This Diethylpropion is pregnancy risk category B according to the US Food and Drug Administration (FDA).

FDA pregnancy risk category reference below:

  • A=No risk,
  • B=No risk in some studies,
  • C=There may be some risk,
  • D=Positive evidence of risk,
  • X=Contraindicated,
  • N=Unknown

Side effects

What side effects can occur from Diethylpropion?

Dizziness, dry mouth, difficulty sleeping, irritability, nausea, vomiting, diarrhea, or constipation may occur. If these effects persist or worsen, notify your doctor or pharmacist promptly.

Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.

This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results are high.

Tell your doctor right away if any of these unlikely but serious side effects occur: fast/irregular/pounding heartbeat, mental/mood changes (e.g., agitation, uncontrolled anger, hallucinations, nervousness), uncontrolled muscle movements, change in sexual ability/interest.

Stop taking this medication and seek immediate medical attention if any of these rare but very serious side effects occur: severe headache, slurred speech, seizure, weakness on one side of the body, vision changes (e.g., blurred vision).

This drug may rarely cause serious (sometimes fatal) lung or heart problems (pulmonary hypertension, heart valve problems). The risk increases with longer use of this medication and use of this drug along with other appetite-suppressant drugs/herbal products. If you notice any of the following unlikely but very serious side effects, stop taking this medication and consult your doctor or pharmacist right away: chest pain, difficulty breathing with exercise, decreased ability to exercise, fainting, swelling of the legs/ankles/feet.

A very serious allergic reaction to this drug is rare. However, seek immediate medical attention if you notice any of the following symptoms of a serious allergic reaction: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.

Not everyone experiences these side effects. There may be some side effects not listed above. If you have any concerns about a side-effect, please consult your doctor or pharmacist.

Interactions

What drugs may interact with Diethylpropion?

This drug should not be used with certain medications because very serious interactions may occur. If you are taking or have taken other appetite-suppressant drugs in the past year (e.g., phentermine, ephedra/ma huang), tell your doctor or pharmacist before starting this medication.

Taking MAO inhibitors with this medication may cause a serious (possibly fatal) drug interaction. Avoid taking MAO inhibitors (isocarboxazid, linezolid, methylene blue, moclobemide, phenelzine, procarbazine, rasagiline, safinamide, selegiline, tranylcypromine) during treatment with this medication. Most MAO inhibitors should also not be taken for two weeks before treatment with this medication. Ask your doctor when to start or stop taking this medication.

If you are currently using any of these medications, tell your doctor or pharmacist before starting this medication.

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription/herbal products you may use, especially: high blood pressure medicine (e.g., guanethidine, methyldopa), phenothiazines (e.g., prochlorperazine, chlorpromazine), other stimulants (e.g., amphetamines, methylphenidate, street drugs such as cocaine or MDMA/”ecstasy”).

Tell your doctor or pharmacist if you are taking other products that cause drowsiness such as opioid pain or cough relievers (such as codeine, hydrocodone), alcohol, marijuana, drugs for sleep or anxiety (such as alprazolam, lorazepam, zolpidem), muscle relaxants (such as carisoprodol, cyclobenzaprine), or antihistamines (such as cetirizine, diphenhydramine).

Check the labels on all your medicines (such as allergy or cough-and-cold products) because they may contain ingredients that cause drowsiness. Ask your pharmacist about using those products safely.

Some products have ingredients that could raise your heart rate or blood pressure. Tell your pharmacist what products you are using, and ask how to use them safely (especially cough-and-cold products or diet aids).

Caffeine can increase the side effects of this medication. Avoid drinking large amounts of beverages containing caffeine (coffee, tea, colas) or eating large amounts of chocolate.

Diethylpropion may interact with other drugs that you are currently taking, which can change how your drug works or increase your risk for serious side effects. To avoid any potential drug interactions, you should keep a list of all the drugs you are using (including prescription drugs, nonprescription drugs and herbal products) and share it with your doctor and pharmacist. For your safety, do not start, stop, or change the dosage of any drugs without your doctor’s approval.

Does food or alcohol interact with Diethylpropion?

Diethylpropion may interact with food or alcohol by altering the way the drug works or increase the risk for serious side effects. Please discuss with your doctor or pharmacist any potential food or alcohol interactions before using this drug.

What health conditions may interact with Diethylpropion?

Diethylpropion may interact with your health condition. This interaction may worsen your health condition or alter the way the drug works. It is important to always let your doctor and pharmacist know all the health conditions you currently have.

Dosage

The information provided is not a substitute for any medical advice. You should ALWAYS consult with your doctor or pharmacist before using this Diethylpropion.

What is the dose of Diethylpropion for an adult?

Usual Adult Dose for Obesity

IMMEDIATE-RELEASE: 25 mg orally 3 times a day, 1 hour before meals, and in mid-evening if desired to overcome night hunger.

CONTROLLED-RELEASE: 75 mg orally once a day in mid-morning, swallowed whole.

Comments:

-Indicated for monotherapy use only.

-Treatment should be continued only if the patient has satisfactory weight loss within the first 4 weeks of treatment (e.g., weight loss of at least 4 pounds or as determined by the physician and patient).

-Discontinue treatment if tolerance develops; do not exceed the recommended dose in an attempt to increase the effect.

Use: Management of exogenous obesity as a short-term adjunct (a few weeks) on a regimen of weight reduction based on caloric restriction in patients with an initial BMI of 30 kg/m2 or higher and who have not responded to appropriate weight reducing regimen (diet and/or exercise) alone.

What is the dose of Diethylpropion for a child?

Usual Pediatric Dose for Obesity

Over 16 years of age:

IMMEDIATE-RELEASE: 25 mg orally 3 times a day, 1 hour before meals, and in mid-evening if desired to overcome night hunger.

CONTROLLED-RELEASE: 75 mg orally once a day in mid-morning, swallowed whole.

Comments:

-Indicated for monotherapy use only.

-Treatment should be continued only if the patient has satisfactory weight loss within the first 4 weeks of treatment (e.g., weight loss of at least 4 pounds or as determined by the physician and patient).

-Discontinue treatment if tolerance develops; do not exceed the recommended dose in an attempt to increase the effect.

Use: Management of exogenous obesity as a short-term adjunct (a few weeks) on a regimen of weight reduction based on caloric restriction in patients with an initial BMI of 30 kg/m2 or higher and who have not responded to appropriate weight reducing regimen (diet and/or exercise) alone.

Precautions

Safety and efficacy have not been established in patients younger than 16 years.

Other Comments

General:

-The possibility of abuse should be kept in mind when evaluating the desirability of including this drug as part of a weight reduction program. Manifestations of chronic intoxication with anorectic drugs include severe dermatoses, marked insomnia, irritability, hyperactivity, personality changes, and psychosis.

-Management of acute overdosage is largely symptomatic and includes lavage and sedation with a barbiturate. IV phentolamine may be considered if severe hypertension occurs. Experience with hemodialysis and peritoneal dialysis is inadequate in this regard.

-Prolonged use may induce dependence with withdrawal syndrome once treatment is discontinued.

Monitoring:

-Cardiovascular: Cardiac evaluation (baseline/prior to treatment initiation). echocardiogram (during and after treatment), blood pressure

-Metabolic: Weight, waist circumference

-Renal: Renal function (in elderly patients and patients with renal impairment)

Patient advice:

-This drug may cause symptoms including dizziness, drowsiness, and vision problems; avoid driving and other activities such as operating machinery until you know how this drug affects you.

-Avoid drinking alcohol while taking this drug.

How is Diethylpropion available?

Diethylpropion is available in the following dosage forms and strengths:

  • Tablet

What should I do in case of an emergency or overdose?

In case of an emergency or an overdose, call your local emergency services or go to your nearest emergency room.

What should I do if I miss a dose?

If you miss a dose of Diethylpropion, take it as soon as possible. However, if it is almost time for your next dose, skip the missed dose and take your regular dose as scheduled. Do not take a double dose.

Hello Health Group does not provide medical advice, diagnosis or treatment.

Review Date: January 22, 2018 | Last Modified: January 22, 2018

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