Generic Name: Benzphetamine (benz FET a meen)
Brand Name: Regimex
Medically reviewed by Drugs.com. Last updated on Jun 21, 2020.
Uses of Benzphetamine:
- It is used to treat obesity.
What do I need to tell my doctor BEFORE I take Benzphetamine?
For all patients taking benzphetamine:
- If you have an allergy to benzphetamine or any other part of benzphetamine.
- If you are allergic to benzphetamine; any part of benzphetamine; or any other drugs, foods, or substances. Tell your doctor about the allergy and what signs you had.
- If you have any of these health problems: Blood vessel disease, glaucoma, high blood pressure, nervous, anxious, or tense state, overactive thyroid disease, or structure problems of the heart or other heart problems.
- If you have ever abused drugs.
- If you have taken certain drugs for depression or Parkinson's disease in the last 14 days. This includes isocarboxazid, phenelzine, tranylcypromine, selegiline, or rasagiline. Very high blood pressure may happen.
- If you are taking any of these drugs: Linezolid or methylene blue.
- If you are taking another drug for weight loss or have taken one within the last year.
- If you are pregnant or may be pregnant. Do not take benzphetamine if you are pregnant.
- If you are breast-feeding. Do not breast-feed while you take benzphetamine.
- If your child is younger than 12 years of age. Do not give benzphetamine to a child younger than 12 years of age.
This is not a list of all drugs or health problems that interact with benzphetamine.
Tell your doctor and pharmacist about all of your drugs (prescription or OTC, natural products, vitamins) and health problems. You must check to make sure that it is safe for you to take benzphetamine with all of your drugs and health problems. Do not start, stop, or change the dose of any drug without checking with your doctor.
What are some things I need to know or do while I take Benzphetamine?
- Tell all of your health care providers that you take benzphetamine. This includes your doctors, nurses, pharmacists, and dentists.
- Avoid driving and doing other tasks or actions that call for you to be alert until you see how benzphetamine affects you.
- If you have been taking benzphetamine for a long time or at high doses, it may not work as well and you may need higher doses to get the same effect. This is known as tolerance. Call your doctor if benzphetamine stops working well. Do not take more than ordered.
- If you have been taking benzphetamine for many weeks, talk with your doctor before stopping. You may want to slowly stop benzphetamine.
- People who take drugs for weight loss like benzphetamine may have a higher chance of having raised pressure in the lungs. This is rare but is often deadly. Talk with your doctor.
- You may need to have some heart tests before starting benzphetamine. If you have questions, talk with your doctor.
- If you have high blood sugar (diabetes) and take drugs to lower blood sugar, talk with your doctor. Weight loss may raise the chance of low blood sugar if you take drugs to lower blood sugar. Call your doctor right away if you have signs of low blood sugar like dizziness, headache, feeling sleepy, feeling weak, shaking, a fast heartbeat, confusion, hunger, or sweating.
- Follow the diet and workout plan that your doctor told you about.
- Do not use more than what your doctor told you to use. Do not use more often or longer than what you were told. Doing any of these things may raise the chance of very bad side effects.
- This medicine may cause harm to the unborn baby if you take it while you are pregnant. If you are pregnant or you get pregnant while taking benzphetamine, call your doctor right away.
How is this medicine (Benzphetamine) best taken?
Use benzphetamine as ordered by your doctor. Read all information given to you. Follow all instructions closely.
- Take benzphetamine early in the day to prevent sleep problems.
What do I do if I miss a dose?
- Take a missed dose as soon as you think about it.
- If it is close to the time for your next dose, skip the missed dose and go back to your normal time.
- Do not take 2 doses at the same time or extra doses.
What are some side effects that I need to call my doctor about right away?
WARNING/CAUTION: Even though it may be rare, some people may have very bad and sometimes deadly side effects when taking a drug. Tell your doctor or get medical help right away if you have any of the following signs or symptoms that may be related to a very bad side effect:
- Signs of an allergic reaction, like rash; hives; itching; red, swollen, blistered, or peeling skin with or without fever; wheezing; tightness in the chest or throat; trouble breathing, swallowing, or talking; unusual hoarseness; or swelling of the mouth, face, lips, tongue, or throat.
- Signs of high blood pressure like very bad headache or dizziness, passing out, or change in eyesight.
- Chest pain or pressure.
- Shortness of breath, a big weight gain, or swelling in the arms or legs.
- Mood changes.
- Change in sex interest.
- Some people taking drugs like this one have had heart valve problems. Call your doctor right away if you have dizziness, tiredness, or weakness that will not go away; fast heartbeat or a heartbeat that does not feel normal; swelling in your arms or legs; or trouble breathing.
What are some other side effects of Benzphetamine?
All drugs may cause side effects. However, many people have no side effects or only have minor side effects. Call your doctor or get medical help if any of these side effects or any other side effects bother you or do not go away:
- Feeling nervous and excitable.
- Trouble sleeping.
- Sweating a lot.
- Dry mouth.
- Upset stomach.
- Bad taste in your mouth.
These are not all of the side effects that may occur. If you have questions about side effects, call your doctor. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-332-1088. You may also report side effects at https://www.fda.gov/medwatch.
If OVERDOSE is suspected:
If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
How do I store and/or throw out Benzphetamine?
- Store at room temperature.
- Protect from light.
- Store in a dry place. Do not store in a bathroom.
- Keep all drugs in a safe place. Keep all drugs out of the reach of children and pets.
- Throw away unused or expired drugs. Do not flush down a toilet or pour down a drain unless you are told to do so. Check with your pharmacist if you have questions about the best way to throw out drugs. There may be drug take-back programs in your area.
Consumer information use
- If your symptoms or health problems do not get better or if they become worse, call your doctor.
- Do not share your drugs with others and do not take anyone else's drugs.
- Some drugs may have another patient information leaflet. Check with your pharmacist. If you have any questions about benzphetamine, please talk with your doctor, nurse, pharmacist, or other health care provider.
- If you think there has been an overdose, call your poison control center or get medical care right away. Be ready to tell or show what was taken, how much, and when it happened.
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.
More about benzphetamine
- Side Effects
- During Pregnancy
- Dosage Information
- Drug Images
- Drug Interactions
- Pricing & Coupons
- En Español
- 16 Reviews
- Drug class: anorexiants