Benzphetamine - Indications, Side Effects, and Precautions

Overview:

Patients who are obese can lose weight by using Benzphetamine. The appetite is suppressed with this medication. This medication can only be obtained with a prescription from the physician.

For Oral Dosage (Tablets):

These dose formulations are available for this product:

For Weight Loss:

• Adults: Initially, take 25 to 50 mg (milligrams) once daily. If necessary, the doctor might increase the dosage. However, the dosage is typically limited to 25 to 50 mg thrice daily.

• Children: The doctor must establish the appropriate use and dosage.

Warnings:

An individual is advised to see a doctor regularly to ensure the medication is functioning as intended. Blood pressure and blood pressure tests may be required to look for side effects. This medication can cause harm to the unborn child if it is used during pregnancy. When using this medication, avoid getting pregnant by using a reliable method of birth control. Inform the doctor as soon as possible if pregnancy occurs while taking the medication. Do not stop taking this medication without first consulting the doctor if an individual wants to use it for an extended period. The doctor could advise the patient to gradually reduce the medication before discontinuing it.

Benzphetamine tablets should not be taken with other anorectic medications, including over-the-counter, prescription, or herbal remedies. A rare but sometimes fatal condition called pulmonary hypertension was linked to the use of anorectic drugs in a case-control epidemiological investigation. The chance of developing pulmonary hypertension was found to increase 23 times when anorectic medications were used for more than three months. It is not possible to rule out an increased risk of pulmonary hypertension with repeated therapy sessions. It should be mentioned that this case-control study did not particularly examine Benzphetamine.

For Patients:

Why Is Benzphetamine Prescribed?

Benzphetamine is prescribed for dealing with exogenous obesity (where the weight gain is purely due to an excess calorie intake). Take this medication precisely as prescribed by the physician. Take it as the doctor prescribes; the medicine must not be administered more frequently, in larger doses, or for longer duration without the doctor's recommendation. This medication has the potential to become habit-forming if taken in excess.

Consult the doctor before increasing the dosage if, after taking the medication for a few weeks, the patient feels that it is not working as it should. Taking this medication in the middle of the morning or mid-afternoon is ideal. Pay close attention to any advice your doctor gives you regarding a specific eating plan that will aid in weight loss.

Dosage:

Every patient requires a different dosage. The label's instructions or the advice of the physician must be considered. Only the average dosages for this medication are listed below. If the dosage is different, only adjust it if instructed by the physician. The strength of the medication determines how much of it must be taken. The medical condition for which the medication is being administered also affects the number of doses to be taken daily, how long the patient can wait between doses, and how long to take the medication.

What Are the Side Effects of Benzphetamine?

A medication may have certain undesirable side effects in addition to its intended benefits. While not all of these adverse effects are likely to happen, they can require medical treatment if they do. If an individual shows any of the following side effects, consult the doctor immediately:

• Anxiety.

• Agitation.

• Confusion.

• Dizziness.

• Fast, irregular, pounding, or racing heartbeat or pulse.

• Feeling lightheaded or faint.

• Hives, itching, skin rash.

• Headache.

• Irritability.

• Lightheadedness.

• Mood or other mental changes.

• Nervousness.

• Numbness in the arms or legs.

• Nightmares.

• Redness of the skin.

• Restlessness.

• Shakiness in the legs, arms, hands, or feet.

• Seizures.

• Sweating.

• Trouble sleeping.

• Trouble speaking, thinking, or walking.

• Unusual feeling of excitement.

If any of the following overdose symptoms are experienced, get emergency assistance immediately:

Symptoms of Overdose:

• Blurred vision.

• Alterations in consciousness.

• Dark-colored urine.

• Diarrhea.

• Fever.

• Dizziness or lightheadedness while getting up suddenly from a lying or sitting position.

• Unconsciousness.

• Muscle cramps, spasms, or stiffness.

• Nervousness.

• Nausea.

• Physical attempt to injure oneself.

• Pounding in the ears.

• Rapid, shallow breathing.

• Stomach cramps.

• Vomiting.

• Violent actions.

Missed Dose:

If a dose is missed, take this medication as early as possible. However, if it is time for the next dose, skip the missed dose and resume the usual dosing regimen. Avoid taking two doses at once.

Storage:

• The medication must be stored at room temperature in a tightly closed container of direct heat, sunlight, and moisture.

• Prevent freezing the medication.

• Keep it away from children.

• Find out from the healthcare provider how to properly dispose of any medications that are not being used.

For Doctors:

Indications:

Patients with an initial body mass index (BMI) of 30 kilograms per meter square or greater did not respond properly to weight-reducing methods such as diet and exercise. Benzphetamine is advised for managing exogenous obesity as a short-term adjunct to a regimen for weight loss reduction based on caloric restriction.

What Are the Contraindications of Benzphetamine?

Patients with advanced arteriosclerosis, symptomatic cardiovascular disease, hyperthyroidism, moderate to severe hypertension, known idiosyncrasy or intolerance to sympathomimetic amines, and glaucoma should not take Benzphetamine. Patients who are disturbed or have a history of drug misuse should not be administered Benzphetamine. When sympathomimetic amines are administered concurrently with monoamine oxidase inhibitors or within 14 days afterward, hypertensive episodes have been reported. It is not recommended to take Benzphetamine in conjunction with other CNS stimulants.

Benzphetamine given to a pregnant woman has the potential to harm the fetus. At high multiples of the human dose, amphetamines have been demonstrated to be teratogenic and embryotoxic in mammals. Pregnant or potentially pregnant women should not use Benzphetamine. The patient should be made aware of the possible risk to the fetus if it is administered during pregnancy or if the patient falls pregnant while using this medication.

Dosage:

The patient's response should be taken into account while determining the dosage. A 25 to 50 mg dose is advised one to three times a day. Starting the treatment with a dose of 25 to 50 mg once daily, each patient's dose or frequency should be increased based on their response. Based on the patient's eating habits, a single daily dose is best administered in the middle of the morning or the middle of the afternoon. It can be best to avoid administering medication in the late afternoon to an infrequent patient. Under the age of seventeen, it is not advised to use Benzphetamine.

Clinical Pharmacology:

A sympathomimetic amine, Benzphetamine hydrochloride shares pharmacologic activity with amphetamines, the class's prototype medications used to treat obesity. Benzphetamine hydrochloride raises blood pressure and stimulates the central nervous system, among other things. For every medication in this class that has been studied, tachyphylaxis and tolerance have been shown. When used to treat obesity, these medications are referred to as "anorectics" or "anorexigens." However, it has yet to be proven that they work largely by suppressing hunger. There could be further acts of the central nervous system or metabolic consequences.

What Are the Drug Interactions of Benzphetamine?

While some medications should never be combined, there are other situations in which two distinct medications can be taken together, even though there may be an interaction. The doctor might wish to adjust the dosage or suggest other safety measures in certain situations. The healthcare provider must be aware of any medications being taken while taking this medication. The list of medications is given below. Taking this medication with any of the following medications is not advised. The doctor will not prescribe this medication if the following medications are being taken or will adjust the dosage accordingly.

• Furazolidone.

• Iproniazid.

• Isocarboxazid.

• Linezolid.

• Methylene cyan.

• Moclobemide.

• Amalamide nialamide.

• Ozanimod.

• Phenelzine.

• Procarbazine.

• Rasagiline.

• Safinamide.

• Selegiline.

• Sibutramine.

• Tranylcypromine.

While it is generally not advised, using this medication with any of the following medications might be necessary in specific circumstances. If the doctor has to administer both medications concurrently, they may adjust the dosage or frequency of one or both doses.

• Abiraterone acetate.

• Almotriptan.

• Acetazolamide.

• Alfentanil.

• Aluminum.

• Amifampridine.

• Amitriptyline.

• Amitriptylinoxide.

• Amineptine.

• Anileridine.

• Amoxapine.

• Brompheniramine.

• Benzhydrocodone.

• Benzthiazide.

• Buspirone.

• Butorphanol.

• Buprenorphine.

• Bupropion.

• Carbamazepine.

• Calcium carbonate.

• Chlorpheniramine.

• Cimetidine.

• Clobazam.

• Chlorothiazide.

• Cinacalcet.

• Clomipramine.

• Citalopram.

• Cobicistat.

• Cyclobenzaprine.

• Cocaine.

• Codeine.

• Desipramine.

• Dextromethorphan.

• Desvenlafaxine.

• Dexlansoprazole.

• Diazoxide.

• Dihydrocodeine.

• Difenoxin.

• Dibenzepin.

• Dihydroxyaluminum aminoacetate.

• Donepezil.

• Dolasetron.

• Diphenoxylate.

• Duloxetine.

• Doxepin.

• Eletriptan.

• Escitalopram.

• Ethylmorphine.

• Esomeprazole.

• Fentanyl.

• Fluoxetine.

• Fluvoxamine.

• Fenfluramine.

• Frovatriptan.

• Granisetron.

• Gepirone.

• Hydrochlorothiazide.

• Hydroxytryptophan.

• Hydromorphone.

• Hydroflumethiazide.

• Imipramine.

• Iobenguane.

• Ketobemidone.

• Lasmiditan.

• Lansoprazole.

• Levomilnacipran.

• Lithium.

• Levorphanol.

• Lofepramine.

• Lorcaserin.

• Magaldrate.

• Magnesium carbonate.

• Melitracen.

• Methadone.

• Metaxalone.

• Meperidine.

• Milnacipran.

• Mirabegron.

• Morphine.

• Mirtazapine.

• Morphine sulfate liposome.

• Naratriptan

• Nalbuphine.

• Nefazodone.

• Nortriptyline.

• Nicomorphine.

• Omeprazole.

• Oliceridine.

• Ondansetron.

• Opipramol.

• Opium.

• Opium alkaloids.

• Oxycodone.

• Oxymorphone.

• Pantoprazole.

• Palonosetron.

• Papaveretum.

• Paregoric.

• Paroxetine.

• Pentazocine.

• Piritramide.

• Protriptyline.

• Polythiazide.

• Quinidine.

• Quinine.

• Remifentanil.

• Rabeprazole.

• Ritonavir.

• Rolapitant.

• Rizatriptan.

• Sertraline.

• St John's wort.

• Sodium bicarbonate.

• Sumatriptan.

• Sufentanil.

• Tapentadol.

• Terbinafine.

• Trazodone.

• Tianeptine.

• Tramadol.

• Tilidine.

• Trichlormethiazide.

• Trimipramine.

• Tryptophan.

• Venlafaxine.

• Vortioxetine.

• Vilazodone.

• Xipamide.

• Zolmitriptan.

• Ziprasidone.

Other Medical Problems:

Additional medical issues may impact the use of this medication. It is important to inform the doctor about any additional medical conditions, particularly:

• Agitation or anxiety.

• Severe drug abuse or dependence.

• History of glaucoma.

• Heart or blood vessel disease.

• Heart rhythm issues.

• High blood pressure.

• Overactive thyroid.

These patients should not be prescribed this medication. Use with caution if the patient has diabetes, high blood pressure, minor respiratory issues, lung disease, or mental illness. These conditions could get worse with this medication.

Adverse Effects:

• Elevated blood pressure in the lungs and pulmonary hypertension.

• It might lead to severe heart or blood vessel issues like valvular heart disease if taken more frequently, for a longer period, or in combination with other medications that suppress the appetite like Fenfluramine or Dexfenfluramine.

• If an individual experiences difficulty breathing, chest pain, fainting, reduced exercise capacity, swelling in the lower legs or feet, or any of these symptoms, consult the doctor immediately.

The patient must not use this drug if they have used an MAO inhibitor (MAOI) during the last 14 days or if they are taking any other stimulants at the moment.This medication may make some people drowsy or dizzy. Until an individual knows how this medication will affect the patient, avoid driving and other potentially hazardous activities. Do not take any more medications without first talking to the doctor. This includes over-the-counter (OTC), prescription medications, and vitamin and herbal supplements.

Clinical Trials:

Relatively short-term clinical trials have shown that adult obese participants treated with "anorectic" medicines and instructed in food control shed more weight on average than those treated with diet and placebo. A sympathomimetic amine, Benzphetamine hydrochloride shares pharmacologic activity with amphetamines, the class's prototype medications used to treat obesity. Among other things, it raises blood pressure and stimulates the central nervous system. For every medication in this class that has been studied, tachyphylaxis and tolerance have been shown.

When used to treat obesity, these medications are referred to as "anorectics" or "anorexigens." However, it has yet to be proven that they work largely by suppressing hunger. There could be further acts of the central nervous system or metabolic consequences. Relatively short-term clinical trials have shown that adult obese participants treated with "anorectic" medicines and instructed in food control shed more weight on average than those treated with diet and placebo.

Just a few pounds are lost per week more by patients receiving medication than by people receiving a placebo. For both medication and placebo patients, the rate of weight loss peaks in the first few weeks of therapy and then gradually declines in the following weeks. Trial by trial, the quantity of weight lost when using an anorectic medication varies, and the higher weight loss is connected to factors other than the medication, like the treating population, the physician-investigator, and the recommended diet. Research does not allow for conclusions on the drug's relative importance.

Since the referenced studies only lasted a few weeks while the natural history of obesity is measured in years, the overall benefit of drug-induced weight loss over diet alone must be regarded as clinically limited. There is no human pharmacokinetic data available.

Precautions:

When choosing which medication to take, one must consider the potential hazards and benefits. The doctor makes the decisions regarding this. When using this medication, keep the following in mind:

• Hypersensitivity: If an individual ever experiences an unexpected or adverse reaction to Benzphetamine or any other medication, make the doctor aware. Inform the healthcare provider about any additional allergies that an individual has, including those to foods, colors, preservatives, or animals. Carefully read the ingredients on the label or container of non-prescription products.

• Pediatric: There have not been any pediatric-appropriate studies on how age affects Benzphetamine effects in kids. Children under the age of 17 are not advised to use this medication.

• Geriatric: Studies that are geriatric appropriate about the correlation between age and Benzphetamine's effects in the elderly have not been conducted. However, age-related liver, renal, or heart issues are more common in older patients, which may call for caution and a dose modification for Benzphetamine users.

• Breastfeeding: There are not enough studies on women to assess the harm to the unborn child when taking this medicine while nursing. Before using this drug while nursing, balance the possible advantages against the potential disadvantages.