Terfamex Dosage

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Dosage of Terfamex in details

The dose of a drug and dosage of the drug are two different terminologies. Dose is defined as the quantity or amount of medicine given by the doctor or taken by the patient at a given period. Dosage is the regimen prescribed by the doctor about how many days and how many times per day the drug is to be taken in specified dose by the patient. The dose is expressed in mg for tablets or gm, micro gm sometimes, ml for syrups or drops for kids syrups. The dose is not fixed for a drug for all conditions, and it changes according to the condition or a disease. It also changes on the age of the patient.

Exogenous Obesity

Dosage should be individualized to obtain an adequate response with the lowest effective dose.

The usual adult dose is one tablet as prescribed by the physician, administered in the morning, with or without food. Terfamex is not recommended for use in pediatric patients less than or equal to 16 years of age.

Late evening medication should be avoided because of the possibility of resulting insomnia.

With dry hands, gently remove the Terfamex (Terfamex hydrochloride ODT) tablet from the bottle. Immediately place the Terfamex tablet on top of the tongue where it will dissolve, then swallow with or without water.

How supplied

Dosage Forms And Strengths

Orally disintegrating tablets (ODT) containing 15 mg, 30 mg, or 37.5 mg Terfamex hydrochloride (equivalent to 12 mg, 24 mg, or 30 mg Terfamex base, respectively). The tablets are not scored. The 15 mg ODT is a yellow with blue spots round tablet embossed with AX4 on one side. The 30 mg ODT is a yellow round tablet embossed with AX7 on one side. The 37.5 mg ODT is a white with blue spots round tablet embossed with AX8 on one side.

Storage And Handling

Available as orally disintegrating tablets (ODT) containing 15 mg, 30 mg, or 37.5 mg of Terfamex hydrochloride (equivalent to 12 mg, 24 mg, or 30 mg Terfamex base, respectively). The tablets are not scored. The 15 mg ODT is a yellow with blue spots round tablet embossed with AX4 on one side. The 30 mg ODT is a yellow round tablet embossed with AX7 on one side. The 37.5 mg ODT is a white with blue spots round tablet embossed with AX8 on one side.

Terfamex is available as described in Table 2.

Table 2: Terfamex

Orally Disintegrating Tablet Presentations

Tablet Strength Tablet Color/Shape Tablet Markings NDC Code
15 mg Round, embossed tablets Yellow with blue spots AX4 on one side NDC:24090 720
30 mg Round, embossed tablets Yellow AX7 on one side NDC:24090 721
37.5 mg Round, embossed tablets White with blue spots AX8 on one side NDC:24090 722

Terfamex 15 mg, 30 mg, and 37.5 mg ODT are packaged in bottles of 30.

Store at 20° to 25°C (68° to 77°F).

Dispense in a tight container as defined in the USP, with a child-resistant closure (as required).

Keep out of the reach of children.

Manufactured for Akrimax Pharmaceuticals, LLC Cranford, NJ 07016. by: Alpex Pharma SA, Lugano, Switzerland. Marketed and Distributed by: Akrimax Pharmaceuticals, LLC Cranford, NJ 07016. Revised: 06/2013

What other drugs will affect Terfamex?

Taking this medicine with other stimulant drugs that make you restless or hyperactive can worsen these effects. Ask your doctor before taking Terfamex with diet pills, other stimulants, or medicine to treat attention deficit hyperactivity disorder (ADHD).

Tell your doctor about all medicines you use, and those you start or stop using during your treatment with Terfamex, especially:

This list is not complete. Other drugs may interact with Terfamex, including prescription and over-the-counter medicines, vitamins, and herbal products. Not all possible interactions are listed in this medication guide.

Terfamex interactions

Interactions are the effects that happen when the drug is taken along with the food or when taken with other medications. Suppose if you are taking a drug Terfamex, it may have interactions with specific foods and specific medications. It will not interact with all foods and medications. The interactions vary from drug to drug. You need to be aware of interactions of the medicine you take. Most medications may interact with alcohol, tobacco, so be cautious.

Monoamine Oxidase Inhibitors

Use of Terfamex® is contraindicated during or within 14 days following the administration of monoamine oxidase inhibitors because of the risk of hypertensive crisis.


Concomitant use of alcohol with Terfamex® may result in an adverse drug reaction.

Insulin And

Oral Hypoglycemic Medications

Requirements may be altered.

Adrenergic Neuron Blocking Drugs

Terfamex® may decrease the hypotensive effect of adrenergic neuron blocking drugs.

Drug Abuse And Dependence

Controlled Substance

Terfamex is a Schedule IV controlled substance.


Terfamex is related chemically and pharmacologically to the amphetamines. Amphetamines and other stimulant drugs have been extensively abused and the possibility of abuse of Terfamex should be kept in mind when evaluating the desirability of including a drug as part of a weight reduction program.


Abuse of amphetamines and related drugs may be associated with intense psychological dependence and severe social dysfunction. There are reports of patients who have increased the dosage of these drugs to many times than recommended. Abrupt cessation following prolonged high dosage administration results in extreme fatigue and mental depression; changes are also noted on the sleep EEG. Manifestations of chronic intoxication with anorectic drugs include severe dermatoses, marked insomnia, irritability, hyperactivity and personality changes. A severe manifestation of chronic intoxication is psychosis, often clinically indistinguishable from schizophrenia.



  1. FDA/SPL Indexing Data. "C045TQL4WP: The UNique Ingredient Identifier (UNII) is an alphanumeric substance identifier from the joint FDA/USP Substance Registration System (SRS).". https://www.fda.gov/ForIndustry/Data... (accessed September 17, 2018).
  2. MeSH. "Central Nervous System Stimulants". https://www.ncbi.nlm.nih.gov/mesh/68... (accessed September 17, 2018).
  3. European Chemicals Agency - ECHA. "Phentermine: The information provided here is aggregated from the "Notified classification and labelling" from ECHA's C&L Inventory. ". https://echa.europa.eu/information-o... (accessed September 17, 2018).


The results of a survey conducted on ndrugs.com for Terfamex are given in detail below. The results of the survey conducted are based on the impressions and views of the website users and consumers taking Terfamex. We implore you to kindly base your medical condition or therapeutic choices on the result or test conducted by a physician or licensed medical practitioners.

User reports

10 consumers reported frequency of use

How frequently do I need to take Terfamex?
It was reported by ndrugs.com website users that Terfamex should ideally be taken Once in a day as the most common frequency of the Terfamex. You should you adhere strictly to the instructions and guidelines provided by your doctor on how frequently this Terfamex should be taken. Get another patient's view on how frequent the capsule should be used by clicking here.
Once in a day8
Twice in a day2

20 consumers reported doses

What doses of Terfamex drug you have used?
The drug can be in various doses. Most anti-diabetic, anti-hypertensive drugs, pain killers, or antibiotics are in different low and high doses and prescribed by the doctors depending on the severity and demand of the condition suffered by the patient. In our reports, ndrugs.com website users used these doses of Terfamex drug in following percentages. Very few drugs come in a fixed dose or a single dose. Common conditions, like fever, have almost the same doses, e.g., [acetaminophen, 500mg] of drug used by the patient, even though it is available in various doses.

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Information checked by Dr. Sachin Kumar, MD Pharmacology

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