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phentermine stopped working

Phentermine (Adipex-P, Lomaira) Uses And Dosage

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Phentermine, available for purchase as Acxion Fentermina pills, Adipex-P, and Lomaira, stands as a significant aid in the journey toward weight loss for individuals grappling with obesity. This medication, when used in conjunction with proper diet and exercise, can be instrumental in addressing weight-related health problems such as high blood pressure, high cholesterol, and diabetes. However, it’s essential to comprehend its uses, dosage, and associated precautions to ensure safe and effective treatment.

What is Phentermine?

Phentermine is part of a class of medications known as anorectics and bears structural similarities to amphetamines. Its mechanism of action entails stimulating the central nervous system, resulting in heightened heart rate and blood pressure while simultaneously suppressing appetite. This dual effect aids in curbing calorie intake and promoting weight loss, albeit temporarily.

Warnings and Precautions

Before embarking on a regimen involving Phentermine, it’s crucial to heed certain warnings and precautions to mitigate potential risks. Individuals who are pregnant or breastfeeding or those with conditions such as glaucoma, overactive thyroid, severe heart problems, uncontrolled high blood pressure, or a history of drug abuse should avoid its usage. Moreover, a 14-day gap is imperative between the use of this medicine and MAO inhibitors to prevent dangerous Phentermine drug interactions.

Dosage Guidelines

Phentermine is typically administered in dosages tailored to individual needs, often before breakfast or one to two hours after. How long should you wait to eat after taking Phentermine? It’s advisable to adhere to these timing recommendations for optimal efficacy. The recommended adult dose ranges from 8 mg three times daily before meals to a single daily dose of 15 to 37.5 mg before or after breakfast. Pediatric dosing follows a similar pattern for individuals aged 17 years and older.

Adverse Effects and Overdose

While Phentermine can be efficacious, it’s not devoid of side effects. Its adverse reactions include: 

  • Increased blood pressure
  • Chest pain
  • Dizziness
  • Tremors
  • Gastrointestinal discomfort

In the event of an overdose characterized by symptoms like confusion, hallucinations, or irregular heartbeats, immediate medical attention is imperative.

Cautions and Considerations

Phentermine isn’t a panacea for obesity and should be approached with caution. Prolonged use may lead to habituation, and abrupt cessation can trigger withdrawal symptoms. Furthermore, its efficacy may diminish over time, necessitating periodic reassessment by healthcare professionals.

Frequently Asked Questions (FAQs)

Where can I get Phentermine to lose weight? 

Phentermine is a prescription medication typically obtained through consultation with a healthcare professional such as a doctor or a weight loss clinic. It is not available over-the-counter (OTC) and requires a valid prescription for purchase.

When is the best time to take Phentermine?

The optimal time to take Phentermine is typically in the morning, on an empty stomach, at least 30 minutes before breakfast, or one to two hours after breakfast. This timing helps ensure maximum absorption and effectiveness of the medication in suppressing appetite and promoting weight loss.

Does Phentermine give you energy?

Phentermine can increase energy levels for some individuals due to its stimulant triggers on the central nervous system, leading to heightened alertness and reduced fatigue. However, individual responses may vary, and not everyone may experience increased energy as a result of taking Phentermine.

Is it safe to drink alcohol while taking Phentermine?

Avoiding alcohol consumption while taking Phentermine is typically advised due to its potential to heighten side effects like dizziness, drowsiness, and impaired judgment. Additionally, alcohol may impede Phentermine’s effectiveness in facilitating weight loss.

Has Phentermine ever stopped working?

While Phentermine can initially be effective in promoting weight loss, some individuals may experience a plateau or diminished effects over time, leading to a perception that the medication has stopped working. In such cases, consulting with a healthcare provider can help assess the situation and determine potential adjustments to the treatment plan. 

Doctor’s Recommendation

It is recommended to only take phentermine for 12 weeks at a time before tapering for approximately 9 weeks to avoid rebound weight gain. For the first 2 weeks after the 12 weeks, reduce the dose to 30mg; for weeks 3-4, reduce the dose to 22.5mg; for weeks 5- 6, reduce it to 15mg; for weeks 7-8, reduce it to 7.5mg. Maintaining a healthy weight is more accessible than losing weight, as many biological systems that regulate satiety are improved when an individual reaches a normal BMI. However, an abrupt medication withdrawal may result in an abrupt appetite increase. Patients should consider lowering their carbohydrate intake as much as possible and exercise as much as tolerated for optimal weight loss.

Medically Reviewed

Profile image of Dr Pawel Zawadzki

Medically Reviewed By Dr Pawel ZawadzkiDr. Pawel Zawadzki, a U.S.-licensed MD from McMaster University and Poznan Medical School, specializes in family medicine, advocates for healthy living, and enjoys outdoor activities, reflecting his holistic approach to health.

Profile image of CDI Staff Writer

Written by CDI Staff Writer on March 21, 2024

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