When should I not take Phentermine?

Phentermine is a potent active substance, which cannot be bought and used without doctor’s prescription. Medications that contain Phentermine are used for weight loss and obesity treatment, hence they are not meant for treatment of other diseases.

Phentermine cannot be prescribed for patients, who were not diagnosed overweight or obesity (BMI above 30). Rarely, Phentermine is prescribed for patients with BMI 27 to 30. But these kind of patients usually have such diseases as uncontrolled hypertension, abnormal increase in lipid levels or diabetes.

The application of Phentermine-containing drugs significantly reduces the appetite of a patient and sometimes increases the blood pressure. Therefore, Phentermine is not recommended for use in patients with the following cardiovascular pathologies:

  • Heart failure and abnormal heart rhythm;
  • Diseases associated with cerebral circulation;
  • Abnormal blood pressure or pulmonary hypertension;
  • Congenital defects or other deviation, associated with heart valves;
  • Diseases, associated with narrowing of small and large blood vessels.

When should I not take Phentermine?

Phentermine-containing drugs provide a strong effect on the central nervous system (CNS) and brain, thereby suppressing appetite and improving metabolism.

Do not use Phentermine in severe mental deviation, depressive disorder and chronic sleep disorders. If you take Phentermine before or 7-10 hours after sleep, the risk of such CNS side effect as insomnia increases.

However, only obese patients of certain age categories can take Phentermine. In Australia and New Zealand, Phentermine (Metermine and Duromine) is forbidden for overweight and obese children under 12 years old.

In the USA, medications that contain Phentermine (such as Suprenza and Adipex) are forbidden for children and teenagers under 16 years old. In addition, elderly patients (over 65 years old) should take Phentermine with caution.

Combined use of Phentermine and other drugs can be very dangerous for health. Patients must never use Phentermine with medicines that can change the levels of serotonin in the brain (e.g. painkillers).

Patients should refrain from a combined use of Phentermine and such antidepressants as: Paroxetine, Clomipramine, Pexeva, Prozac, Sarafem, Sertraline, Brisdelle, Anafranil, Paxil, Selfemra, Symbyax and Zoloft.

Apart from that, Phentermine is contraindicated for use if patients have been using antidepressants from MAO group (Tranylcypromine, Phenelzine, Parnate and Nardil) within the last two weeks.

Phentermine is contraindicated for women during the entire pregnancy period, breastfeeding mothers, patients with alcohol or drug addiction and people who have severe allergic reaction to the drug. People should never use Phentermine after its expiration date, indicated on the package.

If you have no contraindications for the use of Phentermine, you can get a prescription for this drug from the doctor. If you already have a prescription, then you can buy Phentermine pills in the countries where they are approved for obesity treatment.

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