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Generic Name: Phentermine (pronounced FEN-ter-meen [FEN-ter-mean])
Trade Names Include Adipex-P and Lomaira.
Classes of Drugs: Anorexiants, CNS stimulants

What is Adipex-P?

Adipex-P is a prescribed medicine that is similar to amphetamine. Phentermine increases the activity of your central nervous system (nerves and brain), which can increase the rate of your heart and blood pressure and also reduce your appetite.

Adipex-P is a medication that can be used in conjunction with exercise and diet to combat overweight, particularly for those with risk factors like hypertension, high cholesterol, or diabetes.


Do not take Adipex-P when you are nursing or pregnant.It is not recommended to take Adipex-P in the event of a background or heart condition (coronary arterial disease, rhythm disorders, or congestive failure of the heart), prior strokes and/or uncontrolled high blood pressure, overactive thyroid, glaucoma, severe anxiety, or a history of addiction to drugs or other diet medications.

Don't take this medicine if you've used an MAO inhibitor in the last 14 days, including isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, or tranylcypromine. Or when you've received an injection of methylene blue. A risky drug interaction may occur.

Rare cases of a disease known as pulmonary hypertension, along with heart valve diseases, have been observed in patients who take Adipex-P. Stop taking Adipex immediately if you experience difficulty breathing or shortness of breath, sensations of lightheadedness like you may faint, swelling of your thighs, chest discomfort, or a fast heartbeat.

Before You Take This Drug

It's not advised to take Adipex-P in the situation that you're intolerant to phentermine, or have:

  • A background of heart diseases (coronary arterial disease, rhythm issues, congestive cardiac failure, and stroke);

  • Extreme or uncontrolled blood pressure

  • Thyroid hyperactivity;

  • Glaucoma;

  • Extreme nervousness or agitation;

  • A history of drug abuse

  • If you are taking another diet pill.

Do not take Adipex-P if you've used an MAO inhibitor in the last 14 days.

An interaction that could be dangerous that occurs with drugs could be dangerous.

MAO inhibitors include isocarboxazid, rasagiline, linezolid, phenelzine, selegiline, tranylcypromine, the injection of methylene blue, and many others.Do not take Adipex-P while expecting. Tell your doctor immediately if you become pregnant while taking treatment.It is not recommended to breastfeed when using Adipex-P.

To ensure that Adipex-P is suitable for you, inform your physician if you are suffering from:

  • Heart disease, also known as coronary artery disease,

  • A heart valve disorder;

  • High blood pressure

  • Thyroid problems;

  • Glaucoma;

  • Anxiousness or nervousness

  • Previous drug abuse;

  • Diabetes (your dosage of medication for diabetes could require adjustment).

  • Kidney disease.

Adipex-P is not a prescription drug for use by anyone less than 16 years of age.

How to Take Adipex-P?

Use Adipex-P as directed by your physician. Follow all instructions on the prescription label, and make sure you read the entire medication guide or instruction sheet. The doctor might alter your dosage.Adipex-P is typically taken prior to breakfast or up to 2 hours after breakfast. Follow your doctor's dosage instructions extremely carefully.

Do not take phentermine in large quantities or for longer than prescribed. Taking more of the drug will not increase its effectiveness and may create dangerous, life-threatening adverse effects.Adipex-P is intended for short-term use only. The effects of reducing appetite can fade within a couple of weeks.

Phentermine can be a habit-forming drug. The misuse of phentermine can lead to addiction, overdose, or even death. Selling or giving phentermine away is a violation of the law.

Get in touch with your doctor right away. If you feel that the medicine isn't working as well or if you have not lost more than 4 pounds in the span of 4 weeks.Do not stop taking this medication abruptly, or you could experience uncomfortable withdrawal symptoms. Discuss with your physician how you can effectively stop using this medication.Keep at room temperature and free of heat and moisture. Close the bottle when not being used.

Details On Dosage

Usual Dose for Obesity (Adults and Children Aged 17 and Older):

  • 15, to 37.5 mg once a day prior to breakfast or 1 to 2 hours after breakfast.

Adipex-P should only be used for a brief period. It is recommended to use it in conjunction with a weight-loss program that includes diet, exercise, and other behavioral modifications.

What Happens If I Miss a Dose?

You should take the medicine as fast as you can; however, avoid taking your missed dose later in the day. Don't take two doses at once.

What Happens If I Overdose?

Get medical attention immediately or contact the poison help line at 1-800-222-1222 for help. Adipex-P is a poison that can be fatal if it is overdosed.

The symptoms of an overdose can include panic, confusion, and hallucinations. It can also cause extreme anxiety, nausea, vomiting, diarrhea, stomach cramps, feeling depressed or tired, irregular heartbeats, seizures, a weak pulse, or the slowness of breathing (breathing might cease).

What Should Be Avoided?

Avoid driving and other hazardous activities until you are aware of the effects of phentermine on your body. Your reaction could be affected.Consuming alcohol while taking this medicine may cause unwanted side effects. Don't drink alcohol while taking Adipex-P.

Side Effects Of Adipex-P

Contact a medical professional immediately. Get medical attention immediately if you show symptoms that you are experiencing an allergic reaction to Adipex-P, such as hives, breathing difficulties, and swelling of your lips, face, and tongue.

See your doctor right away for help if you suffer from any of the following:

  • Feeling breathless and short of breath, even when exerting only a little;

  • Chest pain, feeling like you might pass out;

  • Swelling in your feet or ankles;

  • Heartbeats that are pounding or racing through your chest

  • Sudden behavior or mood changes. unusual changes in mood or behavior

  • Extreme headache with blurred vision, headaches, and pounding in your neck and ears. stress and nosebleeds.

Common side effects of Adipex-P include:

  • Restlessness, tremors;

  • Difficulty sleep;

  • Dizziness, headache;

  • Dry tongue, unpleasant flavor

  • Diarrhea, constipation, stomach pain;

  • Itching;

  • An increase or decrease in sexual sex interest has decreased or increased.

This is not a comprehensive list of possible side effects, and other side effects could be experienced. Contact your doctor to seek medical advice on the effects. You may report any adverse reactions to the FDA at 1-800-FDA-1088.

Interaction With Other Drugs

Combining Adipex-P with other diet medicines like fenfluramine (Phen-Fen) and dexfenfluramine (Redux) can lead to heart valve issues or an uncommon lung disease known as pulmonary hypertension. Do not take Adipex along with any other diet medication without consulting your physician.

A variety of drugs may interact with Adipex P. Inform your physician about all the medications you are currently taking and any that you decide to start or stop using, in particular:

  • Other weight loss drugs;

  • Antidepressant drugs, such as MAO-inhibitors (isocarboxazid, linezolid, phenelzine, rasagiline, selegiline, methylene blue injection, tranylcypromine, and more), as well as selective serotonin reuptake inhibitors (fluoxetine and fluvoxamine, as well as paroxetine, sertraline, and others);

  • Treatments for diabetes (including metformin, insulin, and other medications) as well as

  • Certain blood pressure medicines (labetalol, metoprolol, propranolol, propranolol prazosin, doxazosin, terazosin, and others)

Other medicines, such as medications that are prescribed and available over the counter, as well as vitamins and herbal supplements, can be incompatible with Adipex-P. There are many possible interactions. Not all are included in this article. Discuss with your doctor all the medicines you are currently taking and any medications you begin or stop taking.



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