To help lose weight.
Brand Name(s): Adipex-P
Generic Name: Phentermine
Instructions
Take on empty stomach - 1 hour before or 2 hours after eating.
Take the medicine first thing in the morning.
Store at room temperature away from heat, light, and moisture. Do not keep in the bathroom.
Avoid drinks with caffeine while on this medicine.
If you forget to take a dose on time, take it as soon as you remember. If it is almost time for the next dose, do not take the missed dose. Return to your normal schedule. Do not take 2 doses at one time.
Drug interactions can change how medicines work or increase risk for side effects. Tell your health care providers about all medicines taken. Include prescription and over-the-counter medicines, vitamins, and herbal medicines. Speak with your doctor or pharmacist before starting or stopping any medicine.
If you need to stop this medicine, your doctor may wish to gradually reduce the dosage before stopping.
This medicine may affect your blood sugar levels. If you have diabetes, talk to your doctor before changing the dose of your diabetes medicine.
Keep all appointments for medical exams and tests while on this medicine.
Cautions
This medicine may become habit-forming if used for a long time. Please use this medicine only as directed.
Tell your doctor and pharmacist if you ever had an allergic reaction to a medicine.
Some patients taking this medicine have experienced serious side effects. Please speak with your doctor to understand the risks and benefits associated with this medicine.
Do not use the medication any more than instructed.
If possible, avoid using with alcohol, marijuana, or other medicines that can cause dizziness or drowsiness. These include allergy/cold products, muscle relaxers, sleep aids, and pain relievers.
Your ability to stay alert or to react quickly may be impaired by this medicine. Do not drive or operate machinery until you know how this medicine will affect you.
Do not breastfeed while on this medicine.
Do not use this medicine if you are pregnant. If you become pregnant, contact your doctor immediately.
Do not share this medicine with anyone who has not been prescribed this medicine.
Side Effects
The following is a list of some common side effects from this medicine. Please speak with your doctor about what you should do if you experience these or other side effects.
- agitated feeling or trouble sleeping
- constipation or diarrhea
- dizziness
- dry mouth
- irritability
- nausea and vomiting
Call your doctor or get medical help right away if you notice any of these more serious side effects:
- chest pain
- swelling of the legs, feet, and hands
- fainting
- hallucinations (unusual thoughts, seeing or hearing things that are not real)
- severe or persistent headache
- fast or irregular heart beats
- rapid heartbeat
- high blood pressure
- mood changes
- seizures
- problems with sexual functions or desire
- shortness of breath
- slurred speech
- blurring or changes of vision
- weakness on one side of the body
A few people may have an allergic reaction to this medicine. Symptoms can include difficulty breathing, skin rash, itching, swelling, or severe dizziness. If you notice any of these symptoms, seek medical help quickly.
Please speak with your doctor, nurse, or pharmacist if you have any questions about this medicine.
IMPORTANT NOTE: This document tells you briefly how to take your medicine, but it does not tell you all there is to know about it. Your doctor or pharmacist may give you other documents about your medicine. Please talk to them if you have any questions. Always follow their advice.
There is a more complete description of this medicine available in English. Scan this code on your smartphone or tablet or use the web address below. You can also ask your pharmacist for a printout. If you have any questions, please ask your pharmacist.
The display and use of this drug information is subject to Terms of Use.
More information about PHENTERMINE - ORAL
![](https://content.healthwise.net/resources/14.2/en-us/media/interface/fdb/fdbm11434-740_en-us.png)
Copyright(c) 2024 First Databank, Inc.
Selected from data included with permission and copyright by First DataBank, Inc. This copyrighted material has been downloaded from a licensed data provider and is not for distribution, except as may be authorized by the applicable terms of use.
Conditions of Use: The information in this database is intended to supplement, not substitute for the expertise and judgment of healthcare professionals. The information is not intended to cover all possible uses, directions, precautions, drug interactions or adverse effects nor should it be construed to indicate that use of a particular drug is safe, appropriate or effective for you or anyone else. A healthcare professional should be consulted before taking any drug, changing any diet or commencing or discontinuing any course of treatment. The display and use of this drug information is subject to express Terms of Use.