Information on new prescription diet pills
We have included some information on phentermine for those who are interested in finding out more information on this particular ingredient that goes into making up Qnexa.
Qnexa was studies at different dosages. These are the amounts used in the various clinical tests.
Low Dose Qnexa: 3.75mg phentermine (IR) + 23mg topiramate (CR)
Mid Dose Qnexa: 7.5mg phentermine (IR) + 46mg topiramate (CR)
High Dose Qnexa: 15mg phentermine (IR) + 92mg topiramate (CR)
(IR) Immediate Release Formulation
(CR) Controlled Release Formulation
Never attempt to mix these medications yourself.
Phentermine is one of the medications used to help dieters lose weight: so it falls into the class of medicines known as anorectics, which decrease the appetite. Chemically it has some similarities to amphetamines and thus is considered a Schedule IV controlled substance. It was originally introduced and sold in resin form back in 1959 and later as phentermine hydrochloride in the 70's. It is also known as phentermine hydrochloride. The pill is typically prescribed to those who are extremely overweight and have tried dieting and exercising with little or no success. This is not an over-the- counter medication: phentermine can only be prescribed by your doctor. If you are very overweight and think that a medication such as phentermine could help you, you should speak with your doctor about possibly taking phentermine as part of your weight loss program. Phentermine, the active chemical, is available in several different brands of weight-loss pills. Some of the more popular trademarked names for phentermine are Adipex® or Adipex-P®, Ionamin®, Obe-Nix®. The common pill sizes are 15mg, 30mg and 37.5 mg but can come in other amounts. See the wikipedia phentermine page for more information.
Phentermine comes in three different forms, either tablets, extended release capsules or as a resin complex. It may be prescribed to be taken once in the morning or three times per day about half an hour before you eat a meal, depending on the type of tablet or capsule. Make sure that you follow the instructions found on your prescription label precisely. If you are unsure of something it is important to speak to your pharmacist or doctor for advice. It cannot be stressed enough that it is important to take the medication as prescribed.
Phentermine is regarded as useful for finite periods: it prescribed usually for a period of three to six weeks. How long you are prescribed the medication depends on your response to the medication. The medication has the potential to cause addiction: for this reason it is important that you do not take bigger doses or take it more frequently than prescribed by your doctor, or take it for longer than prescribed.
If you are taking the long acting tablets, the extended release form, it is important that you do not chew, spilt, or crush them. Where you are prescribed the ones to be taken before meals, it is important that you do take them before your meals as prescribed.
As with all medicine there are precautions you should take
- Let your doctor or pharmacist know if you are allergic to the medication prescribed, other medications, or any components that make the phentermine tablet. Your pharmacist will be able to check the phentermine tablet to see whether it includes the substance you are allergic to.
- It is important that you make your doctor or pharmacist aware of other medication you are taking. This would include prescription and over the counter medicines, nutritional supplements, and herbal products. If you plan to take any in the future it is also important to remember to tell them of this prior to taking a new medication of any form.
- If you have ever experienced heart disease, high blood pressure, hyperthyroidism, arteriosclerosis, diabetes, glaucoma, or a history of drug use you need to inform your doctor of this prior to taking phentermine.
- If you are pregnant, planning to become pregnant, or breastfeeding, you need to immediately tell your doctor. If you become pregnant while taking the medication you should contact your doctor right away.
- If you are 65 years old or older you should speak with your doctor about the benefits and risks that could come with taking phentermine. Generally phentermine is not prescribed to people in the older age group as it could carry risks to them: there are other eight loss medicines that could be safer for such people.
- It is important to know that the medicine can make you sleepy. Do not drive a motor vehicle or use any form of machinery until you are fully aware of how your body reacts to the medication, and until your body has become adjusted to it. It is recommended that you avoid alcohol as it can make side effects worse.
- If you have been diagnosed with diabetes your doctor may decide to lower your insulin dosage while taking phentermine. Contact your doctor with any concerns in this regard.
You and your doctor will go over a diet and exercise program while taking phentermine. Follow the doctor's advice as he knows what works best while taking phentermine.
Important: Forgot a Dose
If you forget to take a dose of phentermine you should take it once you remember, or if it is almost time for your next dose then you should skip taking the dose that you missed and simply continue with your dosage routine. Do not double dose when trying to make up for a missed dose.
There are side effects that could possibly be caused when taking phentermine. Some of them are minor nuisances only, and usually settle down after a few days. Let your doctor know if any of the side effects become persistent or worsen over time:
- Dryness of the mouth
- Unpleasant taste in the mouth
There are some side effects that are very serious and should be treated as such. Do not hesitate to call your doctor if you experience any of the following:
- Increased blood pressure
- Palpitations of the heart
- Difficulties sleeping
- Difficulty with breathing
- Pains in the chest
- Leg or ankle swelling
- Difficulty exercising
There are other side effects that can be caused by taking phentermine. You should call your doctor the moment you notice anything abnormal after taking the medication.
You should always keep your medication in the container your received it in. Make sure that it is closed securely and never keep in it where children could get hold of it. Your medication should be stored at room temperature making sure not to keep it near intense heat or excessive moisture. If your medication has expired, or is no longer needed, make sure to discard it safely.
Other Information You Should Know
Make sure that you maintain your scheduled doctor appointments. Never let anyone else take your medicine. It is a controlled substance and should be handled as such. If you need a refill speak with your doctor: though remember that the prescription will only be repeated a few times. Keep a list of all medication that you currently take, or plan to take in the future and contact your doctor to be sure it is safe to take with phentermine.