Brand Name: Adipex®, Ionamin® & Fastin®

Uses

Phentermine is used as an appetite suppressant and works best as part of an overall weight reduction program that also includes dieting, exercise, and counseling.


How to take this medication

This medication is best taken on an empty stomach one half-hour before
breakfast. Because this medication may cause sleeplessness, avoid taking a dose
late in the day. Take this medication as prescribed. Do not take it more often
or longer than directed.

Side effects

Side effects cannot be anticipated. If any develop or change in intensity, inform your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this medication.

Side effects may include:

Changes in sex drive, constipation, diarrhea, dizziness, dry mouth, exaggerated feelings of depression or elation, headache, high blood pressure, hives, impotence, inability to fall or stay asleep, increased heart rate, overstimulation, restlessness, stomach or intestinal problems, throbbing heartbeat, tremors, unpleasant taste.

Precautions

Tell your doctor your complete medical history especially if you have high blood pressure, an over-active thyroid, glaucoma, diabetes or emotional problems.
Consult with your doctor if you think you are pregnant or before breast-feeding.
Alcohol can increase unwanted side effects of dizziness. Limit alcohol use.
Phentermine is not recommended for use in children. Consult your doctor or
pharmacist for further information.

Drug interactions

Inform your doctor about all the medicines you use, (prescription and
nonprescription) especially if you take high blood pressure medicine or MAO
inhibitors (e.g., furazolidone, phenelzine, selegiline, tranylcypromine) or any
other weight loss medicine. Avoid 'stimulant' drugs that may increase your heart
rate such as decongestants or caffeine. Decongestants are commonly found in over-the-counter cough and cold medicine.

Notes

Phentermine is not a substitute for proper diet. For maximum effects, this must
be used in conjunction with a diet and exercise program. Do not share this
medication with others.

Miss dose

If you miss a dose, do not double the next dose. Instead, skip the missed dose and resume your usual dosing schedule.

Storage

Store at room temperature away from sunlight and moisture. Keep this and all medications out of the reach of children.