Take Phentermine on an empty stomach, once daily, 30-60 minutes before breakfast. The tablet may be broken or cut in half. But do not crush or chew the tablet. Because this medication may cause sleeplessness, you should avoid taking a dose late in the day.

Phentermine Side Effects?

Dry mouth, sleeplessness, irritability, stomach upset or constipation may occur the first few days as your body adjusts to the medication. If these effects persist or become annoying or troubling, inform your doctor.

Phentermine Warnings?

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. This drug is not recommended for use in children. Consult your doctor or pharmacist for further information.

Phentermine 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 or blood pressure such as decongestants or caffeine. Decongestants are commonly found in over-the-counter cough and cold medicine.

Phentermine Missed Dose?

If you miss a dose of Phentermine, do not double the next dose. Instead, skip the missed dose and start again with your usual dosing schedule.

Phentermine Storage?

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

Anything Else I Should Know About Phentermine?

Phentermine, like other appetite suppressants is not a substitute for good eating habits. For maximum results, Phentermine must be used in conjunction with a balanced diet and exercise program. Do not share this medication with others, share our website with them instead, we'll do a Free Online Consultation with them and make sure they are okay to use Phentermine.

How Can I Manage My Weight Once I'm Off This Medication?

More On Weight Loss

NOTE: The above information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist, or other healthcare professional. It should not be construed to indicate that the use of the product is safe, appropriate, or effective for you. Consult your healthcare professional before taking the product.

Other Prescription Drugs