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Phentermine

Drug class – Oral appetite suppressant
Brand Names: Adipex-P, Fastin, Ionamin, Obenix, Obephen, Oby-Cap, Oby-Trim, Panshape M, Phentercot, Phentride, Pro-Fast HS, Pro-Fast SA, Pro-Fast SR, Teramine, Zantryl

Phentermine is an oral prescription drug which is used in the short term treatment of obesity. This FDA-approved diet pill is an "anorectic" or "anorexigenic" drug which works by stimulating the central nervous system, thereby causing the heart rate and blood pressure to rise and in doing so decreasing appetite.

Phentermine also functions as an appetite suppressant which works by stimulating the hypothalamus gland and affecting certain neurotransmitters in the brain to curb appetite and help reduce the feeling of hunger.

How to use
The use of Phentermine diet pill is rather popular because they seem to achieve very fast short term weight reductions. But to lose and maintain weight successfully over the long term, Phentermine should be combined with a healthy lifestyle including physical activity and improved diet.

Phentermine is initially administered to help patients to start losing weight while the patient is undergoing permanent long term changes in their attitude towards food and exercise. After about 6 to 12 weeks of treatment, the patient should be well on their way to a new lifestyle and ready to stop taking Phentermine diet pills while continuing to maintain a healthy weight on their own.

Phentermine is not to be used as a substitute for diet. Moreover, it should only be administered as a prescription medication to assist with the battle of obesity and should not be used for "cosmetic" weight loss. Phentermine is not recommended for use by people who are only mildly overweight unless they have health problems that are made worse by their weight.

Side Effects

The initial adjustment: As your body adjusts to the medication, you may have blurred vision, dizziness, dry mouth, sleeplessness, irritability, stomach upset or constipation during the first few days.

What to avoid: If you feel dizzy or lightheaded after taking Phentermine, avoid driving or engaging in activities requiring concentration and alertness.

Consult a doctor: Consult your doctor if these effects persist or you experience chest pain, nervousness, pounding heart, difficulty in urinating, mood swings, breathing difficulties or swelling.

Drug interaction

• Use Phentermine after judging all possibilities of drug interaction.
• Consult your doctor and inform about all the prescription and nonprescription drugs you use.
• Avoid Phentermine if you are on medication for hypertension, depression (especially MAO inhibitors e.g., furazolidone, linezolid, phenelzine, selegiline, tranylcypromine) or any other weight loss drugs in the last 14 days.
• Avoid "stimulant" drugs such as decongestants or caffeine that may increase your heart rate.

Precautions

• Precautions should be taken to guard against obscure possibilities if you are affected by diseases like high blood pressure, hyperthyroidism, glaucoma, diabetes, psychological problems. 
• Limit the use of alcohol while using Phentermine as alcohol can increase unwanted side effects of dizziness.
• This drug is not recommended for use in children.
• Phentermine is suggested not to be used during pregnancy and by lactating mothers. Though not clinically proved, there is possibility that this diet pill may be excreted into breast milk. Therefore, consult your doctor for you may have to stop nursing or stop using this drug.
• Phentermine can become a possible addiction and need to be used with caution.

Dosage
Oral dosage form (Capsules) - 15 to 37.5 mg once/day before breakfast or 1-2 hours after breakfast.
Oral dosage form (Tablets) - 15 to 37.5 mg once/day before breakfast or 1-2 hours after breakfast. Instead of taking it once a day, your doctor may tell you to take 15 to 37.5 mg in divided doses one-half hour before meals.

• Phentermine diet pills are strictly advised to be used only under medical supervision so as to prevent probable drug interaction and possible side-effects.
• The dosage for the drug varies from person to person depending upon the body metabolism.

Overdose: Seek emergency medical attention immediately. Symptoms of a Phentermine overdose include restlessness, tremor, rapid breathing, confusion, hallucinations, convulsions, unconsciousness panic, aggressiveness, nausea, vomiting, diarrhea, an irregular heartbeat and seizures.

Missed dose: Take the missed dose as soon as you remember. However, if it is too late or almost time for your next dose, skip the missed dose and take only your next regularly scheduled dose. A dose taken too late in the day will cause insomnia. Never take a double dose of this medication.

Storage
Phentermine should be stored at room temperature in a cool and dry place. Keep away from the reach of children.

Important note
The following information is intended to supplement and not substitute for the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be interpreted to indicate that use of the drug is safe, apt, or effectual for you. It is recommended that you consult your healthcare provider before using this drug.