Phentermine.

Generic Name: Phentermine.

Brand names: Adipex-P, Ionamin, Pro-Fas

Phentermine is a diet pill for weight loss in obesity.  Since clinical trials conducted for phentermine diet pills were for short periods and because of the potential of phentermine abuse, this is an approved weight loss drug for short term use only (three months or less). To lose weight, phentermine is recommended to be taken for not more than 12 weeks.

It was approved by the FDA as early as 1959 and is available  by prescription only. It is an appetite suppressant and belongs to a class of drugs called sympathomimetic amines. It works by suppressing your hunger and/or making you feel full for a longer time.

Indications for Phentermine|When to Use Phentermine.

• It is recommended for obesity with a BMI of more than 30.
• It is also recommended for over weight people with a BMI of 27kg/m2 when there are accompanying obesity health effects such as diabetes, high blood pressure, sleep apnea, etc.
• It is used when the weight loss diet and weight loss exercise regimen alone have failed to give satisfactory results. Its use has to be accompanied by the weight loss diet, weight loss exercise and the behavior change therapy as explained in treatment of obesity.

Mode of Action of Phentermine|How Phentermine Works.

It is not known how Phentermine weight loss pills work to help people lose weight. It is possible that phentermine acts on the nervous system and works by suppressing the appetite and probably by increasing the burning of calories. Its  action is similar to that of amphetamines.

Phentermine Tablets|Phentermine Pills.

Phentermine tablets and pills are available in strengths of  phentermine 30 mg and phentermine 37.5 mg. The active ingredient is phentermine hydrochloride. It should be stored at room temperature in air tight containers.

Phentermine 37.5

Phentermine 37.5 is the most popular dosage in the U.S. It is a phentermine tablet in which the active ingredient is 37.5 mg of phentermine hydrochoride. Phentermine 37.5 corresponds to 30 mg of the base active ingredient phentermine.

Buying Phentermine.

Where to Buy Phentermine. Phentermine can be purchased from any chemist or druggist or pharmacist on prescription only. However, it is also available online. All you have to do is google “buy phenetermine online”.

Dosage of Phentermine.

Phentermine is recommended in a single dose of 30mg to be taken once a day about one hour before breakfast or 2 hours after breakfast. Due to its side effects of causing insomnia, taking the phentermine dose in the evening or night is to be avoided. Phentermine should be taken only for a few weeks at a time.

Phentermine Diet.

When on phentermines, you should eat less calories to lose weight – 1200 to 1500 calories per day will be fine.

Disadvantages of Phentermine.

• Phentermine does not give long term weight loss benefits. Weight gain starts when the drug is stopped. Therefore to control weight after stopping phentermine, the weight loss diet and weight loss exercise regimen have to be continued to control weight. Do not continue phentermine if weight gain starts. Consult your physician and religiously follow the weight loss diet and exercise regime.
• Many physicians do not prefer this drug because of its potential of being abused and used for long term use.
• Very rarely addiction may be seen in long term users. To avoid this, stick to the prescribed dose and for the prescribed time only.

• Withdrawal symptoms of Phentermines. On stopping this drug, withdrawal symptoms may appear such as depression, fatigue, tremors and extreme drowsiness specially when it has been used for a long time. To minimize withdrawal symptoms, phentermine is stopped in tapering doses.

Side effects of Phentermine.

Side effects of phentermine include

• Palpitations,
• Rise in blood pressure,
• Blurring of vision,
• Dizziness,
• Tremors,
• Dryness of mouth,
• Anxiety,
• Restlessness,
• Constipation or diarrhea
• Insomnia.
• Allergic reactions
• Impotencey
• Swelling of feet and the lower legs, breathing difficulty and pain in the chest due to development of pulmonary hypertension which is serious adverse effect of phentermines.

Precautions and Contraindications for Phentermine|When Not Use Phentermine.

Phentermine is contraindicated in

• Hyperthyroidism,
• High blood pressure,
• Atherosclerosis,
• Heart diseases,
• Glaucoma,
• Along with anti depressant drugs. This drug interaction can cause high blood pressure because of increased serotonin blood levels.
• Along with other appetite suppressants and weight loss drugs.
• Previously, phentermine was used with another appetite suppressant, called fenfluramine and this combination used to be called fen-phen. However, fenfluramine was withdrawn from the market because of its serious side effects which caused serious lung (pulmonary hypertension) and heart diseases (heart valve defects).
• Phentermines and Pregnancy. Safety of phentermines in pregnancy is not established. Similarly, it is not yet known whether phentermine is passed in breast milk of feeding mothers. Phentermine is therefore contraindicated in pregnancy and during lactation.
• Due to side effects of causing dizziness and drowsiness, driving should be avoided unless you are sure that you do not have these side effects.
• Avoid alcohol when on phentermines.
• Phentermine is no longer marketed in Europe.

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