Phentermine, Side Effects, and Warnings
Phentermine is a weight loss medicine acting as a hunger suppressant of drug classes, amphetamine and phenethylamine. It is available in the market with different brand names. It is a short tem therapy of 6 to 12 weeks used as an adjuvant to a weight management program containing proper diet, exercise and lifestyle modification. It is generally prescribed to patients who are just obese or obese having diseases like hypertension, diabetes, and heart attack. You should buy phentermine only when you have your doctor’s prescription. Even if you buy phentermine online, you should have your doctor’s prescription.
The dose of the medicine is 37.5 mg once daily preferably in the morning. If taken in the evening, it should be taken at least 4 to 6 hours before bedtime, as it is likely to cause insomnia or sleep disturbance.
Side effects may not occur always. Commonly occurring side effects are severe dizziness, urination problems, raised palpitation, lactic acidosis, hypertension, nervousness, irritability, dry mouth, insomnia, unpleasant taste, heartburn or acid reflux, blurred vision, changing libido, confusion, clumsiness, diarrhea, headache, nausea, vomiting, arrhythmia (irregular heartbeat), psychosis, stomach pain, skin rashes or itching, pupil dilation, and fatigue. Less common side effects are convulsions, erectile dysfunction, hallucinations, fever, hostility with urge to attack, lightheadedness, irregular blood pressure, mania followed by depression, overactive reflexes, tremors, shaking or trembling, restlessness, panic, weakness and stomach cramps. Talk with your doctor about the side effects before you buy phentermine. Also talk to him or her before you buy phentermine online.
The medicine should not be taken by the patients who are allergic to it or any other sympathomimetic, such as pseudoephedrine; those who are taking fenfluramine, dexfenfluramine, furazolidone, guanethidine, guanadrel or have taken a monoamine oxidase inhibitor (MAOI), such as phenelzine in the last 14 days, should not take this medicine. Those who have severe hypertension, hyperthyroidism, glaucoma, heart disease or blood vessel disease like narrowing of the blood vessels, also should not take this medicine.
And those who are in an agitated state or have a history of drug abuse also should not take this medicine. Children and young adults of age less than or equal to 16 years should not take this medicine.
Some patient with specific medical conditions like pregnancy, lactation, patients taking herbal medicine or dietary supplement, or having a brain or spinal cord disorder, arteriosclerosis, diabetes, high cholesterol or lipid levels, should discuss with the doctor before taking this medicine.
Drugs that interact with phentermine are fenfluramine, dexfenfluramine, furazolidone, and MOIs, to produce headache, blood pressure, slow heart rate, fever, etc., guanadrel, and guanethidine to decrease their own efficacy, antacids and carbonic anhydrase inhibitors like acetazolamide, methazolamide, and dichlorphenamide, to reduce the excretion of phentermine.
Discuss with your doctor about contraindications before you buy phentermine.