Phentermine
About Phentermine
Phentermine helps reduce body weight in people who are overweight or obese. Overweight and obesity mean having more body fat than is healthy. Being overweight can cause weight-related problems such as diabetes, heart disease, and high blood pressure.
Phentermine contains Phentermine, which helps release a brain chemical called norepinephrine, which reduces hunger and increases energy use, supporting weight loss when combined with a proper diet and exercise.
The most common side effects of Phentermine are dry mouth, difficulty sleeping (insomnia), increased heart rate, elevated blood pressure, and restlessness. Most of these side effects do not require medical attention. However, talk to your doctor if you experience these side effects persistently.
Before using Phentermine, tell your doctor about any medicines, vitamins, or herbal products you are taking. Do not use Phentermine if you are pregnant or breastfeeding. It should also be avoided if you have glaucoma, thyroid disorders, serious heart problems, uncontrolled high blood pressure, or a history of drug abuse.
Medicinal Benefits
- Phentermine is used to help with weight loss in people who are obese or overweight.
- It is recommended for those who have not achieved enough weight loss through diet and exercise alone.
- It works by reducing appetite, helping you feel full with smaller portions.
- The medicine boosts energy levels, supporting a more active lifestyle.
- Regular use under medical supervision helps manage obesity safely.
- Weight loss with Phentermine can lower the risk of health issues such as high blood pressure, diabetes, and heart disease.
Directions for Use
- Take Phentermine about 1 hour before a meal.
- It is usually taken once a day, preferably in the morning or as directed by your doctor.
- Swallow Phentermine as a whole with a glass of water.
- Do not chew, crush, or break it.
- Avoid taking it late in the day to prevent trouble sleeping.
Storage
Side Effects of Phentermine
- Dry mouth
- Difficulty sleeping (insomnia)
- Increased heart rate
- lncreased blood pressure
- Restlessness
Drug Warnings
- Do not use Phentermine if you are allergic or hypersensitive to any of its components.
- Phentermine should not be taken if you have heart problems, high blood pressure, glaucoma, thyroid issues, or a history of mental illness or drug abuse. Always consult your doctor before use.
- Phentermine should not be given to children below the age of 12 years as the safety and effectiveness have not been established.
- A dose adjustment of insulin or other diabetes medicines in patients with diabetes mellitus may be needed. Therefore, let your doctor know if you are taking insulin or diabetes medicines.
- Avoid intake of Phentermine if you are pregnant or breastfeeding.
- Do not stop taking Phentermine without consulting your doctor to avoid any serious side effects.
- Do not drive or operate machinery unless you are fully alert, as Phentermine may cause drowsiness or dizziness.
- Avoid consuming alcohol along with Phentermine as it could lead to restlessness, anxiety and drowsiness.
- Inform your doctor about all the prescription and non-prescription medications you are taking.
Drug Interactions
Drug-Drug Interactions: Phentermine may have interactions with an antidepressant (fluoxetine, sertraline, paroxetine, clomipramine), medicines for migraine (ergotamine), medicines for thyroid disorders (thyroid hormones), and cough or cold preparations (pseudoephedrine, phenylpropanolamine, or phenylephrine)
Drug-Food Interactions: No interactions found.
Drug-Disease Interaction: Phentermine is not recommended for use in patients with heart problems, high blood pressure, glaucoma, thyroid issues, or a history of mental illness or drug abuse.
Drug-Drug Interactions Checker List:
Safety Advice
Alcohol
unsafeAvoid consumption of alcohol while taking Phentermine as it may increase dizziness and sleepiness.
Pregnancy
unsafePhentermine should be avoided if you are pregnant or planning to become pregnant, as it may harm the baby. Please talk to your doctor if you have any concerns regarding this.
Breast Feeding
unsafePhentermine should not be taken by breastfeeding mothers. Seek medical advice if you have any concerns.
Driving
unsafePhentermine causes drowsiness, sleepiness, and tiredness. Do not drive or operate machinery unless you are alert.
Liver
consult your doctorInform your doctor if you have a history of liver disease. Your doctor will prescribe only if the benefits outweigh the risks.
Kidney
consult your doctorInform your doctor if you have a history of kidney disease. Your doctor will prescribe only if the benefits outweigh the risks.
Children
cautionPhentermine should not be given to children below the age of 12 years as the safety and effectiveness have not been established.
Habit Forming
Diet & Lifestyle Advise
- Eat a healthy, balanced diet rich in fruits, vegetables, and whole grains.
- Avoid fried, sugary, and processed foods.
- Exercise regularly to support weight loss and maintain fitness.
- Manage stress, as it can lead to overeating or unhealthy food choices.
- Drink plenty of water throughout the day to stay hydrated.
- Avoid smoking and limit alcohol intake.
- Get enough sleep to help your body recover and maintain energy levels.
Special Advise
- Phentermine may affect the results of certain blood tests, so tell your doctor if you are taking Phentermine before any test.
- Keep all your doctor’s appointments to help monitor your progress.
Patients Concern
Disease/Condition Glossary
Obesity: Obesity means having too much body fat, usually because the number of calories eaten is more than the calories burned. It happens over time and can affect health, increasing the risk of problems like diabetes, heart disease, and high blood pressure.
FAQs
Phentermine is used for weight management. It is mainly prescribed to help reduce body weight in people who are obese or overweight.
Phentermine works by affecting the hypothalamus in the brain to suppress appetite and reduce food intake. It increases the release of brain chemicals such as norepinephrine and dopamine, which help lower hunger, boost energy, and support weight loss when combined with diet and exercise.
Do not take Phentermine if you are pregnant or planning to become pregnant. Consult your doctor if you are pregnant.
Yes, Phentermine has the potential to cause habit formation if used for a long time or without medical supervision. It should be taken only for the duration prescribed by your doctor.
Take Phentermine once a day or as prescribed by your doctor, preferably in the morning before breakfast or 1 to 2 hours after eating. Taking it early in the day helps avoid difficulty sleeping at night. Consult your doctor if you have any concerns regarding frequency and timing.
Do not stop taking Phentermine suddenly without your doctor’s advice. Stopping it abruptly may cause unwanted effects or a sudden return of increased appetite and weight gain.
Do not take Phentermine for longer durations unless prescribed by the doctor. Talk to your doctor if you do not find symptomatic relief. The doctor may monitor your condition regularly if you are on long-term treatment with Phentermine.
In some cases, you may experience certain common side effects such as dry mouth, difficulty sleeping (insomnia), increased heart rate, elevated blood pressure, and restlessness. Most of these side effects do not require medical attention and will resolve gradually over time. However, you are advised to talk to your doctor if you experience these side effects persistently.
Before using this medication, you should inform your doctor about your medical history, including any ongoing medicines, to avoid potential interactions and minimise side effects.
Take the missed dose as soon as you remember unless it's almost time for your next dose. In this case, skip the missed dose and take your next dose at the regular time. Never take a double dose to make up for a missed one.
Taking more than the recommended dosage does not provide additional benefits and can increase the risk of adverse effects.
Avoid consuming alcohol along with Phentermine as it could lead to restlessness, anxiety and drowsiness.
