Metermine (Phentermine)
Complete patient guide for uses, dosage, side effects, and safety information
Quick Facts
What Is Metermine Used For?
Metermine is an appetite suppressant that helps reduce body weight in individuals who are obese or overweight. It works by affecting the brain's appetite control center, making you feel less hungry.
Primary Uses
Metermine is primarily used for weight management in obese or overweight patients.
How It Works
Metermine contains phentermine, which is slowly released to provide an all-day effect on appetite suppression.
Good to know: Metermine is not considered addictive.
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How to Take Metermine
Follow your doctor's instructions carefully when taking Metermine. It is important to take it as directed for the best results.
Dosage Instructions
The usual dosage is one capsule taken once daily. Swallow the capsule whole with water; do not chew or open it.
What If You Miss a Dose?
If you forget to take your dose at breakfast, take it by lunchtime. If it's later than lunchtime, skip the missed dose and return to your regular schedule. Do not take a double dose.
Important: Never double the dose to make up for a missed one.
Available Tablet Strengths
Side Effects
Like all medications, this medicine can cause side effects. Most are mild and temporary, but some require medical attention.
Common Side Effects
These side effects occur relatively frequently and usually don’t require emergency care:
- Changes in heartbeat
- High blood pressure
- Restlessness
- Trouble sleeping
- Nervousness
- Tremor
- Headache
- Dizziness
- Fainting
- Nausea
- Vomiting
- Diarrhea or constipation
- Stomach cramps
- Dry mouth or unpleasant taste
- Difficulty urinating
- Skin rashes
- Sexual function problems
- Feelings of extreme happiness followed by depression
- Tiredness
Seek immediate medical attention if you experience:
- Heart attack
- Stroke
- Chest pain
- Myocardial infarction
- Difficulty breathing
Impulse Control Issues
Be aware of potential impulse control issues, including gambling or spending problems.
Important Warnings
There are specific warnings and contraindications associated with Metermine that you should be aware of.
Who Should Not Take Metermine
Do not use Metermine if you are allergic to phentermine or any of its ingredients, have severe heart disease, high blood pressure, glaucoma, or are taking certain antidepressants.
Medical Conditions to Discuss
Discuss any history of heart disease, high blood pressure, diabetes, or epilepsy with your doctor before starting Metermine.
Pregnancy and Breastfeeding
Consult your doctor if you are pregnant, plan to become pregnant, or are breastfeeding.
Elderly Patients With Dementia: Caution is advised for elderly patients, especially those with dementia.
Drug Interactions
Certain medications may interact with Metermine and affect its effectiveness.
Grapefruit interaction: No specific grapefruit interaction mentioned.
- Other weight loss medications
- Antidepressants (MAOIs)
- Medications for mental illness
- Thyroid hormones
- Cough and cold remedies
- Blood pressure medications
Alcohol & Driving
Caution is advised regarding alcohol consumption and operating machinery while taking Metermine.
Alcohol
Avoid drinking alcohol while taking Metermine.
Driving and Operating Machinery
Exercise caution when driving or using machinery until you know how Metermine affects you.
Temperature Regulation
No specific temperature regulation warnings mentioned.
Storage
Store Metermine capsules in their blister pack in a cool, dry place below 30°C, away from moisture and heat. Keep out of reach of children.
Overdose Information
If you suspect an overdose, seek immediate medical attention. Contact the Poisons Information Centre or go to the nearest hospital.
Frequently Asked Questions
Metermine starts to work by suppressing appetite shortly after taking it, but individual responses may vary.
You can take Metermine before or after food; it does not affect its effectiveness.
Metermine is not considered addictive.
Consult your doctor before stopping Metermine to discuss any potential withdrawal effects.
No, you should avoid alcohol while taking Metermine.
Metermine is designed to help with weight loss, not weight gain.
Elderly patients should use Metermine with caution, especially those with dementia.
If you miss a dose, take it by lunchtime; if it's later, skip it and do not double the dose.
Important Disclaimer
This information is intended for general educational purposes only and should not be considered medical advice. Always consult your healthcare provider or pharmacist before starting, stopping, or changing any medication.
If you think you may have a medical emergency, call your doctor or emergency services immediately.