Are you also looking for different ways to lose weight? Sometimes your doctor may have prescribed a certain medication to help you in your weight loss journey. Today we are going to talk about one such drug called Phendimetrazine, which helps in controlling your appetite and weight. There are a few things that we need to be very careful about while using this drug. Let us talk about everything simply and clearly.
What really happens with this medicine?
Simply put, Phendimetrazine is an appetite suppressant . It works by sending signals to the brain to reduce the feeling of hunger. But it's not a magic pill that will help you lose weight. It only works when used in conjunction with a reduced calorie diet and regular exercise .
The most important thing is that doctors usually only recommend this medication for short-term use . Therefore, it is important to remember that this is not something that can be used continuously.
Things you need to tell your doctor before taking this medicine
Before prescribing Phendimetrazine to you, it is essential that your doctor is fully aware of your health condition. If you have any of the conditions listed below, be sure to tell your doctor about it.
| Health condition or issue that concerns you | Why should you care? |
|---|---|
| Heart disease, high blood pressure, or a condition where blood pressure in the lungs is high (Primary Pulmonary Hypertension - PPH) | This medication can increase heart rate and blood pressure. |
| Diabetes | This can affect blood sugar levels, so the dosage of diabetes medication may need to be adjusted. |
| Glaucoma condition | This medicine may increase eye pressure. |
| Thyroid disease | This can cause problems if the thyroid gland is overactive. |
| A history of frequent feelings of restlessness, agitation, or drug addiction | Because this is a stimulant, it can aggravate those conditions, and there is a risk of addiction. |
| Kidney disease | Since the drug is eliminated through the kidneys, problems may occur if kidney function is impaired. |
| If you have taken an MAOI medication within the last 14 days | Taking these two medications together can cause a dangerous increase in blood pressure. |
| Being pregnant, trying to get pregnant, or breastfeeding | This medicine is not suitable for use in these cases. |
| Allergies to any other medicine, food or substance | It is important to know if you are allergic to Phendimetrazine or any of its ingredients. |
How exactly do I use this medicine?
To get the most out of your medication, you need to use it as directed.
- Take this medicine with a glass of water .
- It is generally recommended to take this 30-60 minutes before breakfast .
- This is an extended-release capsule. This means that the medicine is released into the body over time. Therefore, swallow the capsule whole. Do not break, chew, or crush it.
- Do not drink more than the doctor has prescribed or more frequently than prescribed.
- It is not a good idea to stop taking this medicine suddenly. Doing so can cause serious side effects. If you need to stop taking the medicine, your doctor will tell you how to gradually reduce the dose.
What if I take too much medicine? (Overdose)
If you think you have accidentally taken too much of this medicine, immediately call the National Poisons Information Centre at the Colombo National Hospital, or go to the Emergency Department (ETU) of the nearest hospital. Do not take this lightly.
This medicine has been prescribed for you only. Never share it with anyone else, not even a friend.
What other medications may interact with the medicine?
Phendimetrazine is a drug that can interact with other medications, so it is very important to tell your doctor about all the medications you are taking.
| Drug type | Description |
|---|---|
| Do not take Phendimetrazine with this medicine. | |
| MAOI-type antidepressants | Blood pressure can rise dangerously. |
| Some cold medicines (containing pseudoephedrine, phenylephrine) | Heart rate and blood pressure can increase dangerously. |
| Other stimulants (weight loss, attention-boosting) | Greatly increases the risk of side effects. |
| Be sure to tell your doctor if you are taking this medication. | |
| Medications for mental illnesses such as depression and anxiety | Medical supervision is necessary as problems may occur. |
| Medications for diabetes and high blood pressure | Phendimetrazine may require a change in the dosage of those medications. |
This list is not complete. Tell your doctor about all the medications you take, including vitamins, herbal products, and traditional medicines.
Things to be careful about when taking medicine
- Difficulty breathing: If you experience difficulty breathing, even when doing normal tasks, tell your doctor immediately.
- Sleep: Do not take this medication within 6 hours of bedtime. It may interfere with sleep. Limit caffeine-containing beverages (coffee, tea, cola).
- Dizziness and drowsiness: You may feel dizzy and drowsy after taking this medicine. So , do not drive or operate machinery until you know how this affects you.
- Alcohol: Drinking alcohol can increase drowsiness and dizziness. Therefore, avoid alcohol completely while taking this medication.
Possible side effects
Like any medication, Phendimetrazine can cause side effects. Some are minor, while others require serious consideration.
| Side effect | Description |
|---|---|
| Serious side effects that require immediate medical attention | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips or tongue. |
| Changes in heart rate | Feeling like your heart is beating fast or irregularly, chest pain or tightness. |
| Mental changes | Severe anxiety, irritability, depression, seeing/hearing things that are not there. |
| Symptoms of Stroke | Vision changes, confusion, difficulty speaking, sudden headache, numbness or weakness in the face, arm or leg. |
| Other severe symptoms | Difficulty breathing, high blood pressure, seizures, tremors. |
| Minor side effects that should be reported to the doctor if they persist | |
| Digestive system problems | Constipation or diarrhea, nausea, stomach upset. |
| Other minor features | Dry mouth, headache, sweating. |
How to keep medicine safe?
Keep this medicine out of the reach of children . Since this medicine can be addictive, keep it in a safe place that can protect it from theft. Dispose of unused medicine by mixing it with something like cat litter or ground coffee grounds, placing it in a tightly sealed bag or can, and discarding it. Do not use expired medicine.
Take-Home Message
- Phendimetrazine is a short-term medication that helps reduce appetite and lose weight. It works best when used in conjunction with diet and exercise.
- Be sure to tell your doctor about any other medical conditions you have (especially heart disease, high blood pressure, diabetes) and all other medications you are taking.
- As the medication may cause drowsiness and dizziness, avoid driving until your body adjusts to it. Do not take the medication within 6 hours of bedtime.
- If you experience severe side effects such as difficulty breathing, chest pain, or severe restlessness, seek medical advice immediately.
- This medicine is for you only. Keep it safe and out of the reach of children. Never share it with anyone else.


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