Precautions
Certain individuals should avoid using Phentermine. Please read through this section to see if you have any precautions or contraindications. If you have any qustions, discuss with your provider.
Before starting Phentermine, inform your healthcare provider of any allergies or sensitivities, especially to sympathomimetic amines or related substances. Disclose your medical history, including any conditions such as diabetes, hypertension, glaucoma, substance use disorders, heart conditions, mental health issues, or thyroid disorders.
Use caution when engaging in activities requiring alertness or clear vision, as Phentermine may induce dizziness or blurred vision, particularly when combined with alcohol or cannabis. If you have diabetes, monitor your blood sugar levels closely, as dosage adjustments may be necessary.
Before starting a Phentermine weight loss program, it's important to know if it's a good fit for you. While Phentermine can help with weight management, it's not suitable for everyone. Key considerations include your overall health, current medications, allergies, and whether you are pregnant, nursing, or planning to be. If you have allergies or conditions like diabetes, high blood pressure, or eye problems, it's crucial to consult your doctor first. They can provide guidance to ensure Phentermine is safe and appropriate for your individual needs.
Below, you'll find more details on contraindications, cautions, and other important considerations to help you make an informed decision about using Phentermine.
Interactions
Phentermine may interact with various medications, altering their efficacy or increasing the risk of adverse effects. Inform your doctor of all prescribed and over-the-counter medications, including herbal supplements. Avoid concurrent use of other appetite suppressants or MAO inhibitors, as serious interactions may occur.
Exercise caution when using medications causing drowsiness, as Phentermine may exacerbate this effect. Consult your pharmacist regarding the safe usage of products containing caffeine or ingredients affecting heart rate or blood pressure.
Before Using
Drug information provided by: Merative, Micromedex®
In deciding to use a medicine, the risks of taking the medicine must be weighed against the good it will do. This is a decision you and your doctor will make. For this medicine, the following should be considered:
Allergies
Tell your doctor if you have ever had any unusual or allergic reaction to this medicine or any other medicines. Also tell your health care professional if you have any other types of allergies, such as to foods, dyes, preservatives, or animals. For non-prescription products, read the label or package ingredients carefully.
Pediatric
Use of phentermine is not recommended in children. Safety and efficacy have not been established.
Geriatric
Appropriate studies performed to date have not demonstrated geriatric-specific problems that would limit the usefulness of phentermine in the elderly. However, elderly patients are more likely to have age-related liver, kidney, or heart problems, which may require caution and an adjustment in the dose for patients receiving phentermine.
Breastfeeding
Studies in women breastfeeding have demonstrated harmful infant effects. An alternative to this medication should be prescribed or you should stop breastfeeding while using this medicine.
Drug Interactions
Although certain medicines should not be used together at all, in other cases two different medicines may be used together even if an interaction might occur. In these cases, your doctor may want to change the dose, or other precautions may be necessary. When you are taking this medicine, it is especially important that your healthcare professional know if you are taking any of the medicines listed below. The following interactions have been selected on the basis of their potential significance and are not necessarily all-inclusive.
[List of interactions here]
Other Interactions
Certain medicines should not be used at or around the time of eating food or eating certain types of food since interactions may occur. Using alcohol or tobacco with certain medicines may also cause interactions to occur. Discuss with your healthcare professional the use of your medicine with food, alcohol, or tobacco.
- Precautions Hover
Other Medical Problems
The presence of other medical problems may affect the use of this medicine. Make sure you tell your doctor if you have any other medical problems, especially:
- Show Medical Problems
- Agitated state (very nervous or anxious) or
- Arrhythmias (abnormal heart rhythms), history of or
- Arteriosclerosis (hardening of the arteries), serious or
- Congestive heart failure, history of or
- Drug use disorder, history of or
- Glaucoma or
- Heart or blood vessel disease (eg, coronary artery disease), history of or
- Heart rhythm problems (eg, arrhythmias), history of or
- Hypertension (high blood pressure) uncontrolled, history of or
- Hyperthyroidism (overactive thyroid) or
- Stroke, history of—Should not be used in patients with these conditions.
- Allergy to tartrazine—Suprenza™ contains tartrazine. Patients with this condition may have an allergic reaction.
- Diabetes or
- Heart valve disease or
- Hypertension (high blood pressure) or
- Pulmonary hypertension (elevated pressure in the lungs)—Use with caution. May make these conditions worse.
- Kidney disease—Use with caution. The effects may be increased because of slower removal of the medicine from the body.
