Brenda Khan
Diet pills, also known as weight-loss pills, are medications that can be administered orally or via injection to promote weight loss. They are typically prescribed to individuals with a high body mass index (BMI) to help them lose weight and maintain a healthier weight. Diet pills work in various ways, including by reducing appetite, blocking the absorption of dietary fats, or increasing metabolism. It is important to note that diet pills should be used in conjunction with a healthy diet and regular exercise for optimal results and that they may have side effects.
| Characteristics | Values |
|---|---|
| Definition | A pill, often containing amphetamine, prescribed to promote weight loss by increasing metabolism or suppressing appetite. |
| Types | Prescription and over-the-counter (OTC) |
| Usage | Short-term or long-term |
| Effectiveness | Diet pills are most effective when combined with a reduced-calorie eating plan and regular physical activity. |
| Side effects | Diet pills can have side effects, such as oily discharge from the rectum, flatus with discharge, increased defecation, and fecal incontinence. |
| Precautions | Diet pills should not be taken during pregnancy or when planning a pregnancy. They should be used under the supervision of a healthcare professional due to potential addiction and health risks. |
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What You'll Learn
Appetite suppressants
Diet pills are a type of pill, often containing amphetamine, that are prescribed to promote weight loss by depressing the appetite or increasing metabolism. Appetite suppressants are a type of weight-loss medication (sometimes called diet pills) for people with obesity (BMI over 30). They affect how the body and brain experience appetite and hunger. Appetite suppressants can make you feel less hungry or make you feel full faster after eating less food.
There are prescription and over-the-counter (OTC) appetite suppressants. Prescription appetite suppressants can be for long-term or short-term use. It is important to check with a healthcare provider before using OTC diet pills, as they may interact with medications or cause health problems. The Food and Drug Administration (FDA) has approved prescription appetite suppressants for long-term use, including Liraglutide (Saxenda®), an under-the-skin injection medication, and Semaglutide (Wegovy®), another injection medication. Naltrexone-bupropion (Contrave®) is a pill that has also been approved for long-term use.
Other FDA-approved prescription appetite suppressants are for short-term use only, typically up to 12 weeks. These include Benzphetamine (Didrex®, Regimex®), Diethylpropion (Tenuate®, Tenuate Dospan®), Phendimetrazine (Prelu-2®), and Phentermine (Dipex-P®, Atti-Plex P®, Pro-Fast®). These short-term appetite suppressants are controlled substances with addiction potential and can be dangerous if not used as intended.
Some supplements are sold as appetite suppressants, but they have not been reviewed or approved by the FDA. These include Conjugated Linoleic Acid (CLA), a type of polyunsaturated fatty acid naturally found in foods like dairy and beef, which is sold in concentrated form as a weight loss supplement. Bitter orange supplements are also marketed to promote weight loss by reducing appetite and are available over the counter. Garcinia Cambogia pills, derived from the Garcinia gummi-gutta fruit, are another over-the-counter option that may suppress appetite and promote weight loss.
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Prescription vs. over-the-counter
Diet pills are medications that promote weight loss by either increasing metabolism or suppressing appetite. They are usually prescribed to people with obesity, especially when modified eating plans and increased exercise have not helped with weight loss. Diet pills can be prescribed or purchased over the counter.
Prescription diet pills are appetite suppressants that require a prescription from a healthcare provider. They are typically recommended for people with a body mass index (BMI) of 30 or higher or a BMI greater than 27 with weight-related health issues such as type 2 diabetes, high blood pressure, or high cholesterol. These pills work by blocking or increasing specific hormones, neurotransmitters, or peptides to reduce hunger or make an individual feel full faster. Examples of prescription diet pills include phentermine-topiramate (Qsymia®), benzphetamine (Didrex®, Regimex®), diethylpropion (Tenuate®, Tenuate Dospan®), phendimetrazine (Prelu-2®), and phentermine (Adipex-P, ProFast®, Dipex-P®, Atti-Plex P®, etc.). Some prescription diet pills are approved for long-term use, such as liraglutide (Saxenda®), an injection medication. Others are approved for short-term use and are considered controlled substances due to their potential for addiction and severe side effects.
Over-the-counter (OTC) diet pills are weight-loss medications that can be purchased without a prescription. The only FDA-approved OTC weight-loss pill is Alli (orlistat). However, it is important to consult a healthcare provider before using OTC diet pills as they may interact with medications or cause health problems. Additionally, other OTC products are considered supplements, which are not regulated by the FDA and lack studies to confirm their safety and effectiveness.
While prescription diet pills are typically more effective, they require monitoring by a healthcare professional to adjust dosages or medications based on individual needs and side effects. On the other hand, OTC diet pills may offer more convenience and accessibility for individuals seeking weight-loss options without a prescription.
It is important to note that diet pills should be combined with a healthy eating plan and regular exercise for optimal results. Additionally, individuals should carefully consider the potential side effects and risks associated with any weight-loss medication before use.
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Side effects
Diet pills, also known as appetite suppressants, are pills that are prescribed to promote weight loss by increasing metabolism or depressing appetite. They are meant to lessen your appetite or make you feel full faster.
While diet pills can be effective in promoting weight loss, they may also come with several side effects. The side effects of diet pills can vary depending on the specific medication and the individual's response to it. Here are some common and potential side effects associated with the use of diet pills:
- Gastrointestinal issues: This is a common side effect of weight loss medications, particularly those that target GLP-1 receptors, such as nausea, vomiting, acid reflux, bloating, stomach cramps, diarrhea, and constipation. These symptoms can often be managed by adjusting dietary habits, such as limiting high-fat, greasy, and spicy foods and including high-fiber foods for constipation relief.
- Nutritional deficiencies: It is important to prioritize adequate nutrition even when taking diet pills. Consuming enough protein and calories through small, frequent meals can help prevent nutritional deficiencies and preserve muscle mass.
- Addiction and substance use: Some prescription appetite suppressants are controlled substances and have addiction potential if used outside of their intended, prescribed use. It is important for healthcare providers to be aware of a patient's substance use history or family history of substance use disorder before prescribing these medications.
- Interaction with other medications: Over-the-counter (OTC) appetite suppressants may interact with other medications an individual is taking, leading to potential health risks. It is crucial to consult a healthcare provider before taking OTC diet pills to ensure safe use.
- Serious health complications: In some cases, diet pills may lead to serious health issues, such as stomach problems, kidney failure, gallbladder issues, pancreatitis, or hypoglycemia. It is important for individuals considering weight loss medications to be aware of these potential risks and to consult their healthcare provider to find the most suitable option for their needs.
- Adherence and weight regain: Side effects from weight loss medications can impact an individual's comfort and willingness to continue the treatment. Additionally, stopping certain medications may come with a high risk of weight regain. It is important for patients to be informed about potential side effects and for healthcare providers to offer alternative treatments if needed.
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Weight loss
Diet pills are medications designed to promote weight loss. They can be administered orally or via injection. Some diet pills work by suppressing appetite, while others work by inhibiting the absorption of dietary fats. Diet pills are typically used in conjunction with a healthy eating plan and regular physical activity.
Appetite suppressants are a common type of diet pill. They work by lessening your appetite or making you feel full faster. Prescription appetite suppressants can help with weight loss for people who are obese. They are typically used for the short term, up to 12 weeks, and can have side effects and addiction potential if not used as intended.
Orlistat is another example of a weight loss pill. It is a lipase inhibitor that comes in a capsule. Orlistat blocks the enzyme that breaks down fats in food, preventing the absorption of dietary fats. Patients taking orlistat may lose about 5% of their body weight. However, it is intended to be used with a reduced-calorie diet, and common adverse reactions include increased defecation and fecal incontinence.
Some weight loss medications are designed for long-term use. For example, liraglutide (Saxenda®) is a prescription appetite suppressant administered via subcutaneous injection. Zepbound is another prescription medication approved to treat obesity in adults with a BMI of 30 or greater. It works by reducing appetite and is meant to be used in combination with diet and exercise.
It is important to consult with a healthcare professional before taking any weight loss medication to ensure safe and effective use. Lifestyle changes, such as a healthy diet and regular exercise, are also crucial components of a weight loss journey and should be considered in conjunction with any medication.
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Drug interactions
Diet pills are pills that are taken to promote weight loss by increasing metabolism or suppressing appetite. Prescription appetite suppressants can help with weight loss for people with obesity by reducing appetite or making the patient feel full faster.
It is important to consult a healthcare professional before taking any diet pills, especially if you are already taking prescription or over-the-counter (OTC) medication, vitamins/minerals, herbal products, or other supplements. This is because some diet pills may interact with other medications, including antidepressants and anti-anxiety drugs (anxiolytics). Diet pills can also worsen certain health conditions, such as high blood pressure, mood disorders, and glaucoma.
For example, Phentermine, a prescription appetite suppressant, may interact with certain chemicals in the brain to reduce appetite. It is a controlled substance and can be misused or lead to dependence. It is important to inform your healthcare provider if you are taking any other medications or supplements before taking Phentermine.
Some other prescription appetite suppressants that have been approved by the Food and Drug Administration (FDA) for long-term use include Liraglutide (Saxenda®), Semaglutide (Wegovy®), and Naltrexone-bupropion (Contrave®). These medications are administered through subcutaneous injection.
It is also important to note that some over-the-counter (OTC) appetite suppressants may interact with medications or cause health problems. Some of these OTC appetite suppressants contain stimulants such as ephedra, ephedrine, or caffeine, which have been linked to reports of heart attacks, seizures, strokes, and even death. Therefore, it is crucial to consult a healthcare professional before taking any OTC diet pills to ensure they are safe for you.
In addition to drug interactions, some foods and drinks can also interact with medications. For example, grapefruit and grapefruit juice can interfere with some prescription and non-prescription drugs. Alcohol can also increase the risk of certain side effects, such as dizziness, when taken with Phentermine. It is generally recommended to limit alcohol consumption while taking prescription medications.
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Frequently asked questions
Diet pills are medications prescribed to promote weight loss. They can be administered orally or through subcutaneous injections.
There are prescription and over-the-counter (OTC) diet pills. Prescription diet pills can be for long-term or short-term use. Examples of prescription appetite suppressants include Phentermine-topiramate (Qsymia®) and Liraglutide (Saxenda®).
Diet pills work by suppressing appetite, increasing metabolism, or blocking the absorption of dietary fats. They are most effective when combined with a healthy diet and regular exercise.
Diet pills are typically prescribed to individuals who are overweight or obese (BMI ≥ 25) and are struggling to lose weight through diet and exercise alone. It is important to consult with a healthcare professional before taking any weight management medications to assess individual needs and risks.
