Brenda Khan
Diet pills, also known as appetite suppressants, are a type of weight-loss medication. They work by reducing appetite and cravings, making you feel full faster, or reducing the absorption of calories. Prescription weight-loss drugs are a popular and effective treatment for obesity and related health problems. Some common prescription weight-loss drugs include phentermine-topiramate (Qsymia), liraglutide (Saxenda), naltrexone-bupropion (Contrave), and semaglutide (Wegovy). Over-the-counter (OTC) diet pills may contain stimulants such as ephedra, ephedrine, or caffeine, and can have dangerous side effects. It is important to consult a healthcare professional before taking any weight-loss medication to ensure safe and effective use.
| Characteristics | Values |
|---|---|
| Drug Type | Appetite Suppressants, Weight Loss Drugs, Anti-obesity Medication |
| Drug Delivery | Oral, Injection |
| Drugs | Liraglutide, Naltrexone-bupropion, Orlistat, Semaglutide, Tirzepatide, Phentermine, Benzphetamine, Diethylpropion, Phendimetrazine, Topiramate, Thyroid Hormone, 2,4-Dinitrophenol (DNP), Amphetamines, Lorcaserin, Rimonabant, Setmelanotide |
| Side Effects | Insomnia, Constipation, Dry Mouth, Liver Injury, Seizure, Heart Attack, Stroke, Death |
| Precautions | Check with a healthcare provider, May interact with other medications, May worsen certain health conditions, May need to be combined with a reduced-calorie diet and exercise |
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What You'll Learn
Appetite suppressants
Prescription appetite suppressants can be used for long-term or short-term periods, depending on the drug and its effectiveness for the individual. The U.S. Food and Drug Administration (FDA) has approved several prescription appetite suppressants for long-term use, including:
- Liraglutide (Saxenda®)
- Semaglutide (Wegovy®)
- Naltrexone-bupropion (Contrave®)
- Phentermine-topiramate (Qsymia®)
Other prescription appetite suppressants are approved for short-term use only, typically up to 12 weeks, such as:
- Benzphetamine (Didrex®, Regimex®)
- Diethylpropion (Tenuate®, Tenuate Dospan®)
- Phendimetrazine (Prelu-2®)
- Phentermine (Dipex-P®, Atti-Plex P®, Pro-Fast®)
It is important to note that appetite suppressants do not work in isolation and are most effective when combined with a reduced-calorie eating plan and regular physical activity. Additionally, some over-the-counter (OTC) appetite suppressants may interact with medications or cause health issues. It is always advisable to consult a healthcare provider before taking any appetite suppressants to understand the benefits and risks fully.
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FDA-approved prescription pills
Diet pills, also known as appetite suppressants, are a type of weight-loss medication. They work by making you feel less hungry or making you feel full faster after eating less food. Appetite suppressants can be bought over the counter (OTC) or with a prescription from a healthcare provider.
Prescription appetite suppressants are recommended for people with obesity (a body mass index, or BMI, over 30). They can also be prescribed for individuals with a BMI of 27 who have an additional medical condition such as high blood pressure, type 2 diabetes, or high cholesterol.
The US Food and Drug Administration (FDA) has approved several prescription weight loss drugs. It's important to note that these medications should be combined with a reduced-calorie eating plan and regular physical activity to be most effective. Here is a list of some FDA-approved prescription pills:
- Liraglutide (Saxenda): This medication is administered via subcutaneous injection.
- Semaglutide (Wegovy): This is also an under-the-skin injection.
- Naltrexone-bupropion (Contrave): This is a combination medication that includes an antidepressant and an opioid antagonist. It is taken with a low-calorie diet and appropriate exercise.
- Phentermine-topiramate (Qsymia): This is another combination medication approved for long-term use.
- Orlistat (Xenical, Alli): This medication belongs to a class of drugs called lipase inhibitors, which reduce the amount of fat absorbed in the gut after eating.
- Tirzepatide (Zepbound): This medication is injected subcutaneously and is approved for adults with obesity.
- Setmelanotide (IMCIVREE): This drug is approved for children aged 6 years and older with rare genetic disorders causing obesity.
Some prescription appetite suppressants are approved for short-term use only, typically up to 12 weeks. These include:
- Benzphetamine (Didrex, Regimex)
- Diethylpropion (Tenuate, Tenuate Dospan)
- Phendimetrazine (Prelu-2)
- Phentermine (Dipex-P, Atti-Plex P, Pro-Fast, etc.)
It is important to consult with a healthcare provider before taking any diet pills, as they may interact with medications or cause health problems. Additionally, it is recommended to continue seeing a healthcare provider regularly while taking these medications to monitor their effectiveness and any potential side effects.
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Over-the-counter (OTC) diet pills
Some OTC appetite suppressants or weight-loss supplements contain stimulants such as ephedra, ephedrine, or caffeine. These types of stimulants have been linked to serious side effects, including heart attack, seizure, stroke, and even death.
There are a variety of OTC diet pills available, each with different active ingredients and mechanisms of action. For example, Garcinia Cambogia, derived from the peel of the Garcinia gummi-gutta fruit, is a popular OTC diet pill that suppresses appetite and promotes weight loss. Bitter orange, which contains the compound synephrine, is another OTC option that may reduce appetite and boost metabolism. However, research on bitter orange shows mixed results, and synephrine can cause increased heart rate, elevated blood pressure, and anxiety.
Other OTC diet pills include CLA, which has been shown to have minimal impact on weight loss, and chromium picolinate, which may reduce appetite and encourage weight loss but can cause side effects like loose stools, vertigo, dizziness, headaches, and hives. Glucomannan, a type of soluble fiber, has been studied for its ability to promote short-term weight loss, but results have been inconclusive, and it may cause constipation, diarrhea, nausea, and abdominal discomfort.
It is worth noting that while OTC diet pills are readily available, they may not be as effective as prescription weight-loss medications. For instance, Orlistat (Xenical) is a prescription weight-loss pill that has been shown to be more effective than some OTC options. Additionally, prescription appetite suppressants like tirzepatide (Zepbound) and semaglutide (Wegovy) have been clinically proven to facilitate weight loss, but they require a certain BMI or weight-related health problems for prescription.
In conclusion, while OTC diet pills offer an easily accessible option for weight loss, it is important to exercise caution and consult a healthcare professional before taking them. These pills vary in their effectiveness and can cause side effects, some of which can be serious. Combining OTC diet pills with lifestyle changes, such as a nutritious diet and routine exercise, can improve the chances of achieving desired weight loss goals.
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Weight loss medication side effects
Weight loss medications, also known as appetite suppressants, are drugs that affect how your body and brain experience appetite and hunger. They can make you feel less hungry or make you feel full faster after eating less food. While these medications can aid in weight loss, they are not a "magic bullet". They work best when combined with a reduced-calorie eating plan, regular physical activity, and lifestyle changes.
There are several prescription weight loss medications approved by the U.S. Food and Drug Administration (FDA) for long-term use in adults, including:
- Orlistat (Xenical, Alli)
- Phentermine-topiramate (Qsymia)
- Naltrexone-bupropion (Contrave)
- Liraglutide (Saxenda)
- Semaglutide (Wegovy)
- Tirzepatide (Zepbound)
- Setmelanotide (IMCIVREE) - approved for children aged 6 and older with rare genetic disorders causing obesity
There are also short-term appetite suppressants approved for up to 12 weeks of use, which are controlled substances. These include:
- Benzphetamine (Didrex, Regimex)
- Diethylpropion (Tenuate, Tenuate Dospan)
- Phendimetrazine (Prelu-2)
- Phentermine (Dipex-P, Atti-Plex P, Pro-Fast)
It's important to note that weight loss medications can have side effects, and their safety and effectiveness for long-term use may not be well-studied. Some common side effects of weight loss medications include gastrointestinal issues such as nausea, vomiting, constipation, diarrhea, and heartburn. Other potential side effects include gallbladder disease, an increased risk of fracture, and pancreatitis. Women taking these medications should also be on reliable birth control.
Additionally, some weight loss medications may interact with other drugs, including antidepressants and anti-anxiety medications. They can also worsen certain health conditions such as high blood pressure, mood disorders, and glaucoma. Phentermine, for example, is not suitable for individuals with hyperthyroidism, glaucoma, or heart disease, or those who have had a stroke. Its side effects can include headache, overstimulation, high blood pressure, insomnia, rapid or irregular heart rate, and tremors.
Before taking any weight loss medication, it is crucial to consult with a healthcare provider to discuss potential benefits and risks. Eligibility for these medications is typically based on body mass index (BMI) and the presence of certain comorbidities. It's important to be well-informed about the medication, including its potential side effects, and to continue seeing your healthcare provider regularly while taking it to monitor its effectiveness and any adverse reactions.
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Weight loss medication and surgery
Some common weight loss medications include:
- Orlistat (Xenical, Alli)
- Phentermine-topiramate (Qsymia)
- Naltrexone-bupropion (Contrave)
- Liraglutide (Saxenda)
- Semaglutide (Wegovy)
- Tirzepatide (Zepbound)
- Benzphetamine (Didrex, Regimex)
- Diethylpropion (Tenuate, Tenuate Dospan)
- Phendimetrazine (Prelu-2)
- Phentermine (Dipex-P, Atti-Plex P, Pro-Fast)
Weight loss surgery, also known as bariatric surgery, is a more invasive option that can lead to more significant and long-lasting weight loss compared to medication alone. It is often recommended for individuals with a higher BMI, typically above 40 or between 35-39.9 with obesity-associated comorbidities. Some common weight loss surgeries include:
- Sleeve gastrectomy
- Roux-en-Y gastric bypass
- Gastric bypass
While weight loss surgery can be very effective, it is not without risks and potential complications. It is important to discuss the benefits and risks of both weight loss medication and surgery with a healthcare provider to determine the most appropriate treatment option for your individual needs and circumstances.
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Frequently asked questions
Diet pills, or appetite suppressants, are weight-loss medications that reduce your appetite and make you feel full faster. Some common drugs found in prescription diet pills include:
- Liraglutide (Saxenda)
- Naltrexone-bupropion (Contrave)
- Phentermine-topiramate (Qsymia)
- Orlistat (Xenical)
- Semaglutide (Wegovy)
- Benzphetamine (Didrex, Regimex)
- Diethylpropion (Tenuate, Tenuate Dospan)
- Phendimetrazine (Prelu-2)
Prescription diet pills are regulated by the Food and Drug Administration (FDA) and are typically recommended for individuals with obesity, defined as a body mass index (BMI) of 30 or higher. OTC diet pills can be purchased without a prescription but may have side effects and interactions with other medications. It is important to consult a healthcare provider before taking any OTC diet pills.
Diet pills work by altering the body's weight regulation processes, such as reducing appetite, increasing energy expenditure, redirecting nutrients, or interfering with calorie absorption. They are intended to be used alongside a reduced-calorie diet and regular physical activity for effective weight loss.
Yes, it is important to be aware of potential side effects and risks before taking any diet pills. Some common side effects include abnormal sensations, dizziness, altered taste, insomnia, constipation, and dry mouth. Diet pills may also interact with other medications, such as antidepressants and anti-anxiety drugs. Additionally, they can worsen certain health conditions like high blood pressure, mood disorders, and glaucoma.
Maintaining a healthy weight involves a combination of a balanced diet and regular physical activity. While diet pills can be an option for some individuals, they are not a replacement for a healthy lifestyle. It is always recommended to consult a healthcare professional before taking any weight-loss medication to discuss potential risks and explore alternative treatment options.
