Brenda Khan
Diet pills are a type of weight-loss medication that can be used to help people lose weight and maintain their weight loss journey. While a nutritious diet and regular exercise are ideal ways to lose weight, medication can also be used to promote weight loss. There are several weight-loss medications on the market, and even more in clinical trials. Some common diet pills include Qsymia, Contrave, Orlistat, and Saxenda. These pills work in different ways, such as by decreasing appetite, blocking the absorption of fat, or increasing insulin release. It is important to note that diet pills should be used in conjunction with a healthy eating plan and exercise for the best results and some may interfere with hormonal birth control.
| Characteristics | Values |
|---|---|
| Number of FDA-approved drugs | 6 |
| Examples of FDA-approved drugs | Orlistat (Xenical, Alli), Phentermine-topiramate (Qsymia), Naltrexone-bupropion (Contrave), Liraglutide (Saxenda), Semaglutide (Wegovy), Tirzepatide (Zepbound) |
| Drugs approved for adults and children | Orlistat (Xenical, Alli), Phentermine-topiramate (Qsymia), Naltrexone-bupropion (Contrave), Liraglutide (Saxenda), Semaglutide (Wegovy) |
| Drugs requiring prescription | Xenical, Byetta, Qsymia, Contrave, Zepbound, Mounjaro, Saxenda, Wegovy |
| Drugs with generic versions | Orlistat, Xenical, Alli |
| Drugs with no generic alternatives | Qsymia, Contrave, Saxenda |
| Drugs covered by insurance | Contrave, Qsymia, Saxenda |
| Drugs not covered by insurance | Wegovy |
| Drugs with side effects | Naltrexone-bupropion, Xenical, Byetta, Contrave, Qsymia, Wegovy |
| Drugs with rare but serious side effects | Contrave, Byetta |
| Drugs that interfere with birth control | Exenatide, Byetta, Tirzepatide, Semaglutide |
| Drugs that require pregnancy tests | Qsymia |
| Drugs that require dietary changes | Orlistat, Xenical, Qsymia, Evekeo, Benzphetamine, Methamphetamine, Contrave, Orlistat, Saxenda, Wegovy |
| Drugs that require exercise | Qsymia, Evekeo, Benzphetamine, Methamphetamine, Contrave, Orlistat, Saxenda, Wegovy |
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What You'll Learn
FDA-approved diet pills
There are several diet pills available on the market, and while I cannot provide an exact number, I can tell you about some of the FDA-approved diet pills.
Firstly, there is orlistat (also known as Xenical or Alli), which belongs to a class of medications called lipase inhibitors. Orlistat reduces the amount of fat absorbed in the gut after eating. It is usually taken as a pill three times a day, either with or within an hour of eating a meal that contains fat. It is important to note that orlistat can interfere with the absorption of vitamins A, D, E, and K, so it is recommended to take a multivitamin at least two hours before or after taking orlistat.
Another FDA-approved diet pill is liraglutide, sold under the brand names Saxenda and Victoza. It is approved for use in adolescents and young adults who are overweight or have obesity, even after weight-loss surgery. It is also approved for women with obesity and polycystic ovary syndrome. Liraglutide is typically administered as an injection and works by suppressing appetite.
Contrave is another option, which is a combination of two FDA-approved drugs: naltrexone and bupropion. Naltrexone is typically used to treat alcohol and opioid dependence, while bupropion is an antidepressant used to treat depression and seasonal affective disorder, as well as aiding smoking cessation. Contrave works by signalling the brain to lower appetite. It is taken orally, starting with one pill per day and gradually increasing to two pills twice a day.
Qsymia is a combination of phentermine and the seizure/migraine drug topiramate. Phentermine curbs appetite, while topiramate helps with weight loss by increasing feelings of fullness, making food less appealing, and burning more calories. Qsymia is taken orally, once daily in the morning.
Finally, Zepbound (also known as tirzepatide) is a medication that has been FDA-approved for obesity in adults with a BMI of 30 or greater. It is injected subcutaneously and works by regulating hormones in the brain, digestive system, and adipose tissue to suppress appetite and cravings.
It is important to note that while these medications can aid in weight loss, they should be used in conjunction with a healthy diet and exercise for optimal results. Additionally, it is always recommended to consult with a healthcare professional before starting any new medication.
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Prescription diet pills
Prescription weight loss medications are designed for people who are obese or overweight with weight-related health problems. They are intended to be used in conjunction with a healthy diet and exercise program. There are several prescription diet pills available on the market, and they work in different ways. Some medications may help you feel less hungry or full sooner, while others may make it harder for your body to absorb fat from the foods you eat.
One of the most popular prescription weight loss medications is orlistat (Xenical, Alli). It belongs to a class of medications called lipase inhibitors, which reduce the amount of fat absorbed in the gut after eating. When taking orlistat, no more than 30% of your calories should come from fat, and it is usually taken three times a day. Another prescription diet pill is phentermine-topiramate (Qsymia), which combines phentermine with the seizure/migraine drug topiramate. Phentermine curbs your appetite, while topiramate helps you feel full and makes food less appealing.
Other prescription appetite suppressants include benzphetamine (Didrex, Regimex), diethylpropion (Tenuate, Tenuate Dospan), phendimetrazine (Prelu-2), and naltrexone-bupropion (Contrave). Contrave combines an opioid receptor antagonist with an antidepressant to decrease cravings and appetite. Liraglutide (Saxenda, Victoza) is another FDA-approved medication that is being studied for its effects on weight loss and gastric functions.
More recently, Zepbound (tirzepatide) has been found to be the most effective FDA-approved prescription medication for weight loss. It is a dual GIP and GLP-1 receptor agonist that suppresses appetite, improves satiety, and supports metabolic health. In clinical trials, adults with obesity or overweight who took Zepbound achieved an average weight loss of up to 22.5% in 72 weeks.
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Side effects of diet pills
Diet pills are medications that can help with hunger, cravings, and metabolic preservation. While they can be effective in promoting weight loss, they may also come with side effects that can impact a patient's comfort and adherence to the medication. It is important to note that not all diet pills will have the same side effects, and individual experiences may vary.
One of the most commonly prescribed diet pills is naltrexone-bupropion (Contrave). This medication combines an opioid receptor antagonist with an antidepressant to decrease cravings and appetite. The most common side effects of this medication include nausea, constipation, headache, vomiting, dizziness, insomnia, dry mouth, and diarrhea. It is important to note that this medication should not be prescribed to patients with seizure disorders or those who take opioids for chronic pain.
Another popular diet pill is orlistat (Xenical), which works by blocking the absorption of dietary fats. The most common side effects of orlistat include oily discharge from the rectum, flatulence with discharge, increased defecation, and fecal incontinence. Additionally, this medication can interfere with the absorption of vitamins A, D, E, and K, so it is recommended to take a multivitamin at least two hours before or after taking orlistat.
Other diet pills, such as tirzepatide (Zepbound) and semaglutide (Wegovy), have been associated with gastrointestinal adverse events ranging from nausea to pancreatitis. Serious side effects of tirzepatide may also include stomach problems, kidney problems or failure, gallbladder issues, pancreatitis, or hypoglycemia. Furthermore, the manufacturer of tirzepatide warns that the medication may increase the risk of thyroid tumors or thyroid cancer.
While less common, some diet pills may also cause serious allergic reactions, seizures, liver damage, increased blood pressure or heart rate, and vision problems. It is important for patients to be aware of these potential side effects and to consult with their healthcare provider before starting any weight loss medication. Additionally, patients should prioritize adequate nutrition, even if they are not feeling hungry, to ensure they are consuming enough healthy nutrients to maintain muscle mass and lean body mass.
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Natural diet pills
While a nutritious diet and regular exercise are ideal for losing weight, medication can also help promote weight loss. There are many weight-loss medications on the market, and some are natural diet pills.
It is important to note that while these natural diet pills may assist in weight loss, they should be used with caution as they can have side effects and may interfere with other medications or health conditions. Additionally, they are not regulated by the FDA, so it is essential to consult a healthcare professional before taking any supplements. Combining medication with lifestyle changes, such as a healthy diet and exercise, can enhance weight-loss progress and help individuals achieve their health goals.
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Diet pills and insurance coverage
In general, insurance providers are more likely to cover medications deemed medically necessary for conditions like Type 2 diabetes, where weight loss may be a side effect. For example, medications such as Ozempic (semaglutide), Mounjaro (tirzepatide), and Wegovy are FDA-approved for diabetes treatment and may be covered by insurance for that purpose. However, if these same medications are prescribed off-label specifically for weight loss, insurance coverage becomes less certain.
The type of insurance plan also plays a significant role in determining coverage. Commercial insurers, Medicare, and Medicaid often do not cover weight loss medications, considering weight loss a cosmetic need rather than a medical one. On the other hand, TRICARE, the federal health insurance for U.S. military members and their families, may cover certain weight loss medications like Wegovy and Zepbound if specific prior authorization criteria are met. Additionally, some large companies' health insurance plans have been found to cover GLP-1 agonists, a type of weight loss medication, when prescribed primarily for weight loss.
The high cost of weight loss medications is a significant concern for patients. A month's supply of some drugs can exceed $1,000, making it challenging for individuals to afford them without insurance coverage. While generic versions of some weight loss medications may be more affordable, the newer drugs can carry a hefty price tag. This has led to advocacy efforts urging payers to ensure coverage parity for evidence-based obesity treatments, including FDA-approved medications.
It's worth noting that clinical trials play a crucial role in influencing insurance coverage decisions. For instance, drugs like Ozempic and Wegovy are being studied for additional health benefits beyond weight loss in people with obesity. If successful, these trials could provide the necessary evidence for insurance companies to justify covering these medications.
In conclusion, the coverage of diet pills by insurance plans is variable and depends on factors such as the specific medication, its medical necessity, and the type of insurance plan. While insurance coverage for weight loss medications is not widespread, there are instances where coverage may be provided, especially when weight loss is a side effect of treating other medical conditions.
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Frequently asked questions
There are eight Food and Drug Administration (FDA)-approved weight loss drugs on the market.
Diet pills are a type of weight-loss medication sometimes referred to as appetite suppressants. They work by lessening your appetite or making you feel full faster. There are prescription and over-the-counter (OTC) appetite suppressants. Prescription appetite suppressants can be for long-term or short-term use.
Prescription appetite suppressants include Liraglutide (Saxenda), Semaglutide (Wegovy), Naltrexone-bupropion (Contrave), and Phentermine-topiramate (Qsymia).
Over-the-counter appetite suppressants include Benzphetamine (Didrex, Regimex) and Diethylpropion (Tenuate, Tenuate Dospan).
