How do Weight Loss Medications Work, and What are the Risk Factors?

weight loss medication
Medically reviewed by Dr. Ola Tarabzuni

Overview

Maintaining a healthy weight is crucial for overall health and well-being. Being overweight can increase the risk of having several health issues. These issues include heart disease, diabetes, high blood pressure, and some types of cancer. Certain medical conditions can reduce life expectancy, degrade the quality of life, and even incapacitate.

Weight loss can significantly reduce the risk of these health conditions and improve overall health. Losing weight can also increase mobility and energy levels. It is easier to perform daily tasks and improve your quality of life. In addition, weight loss can boost self-confidence and improve body image, leading to better mental health and social relationships.

In this article, we will be discussing weight loss medications in detail

Weight Loss

Losing weight can be challenging for many people; some may turn to weight loss medications as a solution. However, weight loss should be approached healthily and sustainably. Crash diets and extreme weight loss programs can be harmful to health and result in weight gain in the long term. A healthy weight loss program should include a balanced diet, regular exercise, and healthy lifestyle habits. It is also essential to consult your doctor before starting any weight loss program, mainly if underlying health conditions exist.

In summary, weight loss is essential for both physical and mental health. A healthy weight may reduce the risk of health problems. It increases mobility and energy levels and improves the overall quality of life. A balanced and sustainable weight loss program can be critical in achieving these benefits.

Do Weight Loss Pills Work?

While certain weight loss medications may be successful at helping people lose weight quickly, they may need to be more long-term effective and secure. Weight loss pills or diet pills are a type of supplement that is marketed as a way to help people lose weight. While some weight loss pills may be effective in helping people lose weight, others may not be effective or even harmful to health.

Weight loss pills suppress appetite, increase metabolism, or block fat absorption. These pills may help people lose weight in the short term, but they may not be practical or sustainable long term. Additionally, they may cause side effects such as nausea, vomiting, or diarrhea.

Some diet pills might contain stimulants or other substances that are bad for your health, especially if you take them frequently or in significant doses. Even serious health issues, including heart attacks, strokes, and liver damage, have been connected to some weight loss medications.

It’s important to remember that healthy lifestyle habits like regular exercise and a balanced diet shouldn’t be substituted with weight-loss pills. Adopting these behaviors is the best and most effective way to lose weight and improve general health.

Consult our Doctors before Taking any Weight Loss Medication.

What Drugs are Safe for Weight Loss?

The U.S. Food and Drug Administration (FDA) has licensed several weight-loss medications. These drugs are generally considered safe and effective when used as directed and under the supervision of a physician.

The FDA-approved drugs for weight loss include:

Orlistat

This medication works by blocking fat absorption in the intestine. It is available over-the-counter in a lower dose (Alli) and by prescription in a higher amount (Xenical).

Liraglutide

This glucagon-like peptide-1 (GLP-1) receptor agonist helps regulate appetite and blood sugar levels. It is available by prescription under the brand name Saxenda.

Phentermine

This medication is an appetite suppressant that increases the release of norepinephrine in the brain. It is available by prescription under various brand names, such as Adipex-P and Lomaira.

It’s crucial to remember that these drugs don’t replace healthy lifestyle practices like regular exercise and a well-balanced diet. They are designed to be used with these behaviors to aid in weight loss. Some medications may have adverse side effects. Thus they should only be used under medical supervision.

What Should you Know about Weight-loss Drugs?

Weight-loss drugs are medications that are designed to help people lose weight. While these drugs can be effective for some people, there are several things that you should know before considering weight-loss drugs as a treatment option.

FDA approval

Before taking any weight-loss drug, it’s essential to check if it has been approved by the U.S. Food and Drug Administration (FDA). FDA-approved drugs have been tested for safety and effectiveness and are generally considered safer than unapproved drugs.

Effectiveness

Weight-loss drugs are not a magic solution for weight loss. They should be combined with a healthy diet and regular exercise for maximum effectiveness. The weight loss with these medications varies depending on the individual and the drug used.

Side effects

Weight-loss drugs can cause side effects, which vary depending on the medication. Some common side effects of weight-loss drugs include nausea, diarrhea, constipation, dry mouth, and headache. Serious side effects, such as increased heart rate, high blood pressure, or liver damage, may also occur.

Long-term safety

Many weight-loss drugs have not been studied for long-term protection. Some medications have been linked to severe health problems such as heart attack or stroke, and long-term use of some drugs may lead to dependence or addiction.

Cost

Weight-loss drugs can be expensive and not covered by insurance. The medication cost should be considered when deciding whether to use weight-loss drugs as a treatment option.

Medical history

Weight-loss drugs are not appropriate for everyone. Weight-loss medications may be unsafe for people with specific medical issues, such as heart disease or high blood pressure. It is crucial to see a healthcare provider before beginning any weight-loss medicine.

Consult with our Doctors before Considering Weight-loss Drugs as a Treatment Option.

How do Diet Pills Work?

Diet pills, known as weight loss, work differently depending on their active ingredients. Some diet pills work by reducing appetite, while others work by increasing metabolism, blocking the absorption of fat, or altering the way the body stores and uses fat.

Appetite suppressants

Some diet pills, such as phentermine, contain ingredients that reduce appetite. These pills affect the levels of certain brain chemicals that control hunger and satiety. They can help people feel complete with smaller meals and reduce cravings for unhealthy foods.

Fat blockers

Some diet pills contain ingredients such as Orlistat that block fat absorption in the intestines. This means that some fat in people’s food passes through the body undigested and is eliminated in the stool. This may lead to a reduction in calorie intake and weight loss.

Thermogenics

Some diet pills contain caffeine, green tea extract, or capsaicin that increase metabolism and the number of calories the body burns at rest. This can lead to increased energy expenditure and weight loss.

Carbohydrate blockers

Some diet pills contain ingredients that block the digestion and absorption of carbohydrates in the intestines. These pills work by inhibiting the activity of enzymes that break down carbohydrates, leading to a reduction in calorie intake and weight loss.

It is not always advisable to take weight-loss medications. Some people may not be able to take weight-loss medicines if they have specific medical issues, like heart disease or high blood pressure. Before beginning any weight-loss drug, speaking with a healthcare provider is crucial. Some diet pills can cause side effects such as nausea, vomiting, or diarrhea and may be unsafe for people with certain medical conditions. Diet pills are not a substitute for healthy lifestyle habits and should be part of a comprehensive weight loss plan.

What do Diet Pills do to your Body?

Diet pills, also known as weight loss pills, can affect the body differently depending on their active ingredients. Some diet pills work by reducing appetite, while others work by increasing metabolism, blocking the absorption of fat, or altering the way the body stores and uses fat. Here are some of the potential effects of diet pills on the body:

Appetite suppression

Some diet pills, such as phentermine, contain ingredients that reduce appetite. These pills can help people feel complete with smaller meals and reduce cravings for unhealthy foods. However, this can also lead to a reduced intake of essential nutrients, which can harm health.

Fat blocking

Some diet pills contain ingredients such as Orlistat that block fat absorption in the intestines. This may lead to a reduction in calorie intake and weight loss. However, this can also lead to gastrointestinal side effects such as diarrhea, oily stools, and abdominal pain.

Metabolism boost

Some diet pills contain caffeine, green tea extract, or capsaicin that increase metabolism and the number of calories the body burns at rest. This can lead to increased energy expenditure and weight loss. However, this can also lead to side effects like jitteriness, increased heart rate, and insomnia.

Carbohydrate blocking

Some diet pills contain ingredients that block the digestion and absorption of carbohydrates in the intestines. This may lead to a reduction in calorie intake and weight loss. However, this can also lead to gastrointestinal side effects such as bloating, gas, and diarrhea.

Consult with our Doctors to Develop a Comprehensive Weight Loss Plan that can Work for You.

Comparison Table of Medications

MedicationGeneric NameMechanism of ActionFDA Approved UseDosage FormCommon Side Effects
WegovySemaglutideInjectable medication that regulates blood sugar levels and reduces appetiteLong-term weight managementInjectionNausea, diarrhea, vomiting, constipation
SemaglutideSemaglutideInjectable medication that regulates blood sugar levels and reduces appetiteType 2 diabetes, long-term weight managementInjectionNausea, diarrhea, vomiting, constipation
OrlistatOrlistatBlocks absorption of fat in the intestinesLong-term weight managementCapsuleOily or fatty stool, stomach pain, nausea, diarrhea
OzempicSemaglutideInjectable medication that regulates blood sugar levels and reduces appetiteType 2 diabetesInjectionNausea, diarrhea, vomiting, constipation

It’s important to note that Wegovy and Ozempic both contain the same active ingredient, semaglutide ( a weight loss injection, but are approved for different uses. Additionally, all of these medications can have other side effects, and dosage and usage instructions should be carefully followed under the guidance of a healthcare professional.

How Long can I take Weight-loss Medicines?

The duration of weight-loss medication use varies depending on the medication, individual circumstances, and medical history. In general, weight-loss drugs are intended for short-term use, typically a few weeks to several months, to jump-start weight loss in people who cannot lose weight through diet and exercise alone.

However, some weight-loss medications, such as Orlistat and liraglutide, are approved for long-term use under the guidance of a healthcare professional. Long-term use of these medications may be appropriate for people with obesity or weight-related health conditions, for example, type 2 diabetes or high blood pressure, who cannot achieve adequate weight loss through lifestyle changes alone.

What Drugs are Approved for Weight Loss?

Several drugs have been approved by the U.S. Food and Drug Administration (FDA) for weight loss. Here are some of the commonly prescribed weight loss medications:

Orlistat (brand name Xenical)

The lipase inhibitor orlistat prevents the gut from absorbing dietary fat. Utilization in those with a BMI (body mass index) of 30 or higher, as well as those with weight-related health issues such as high blood pressure or type 2 diabetes and a BMI of 27 or higher, is under practice.

Phentermine (Adipex-P, Lomaira)

Phentermine is an appetite suppressant affecting the central nervous system. Those with a BMI of 30 or higher or a BMI of 27 or higher with weight-related health issues may use it briefly.

Lorcaserin (brand name Belviq)

A serotonin receptor agonist known as lorcaserin decreases hunger and increases feelings of fullness. Those having a BMI of 30 or greater, or a BMI of 27 or higher with weight-related health issues, may utilize it.

Liraglutide (Saxenda)

A GLP-1 receptor agonist, liraglutide, decreases hunger and slows digestion. Those having a BMI of 30 or greater, or a BMI of 27 or higher with weight-related health issues, may utilize it.

Bupropion/naltrexone (brand name Contrave)

The combination drug bupropion/naltrexone affects the brain’s reward center and lessens food cravings. Those having a BMI of 30 or higher, or a BMI of 27 or higher with weight-related health issues, may utilize it.

Contact our Doctors to Ensure the Safety and Efficacy of Medications.

Risk Factors for all the Medications

Weight-loss medications can have potential risks and side effects and may not be suitable for everyone. It’s important to discuss the potential risks and benefits of weight-loss medicines with a healthcare professional before starting treatment. Here are some of the potential risk factors associated with weight-loss drugs:

Orlistat

It can cause gastrointestinal side effects, such as diarrhea, oily stools, and flatulence. It can also interfere with the absorption of fat-soluble vitamins, such as A, D, E, and K, which may require vitamin supplementation.

Phentermine

This medicine can cause side effects such as insomnia, dry mouth, constipation, and increased heart rate and blood pressure. It can also be habit-forming and may cause withdrawal symptoms when discontinued.

Lorcaserin

The adverse effects of lorcaserin include nausea, tiredness, headache, and vertigo. In animal tests, it has also been linked to a higher risk of cancer, which is what caused its voluntary removal from the market in 2020.

Liraglutide

It can cause gastrointestinal side effects, such as nausea, vomiting, and diarrhea. It may also increase the risk of pancreatitis and thyroid cancer.

Bupropion/naltrexone

Bupropion/naltrexone can cause side effects such as nausea, headache, and constipation. It may also increase the risk of suicidal thoughts and behaviors in some people.

How to Ask your Doctor for Weight Loss Pills?

Having an open and honest discussion with your doctor is crucial if you wish to attempt weight loss drugs. Here are some pointers for bringing up diet tablets with your doctor:

Be upfront about your weight loss goals

Tell your doctor why you want to try weight loss pills and your goals.

Discuss your medical history.

It’s essential to discuss any medical conditions you have and any medications or supplements you are currently taking, as these may affect the safety and efficacy of weight loss pills.

Ask about the options.

Your doctor can recommend the best weight loss pills based on your needs and medical history.

Discuss potential risks and side effects.

Your doctor can explain weight loss pills’ risks and side effects and help you determine if they are right for you.

Follow up regularly

Your doctor will want to monitor your progress and any potential side effects while taking weight loss pills, so it’s essential to follow up periodically and report any concerns or changes in your health.

How to Get Weight Loss Pills?

Medical professionals like doctors or nurse practitioners can prescribe weight loss tablets or drugs. It is advised to make an appointment with a doctor to discuss weight reduction objectives and medical background before purchasing weight loss tablets. 

A person’s medical history, present health, and any other medications they may be on will all be under consideration when determining whether weight loss tablets are suitable.  

Consult one of our Doctors to Discuss Weight Loss Medications.

FAQs about Weight Loss Medication Answered by Your Doctors Online Team

How to lose weight fast for teens?

Anybody can find talking about weight reduction difficult, but teenagers may experience particular pressures and social expectations due to their age. 

Teenagers should, however, approach weight loss healthily and sustainably, which puts long-term lifestyle improvements ahead of temporary solutions. 

Making healthy meal selections by concentrating on whole, nutrient-dense foods and avoiding processed snacks and sugary drinks are some weight-loss advice for teenagers. 

Every weight loss plan should also include regular exercise, with a target of at least 60 minutes of physical activity each day. Some examples are walking, running, riding, swimming, or joining a sports team. Getting enough sleep, staying hydrated, and avoiding crash diets or severe calorie restrictions are further essential advice.

What is the best pill to lose belly fat?

No one-size-fits-all pill or medication can specifically target belly fat. But, several drugs might help with overall weight loss, which can reduce belly fat. 

For long-term weight management, Orlistat is a drug that limits fat absorption in the intestines and helps reduce belly fat. 

Additionally, pills like phentermine and liraglutide can help with weight loss, lowering total body fat, including belly fat. 

But it’s crucial to remember that every medicine has the potential for adverse effects. A good diet and regular exercise can help reduce belly fat and enhance general health in addition to prescription drugs.

Your Doctors Online uses high-quality and trustworthy sources to ensure content accuracy and reliability. We rely on peer-reviewed studies, academic research institutions and medical associations to provide up-to-date and evidence-based information to the users.

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