Phentermine And Weight Loss

Your Complete Guide To Understanding About Phentermine And Weight Loss

Obesity has increased like wildfire in the past few years. The percentage has risen from 30.5% to 42.4% since 2000. The most disturbing fact is that severe obesity has reached 9.2% of the population in adults.

Are you overweight, or are you suffering from obesity? In any case, you must try to keep your weight under control. It could help you to stand firm against many illnesses. For achieving a reasonable weight, the best option is taking phentermine.

We are presenting here a comprehensive analysis of this drug called phentermine. Read on to learn about everything you should know before you buy phentermine online.

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What Exactly Is Phentermine?

Phentermine is a weight-loss drug that has been approved by the Food and Drug Administration (FDA) to treat obesity. It is generally used as a part of an overall weight loss plan. If used together with a low-calorie diet and light exercises, it exhibits results in less than a few weeks.

It is classified as a Schedule IV controlled substance drug. It belongs to a class of drugs called anorectics. This medication is used to suppress the appetite, so a person eats less than required. Thus, it results in weight loss.

Phentermine is available in the market under two brand names – Adipex P and Lomaira.

How Does Phentermine Works?

You must be wondering how these Adipex diet pills work. So let us first understand the working system behind this drug, which aids in treating obesity.

We all know that the primary reason for the rising weight is eating disorders. It means the habit of eating more and unnecessarily even when our body does not demand any food. This happens because our mind craves tasty food all the time. Phentermine mainly focuses on this principle factor of overweighing.

When you intake Adipex P or Lomaira, the central nervous system signals your body to consume less food. Consequently, your appetite is suppressed, and your hunger is curbed. Since you start feeling full and do not crave food anymore, your body consumes only the nutrition it requires. Thus, this aids in reducing your weight over a while.

Once you start having this medication, your brain increases the formation of neurotransmitters in your body. This hormone is responsible for transmitting impulses from a nerve cell to another nerve, muscle, or organ.

When the amount of this chemical increases in your body, it beats down your desire to eat. Therefore, you end up eating less food, which helps you maintain your weight.

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What Is The Dosage Of Phentermine?

FDA has approved short term usage of phentermine. Though the dosage is generally recommended for up to 12 weeks, your doctor can suggest taking it further, bearing in mind your condition. This drug comes in the form of tablets or capsules.

The typical dosage for an adult is either taking 8 mg orally three times a day or taking 15 to 37.5 mg orally once a day. Take this medicine 1 hour before your breakfast or 1-2 hours after breakfast, if you only have it once a day. Else, you can take it 30 minutes before each meal.

If you are using higher mg capsules, try to take the dose at least 10 to 14 hours before bedtime. This is because it can lead to insomnia, and you will not sleep the whole night.

The actual dosage will depend on your response to this drug and your medical condition. Your doctor may change the treatment period or dosage as required by your body. To get the results in no time, take the medicines regularly as prescribed by your medic.

What Are The Side Effects Of Phentermine?

Though this drug can help you burn out all the unnecessary fat, it also comes with some unwanted effects. The side effects of this medication vary from person to person. Some people may have no or minor impacts, while others may face some severe consequences.

It is always a good idea to consult and discuss its side effects with your doctor before you buy phentermine.

Here is the list of a few common side effects that you may face after having these Adipex diet pills. These impacts are mild and may fade away within a few days.

  • Dry mouth
  • Chest pain
  • Diarrhea
  • Nausea
  • Constipation
  • Unpleasant taste
  • Increased blood pressure
  • Insomnia
  • Headache
  • Dizziness
  • Nervousness
  • Tingling feeling in hands or feet

Apart from these reactions, there are some severe side effects as well. If you feel any of the following effects, make sure to reach your doctor as soon as possible.

  • Shortness of breath
  • Increased heartbeat
  • Fatigue and weakness
  • Hypertension
  • Fainting
  • Restlessness
  • Erectile dysfunction
  • Loss in sexual ability
  • Angina

These consequences are not usual, so if you come across any of them, ensure to consult your doctor.

Do Phentermine Interacts With Other Drugs?

In general terms, interaction means reducing the power of a drug due to other capsules' consumption. You may be going through certain medications that may overpower the effects of phentermine. Therefore, it is crucial to be aware of the drugs that interact with phentermine.

  • Monoamine Oxidase Inhibitors

If you take phentermine with this inhibitor, your blood pressure may rise rapidly. This may have some severe consequences. So avoid consuming Adipex diet pills at least a few days within starting or stopping monoamine oxidase inhibitors. It includes medicines like phenelzine, rasagiline, and tranylcypromine.

  • Insulin And Diabetes Drugs

Your blood sugar level may drop significantly if you take Adipex P along with your insulin and diabetes drugs. Some of these drugs include sitagliptin, exenatide, nateglinide, and saxagliptin.

  • Cymbalta (Duloxetine)

The side effects caused by phentermine will increase drastically if you take it while consuming Duloxetine. You may feel nervousness, tremor, cramps, hallucination, and other serious consequences. Hence, make sure you discuss it with your medic.

There are a few medicines, vitamins, and herbs that do not go well with this drug. So it is necessary on your part to inform your doctor about all the medications that you already take. This will help him to make the changes in your dosage to prevent any side effects or mishaps.

What Is The Best Diet While Taking Phentermine?

When you are on phentermine medication, keeping an eye on your diet is essential. For better results, it is always necessary to consume low-calorie food items rich in protein. This will aid the working mechanism of phentermine, and thus you will witness the reduction in your weight in no time.

Also, some eatables interact with this drug. So ensure avoiding those items in your meal. A healthy diet will lead to your weight loss goal.

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Food To Include In Your Diet

While you consume phentermine, ensure to include the following in your everyday meal.

  • Protein

Losing weight does not mean losing your muscles. It only deals with melting the extra fat accumulated in your body. However, phentermine suppresses your appetite, which means less food. This may also result in reduced intake of muscle-building food items.

To maintain your toned muscles and lose weight, it is necessary to include protein-rich eatables in your diet.

You can have tofu, eggs, green beans, turkey, and chicken. You can also include lean lamb or beef and dairy products like yogurt and cheese in your meals. These items are high in protein.

  • Fruits And Vegetables

Fruits and vegetables keep you full all the time. So while you consume Adipex P, it is necessary to incorporate these items into your diet. They will keep you healthy and fit even if you consume less food than required. 

It would help if you consumed spinach, cabbage, kiwifruit, tomato, melons. Also, have some berries which are low in calories but high in protein. 

  • Fiber

Foods rich in fiber will fill the gap created due to Adipex diet pills with some healthy eatables. They will keep you active and charged throughout the day. Food items like whole grains and brown rice are high in fiber. Baked potatoes, bran cereals, avocados, dried fruits are also rich in fiber.

  • Vitamin C

If you have made mind to order phentermine for weight reduction, start having vitamin C in your diet. Vitamin C is known for its fat-burning properties, so you will get better results if you incorporate it into your meals. You can have pineapple, oranges, lime, grapefruits, and certain other vitamin C rich foods.

Food To Avoid

Some food items will hinder your process of cutting away fat. Therefore, make sure you avoid them.

  • Sugary Food

Always try to avoid food items that contain a considerable amount of sugar. It will increase your weight and increase the risk of heart diseases and diabetes problems.

Ensure you do not consume excess sweetened foods and beverages like milk chocolates, sauces, cookies, iced tea, and more. Inculcate a habit to go through the sugar content of each diet before you buy them.

  • Alcohol

Alcohol can damage your liver. A spoilt liver means low metabolism. Thus, it will hamper your weight loss plan. So ensure to avoid alcohol as far as possible. This will aid you in melting the fat at a faster pace.

  • Caffeine

We all love hot brewing coffee but do you know it can harm your body if you consume it while you intake Adipex diet pills. Hence, avoid including food and beverages that are high in caffeine in your diet. You can start by reducing your coffee intake. Gradually, make sure to stay away from items like pudding, hot cocoa, and other caffeine items.

Apart from all the things mentioned above, the most crucial is to increase the consumption of water. This will keep you hydrated and improve your body's functions even if your overall diet is reduced.

Who Should Not Take Phentermine?

Phentermine is not adequate for everyone. Therefore, first, confirm whether you should include this drug in your weight loss plan or not. Below is a list of few people who should avoid taking Adipex P.

  • Breastfeeding women should avoid this drug as it could pass into breast milk. This may be harmful to the baby.
  • Children under 16 years should not take this medicine. It can hamper their growth process.
  • Pregnant women should defer having this drug as it can pass on the infant. Thus, it will damage the growth of the child.
  • People going through certain medical conditions like heart diseases, diabetes, glaucoma, agitation, and thyroid issues should also avoid this drug.

What Happens In Case Of OverDose And Under Dose Of Phentermine?

It would be best if you always took the phentermine as instructed by your doctor. Do not ever try to reduce or boost the medication without consulting your medic. It may have some severe consequences.

Though at times, you may miss or take extra Adipex diet pills. So please read on to know what effect it will have on your body.

Under Dose

If you missed taking this medicine, do not fret at all. This is not going to have any serious reactions. This can only delay your process of burning fat. However, take the dose as soon as you remember. Though if it’s late in the day, skip that dose but do not take it twice.

Over Dose

Always avoid an overdose of phentermine as it can lead to severe concerns. You may be required to call your doctor as soon as you realize you have overdosed the Adipex P. Here are a few symptoms that exhibit that you have taken this drug more than required.

  • Psychosis
  • Hallucinations
  • Panic Attacks
  • Depression
  • Increased Heartbeat
  • Hyperactivity


Obesity is not just a concern of burning fat, but it is a hazard more than that. It can lead to severe medical conditions. Therefore, it has been noticed that a lot of people suffering from specific medical issues are generally obese.

Therefore, you should undoubtedly go for weight loss plans and include drugs also like Adipex diet pills in that plan. You can buy phentermine over the counter, or you can buy phentermine online.

However, it is only suitable for people who have a BMI of 27 or more. We don't recommend it to anyone who is just planning to fit into their skinny jeans or is trying to shed a few extra pounds.