You should follow a reduced-calorie diet as directed by your doctor while taking this drug. Call your doctor if you’re not losing weight, even though you’re exercising, eating a low-calorie diet, and taking this drug. Keep in mind that it may take a few weeks for this drug to work. Phentermine belongs to a class of drugs called anorectics.

phentermine and alcohol

Still, alcohol usage remains high, and many people who are obese enjoys an alcoholic beverage now-and-then. provides accurate and independent information on more than 24,000 prescription drugs, over-the-counter medicines and natural products. This material is provided for educational purposes only and is not intended for medical advice, diagnosis or treatment. Data sources include IBM Watson Micromedex , Cerner Multum™ , ASHP and others.

Phentermine is used with a doctor-approved exercise, behavior change, and reduced-calorie diet program to help you lose weight. It is used by certain overweight people, such as those who are obese or have weight-related medical problems. It may work by decreasing your appetite, increasing the amount of energy used by your body, or by affecting certain parts of the brain. This medication is an appetite suppressant and belongs to a class of drugs called sympathomimetic amines.

Treating Addiction to Prescription Stimulants

Because of its stimulant characteristics, it is sometimes misused by people who have a prescription for it. And it also has a street value and is sold in illicit marketplaces as a drug of abuse. It isn’t known exactly how phentermine works to help you lose weight. It may work by increasing the release of chemicals in your brain that help reduce your appetite. This may help you eat less, which would aid in weight loss. We are a team of fitness, health, supplement experts, and content creators.

Common side effects of phentermine include nausea, stomach pain, diarrhea, and constipation. Furthermore, if you drink alcohol while taking phentermine, your chance of losing weight may be lower. This article uncovered the main Phentermine side effects that the drug can cause both on its own and when combined with alcohol during the treatment.

I am a professional full-time blogger, a digital marketer, and a trainer. I love anything related to the Web and I try to learn new technologies every day. With proper medications and experts, supervision, it can be cured successfully. Alcohol when mixed with phentermine creates some serious side effects. Rather it fuels the side effects created by phentermine. The major ones are gastrointestinal issues and cardiovascular issues.

What Are The Side-Effects Of Phentermine Tablets?

You should know that phentermine and topiramate may slow the increase in height in children 12 years of age and older if used for a long period of time. You can use oral contraceptives to prevent pregnancy during your treatment with phentermine and topiramate. You may experience unusual spotting if you use this type of birth control. You will still be protected from pregnancy if you are spotting, but you can talk to your doctor about other forms of birth control if the spotting is bothersome.

Many doctors even warn against using phentermine, even on its own, because it can have dangerous side effects and risks. If you are using sustained-release capsules, the dose is usually taken once a day before breakfast or at least 10 to 14 hours before bedtime. Doing so can release all of the drug at once, increasing the risk of side effects. The time gap between the consumption of phentermine and alcohol should be hours. Now that you know about all the possible damages and problems created by it, you should follow what’s best for your health. Refrain from drinking alcohol while on Phentermine treatment to avoid unwanted side effects.

What Will Happen If You Mix Phentermine and Alcohol?

You may find that your judgment is affected by alcohol, meaning you succumb to the desire to eat unhealthy foods that will prevent weight loss. Alcohol will reduce your chance eco sober house complaints of losing weight with phentermine. Alcohol is calorie-dense and is, therefore, likely to lead to weight gain. Drinking alcohol can make phentermine less effective.

phentermine and alcohol

Taking these drugs together can cause a hypertensive crisis . As you learned above, you shouldn’t mix phentermine with alcohol eco sober house of any form. So, it might be best to just stop considering taking alcohol at any given time that you’re taking phentermine.

Pregnancy and breastfeeding while taking phentermine

Discuss the risks and benefits, and the length of phentermine treatment, with your doctor. To get the most benefit, take this medication regularly, exactly as prescribed, and for as long as directed by your doctor. To help you remember, take it at the same time each day. Generally speaking, there should be at least hours of gap between alcohol and phentermine. This is done so that both of these don’t combine, which would have caused severe reactions.

Phentermine (Adipex-P) is an amphetamine-like prescription drug known as a monoamine alkaloid derivative. It is a sympathomimetic stimulant, which acts as an effective appetite suppressant. Because it can decrease hunger, it’s known as a weight loss drug or diet pill. It is difficult to predict whether you’ll experience an allergic reaction to Phentermine.

All PhentermineDoctors content is reviewed or fact checked by registered health professionals to ensure that it is as accurate as possible. This may cause them to experience nausea, and they may start to vomit. Stomach aches and heartburn are also two relatively common side-effects that may develop. Alcohol by itself can already cause a person to experience various side-effects – and the substance is addictive on its own. When Phentermine and alcohol are used together, the main concern is that alcohol may cause the side-effects of Phentermine to become more severe than they already are. A relatively large number of pharmaceutical drugs are known to interact with alcohol – and Phentermine is no different.

Phentermine oral capsule is available as the brand-name drug Adipex-P. Generic drugs usually cost less than the brand-name version. In some cases, they may not be available in every strength or form as the brand-name drug. While alcohol isn’t likely to reduce the effects of PhenQ, we advise against taking them together.


Using phentermine with alcohol can increase the risk of cardiovascular side effects such as increased heart rate, chest pain, or blood pressure changes. In addition, you may also be more likely to experience nervous system side effects such as dizziness, drowsiness, depression, and difficulty concentrating. You should avoid or limit the use of alcohol while being treated with phentermine. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

Regularly drinking alcohol is also known to cause acid reflux. This is because alcohol irritates the lining of the stomach and digestive tract. Although phentermine is popular, it commonly causes unwanted and unpleasant side effects even when taken as directed. Learn about the most popular weight loss medications.

There are several reasons why mixing alcohol and phentermine isn’t a good idea. Drinking beer when taking phentermine may increase the risk of adverse health events. However, to maintain weight loss, limit how much you drink, as alcohol can quickly cause weight gain.

Someone on phentermine for weight loss who loses an extreme amount of weight may be abusing the drug. Phentermine doesn’t cause psychological dependence and craving when people use it according to medical instructions. So, although it doesn’t appear to result in psychological or physical dependence, there is still a potential for abuse. It is still a stimulant drug, and some people will abuse it for its stimulant effects. Although phentermine is not the most commonly abused stimulant, it is abused.

In most cases, these side effects should be temporary. But if you have any symptoms that are ongoing or bother you, talk with your doctor or pharmacist. And do not stop taking phentermine unless your doctor recommends it. Kim, K. K., Cho, H. J., Kang, H. C., Youn, B. B., & Lee, K. R. Effects on weight reduction and safety of short-term phentermine administration in Korean obese people.

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