You must use birth control to prevent pregnancy during your treatment. You must take a pregnancy test before you begin your treatment and once every month during your treatment. If you become pregnant while taking phentermine and topiramate, stop taking the medication and call your doctor immediately. If you are worried about someone who has taken too much phentermine or mixed alcohol with phentermine then call a first responder or take them to get immediate medical help. The best place for you or someone you care about in the case of a medical emergency is under medical supervision. Be sure to tell the medical team that there is a mix of phentermine and alcohol.

  • If you have high blood pressure that’s well managed with medication, your doctor will likely check your blood pressure more often than usual while you take phentermine.
  • Refrain from drinking alcohol while on Phentermine treatment to avoid unwanted side effects.
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  • There are several ways alcohol can interfere with your weight loss journey.

I can’t place blame on anyone but myself for my struggles, and I’m still looking for balance in every part of my life. I am still not happy with my weight, but I know the answer to that cannot be found inside a medical weight-loss clinic. The problem was, as it always is with addiction of any kind, that after years and years of taking a drug expressly made for short-term use only, it stopped working.

The release of these hormones is what ultimately causes the person to feel less hungry. It reduces their risk of overeating at mealtimes, reduces hunger pangs between meals, and helps them avoid binging on unhealthy foods in the middle of the day. If you drink alcohol, talk with your doctor about how much alcohol, if any, is safe to consume while you’re taking phentermine. If your kidneys don’t work well, phentermine could build up in your body, increasing your risk of side effects. If you have kidney problems, your doctor may prescribe a phentermine dosage that’s lower than usual.

What should I know about storage and disposal of this medication?

Call your doctor right away if you notice a decrease in your ability to exercise, or if you faint, have chest pain, swelling of your feet or lower legs, or trouble with breathing. These may be symptoms of a very serious heart or lung problem. If you have symptoms of PAH while taking phentermine, contact your doctor right away. They’ll order tests to determine whether you have this condition. It’s not known how often this side effect occurred in studies. If you have constipation, it’s usually mild to moderate and easily managed.

Stomach aches and heartburn are also two relatively common side-effects that may develop. For many people, turning to their doctors for assistance with treating their obesity is an ideal solution. Refrain from drinking alcohol while on Phentermine treatment to avoid unwanted side effects. Thankfully, you can reduce your risks by taking a weight loss supplement exactly as prescribed by a medical professional. There is no consistently established understanding of the relationship between moderate drinking and weight loss. However, drinking more than a moderate amount of alcohol has been conclusively proven to contribute to weight gain in individuals across all health backgrounds.


Alcohol and phentermine should not be mixed together due to various reasons. You really need to avoid alcohol for at least 12 hours as the effect of phentermine remains for this long. At North Jersey Recovery Center, we strive to make your addiction treatment experience as comfortable as possible. If someone who is not overweight begins using the drug it could be a sign of abuse. This could be the result of an eating disorder or just trying to get high by taking it in excessive amounts.

phentermine and alcohol

I kept myself within a certain range on purpose because I’d rather be a little fat on speed than thin without access to it. Once my weight dipped below a number considered overweight, then they would no longer be able to prescribe the medication. I was excited to lose 22 pounds and drop into the normal range for my height. Your doctor will probably start you on the interactive association between sodium intake a low dose of phentermine and topiramate and increase your dose after 14 days. After you take this dose for 12 weeks, your doctor will check to see how much weight you have lost. If you have not lost a certain amount of weight, your doctor may tell you to stop taking phentermine and topiramate or may increase your dose and then increase it again after 14 days.

It is still a stimulant drug, and some people will abuse it for its stimulant effects. Even though Adipex is generally considered to be a safe and effective drug to treat obesity among the general population, it’s important to be aware of the side effects. Most of the time, the side effects are mild but there have been reports of more serious effects. Healthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical associations. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

What are the more common side effects of phentermine?

When alcohol is combined with phentermine this primary effect is exaggerated, increasing the strain on the body with unpredictable results. When you consume alcohol within hours of having taken that medicine, it may react and affect the central nervous system of the body. This may cause dizziness, drowsy feeling, depression, loss of concentration, etc.

Researchers say people with overweight or obesity in their 40s and 50s are more likely to face health effects past the age of 65. You should follow a reduced-calorie diet as directed by your doctor while taking this drug. Your weight and waist circumference will be monitored while you’re taking this drug. This will tell you and your doctor if the medication is working to help you lose weight.

phentermine and alcohol

Though rare, a serious side effect called pulmonary arterial hypertension may occur with phentermine. (This condition is sometimes referred to as primary pulmonary hypertension.) Most people who reported this side effect were also taking Fintepla or dexfenfluramine. If you treating bipolar disorder and alcohol abuse have symptoms of heart-related side effects, especially valvular heart disease, during treatment, contact your doctor right away. If you have constipation that doesn’t improve with lifestyle measures such as those suggested above, talk with your doctor or pharmacist.

With dependence, you rely on a drug to function as usual, either physically or mentally. Suddenly stopping phentermine after taking high doses over a long period can cause withdrawal symptoms. The paper describes that one of the most important risks lies in the patient’s cardiovascular health. Phentermine has been shown to cause hypertension, a term used to describe high blood pressure. When blood pressure levels rise too high, it may lead to a number of unpleasant effects on the body, including damage to the blood vessels and arteries. Phentermine is currently considered the most popular option for patients who are looking to turn toward a pharmaceutical solution to assist in the treatment of their weight-related issues.

„Your blood pressure is perfect!” The nurse ripped back the Velcro to pull the blood-pressure cuff from my arm. How easy would it be, I thought, to just take a pill and not be hungry? For an emotional eater like me, it seemed like the perfect solution. I looked up the nearest medical weight-loss clinic and took the first appointment. The year was 2001, and I picked the clinic with the nicest ad in the phone book.

Dosage for obesity

As mentioned earlier, this drug has a potential for abuse. All content created by Alcohol Rehab Help is sourced from current scientific research and fact-checked by an addiction counseling expert. However, the information provided by Alcohol Rehab Help is not a substitute for professional treatment advice. While it is possible to drink alcohol while taking phentermine, caution should be applied if these substances are mixed. This is because alcohol has the potential to cause side effects and other problems when it interacts with phentermine. Drinking beer when taking phentermine may increase the risk of adverse health events.

A relatively large number of pharmaceutical drugs are known to interact with alcohol – and Phentermine is no different. This drug is known to cause a number of potential side-effects and problems when a patient mixes it with the use of alcohol. In addition to hypertension, patients are also at risk of vasculopathy and vasoconstriction when they use Phentermine. These effects seem to become even more serious with long-term use of Phentermine drugs. Prior to the administration of Phentermine to the patient in order to treat her obesity, the patient weighed 176 kg and had a BMI of 62.6.

In addition to suppressing appetite, the drug also works by increasing the Sympathetic activity within the patient’s body. All Phentermine Clinics content is medically reviewed or fact checked to ensure that it is as accurate as possible. Learn more about phentermine and how to get the most does beer really make you fat from your weight loss journey. These two substances have the potential for abuse, and if you take them together, you’re more likely to develop dependence and addiction. Recreational drinking is a widespread activity worldwide and alcohol can cause weight gain if not compensated for.

Your doctor may start you on a lowered dosage or a different dosing schedule. This can help keep levels of this drug from building up too much in your body. Stop taking phentermine and call your doctor right away if you become pregnant while taking this drug. Women of childbearing age should use reliable birth control while taking this drug.