phentermine and Alcohol

{Drug} and Alcohol

  1. Authored by Philippa Gold Edited by Hugh Soames Reviewed by Michael Por, MD
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What happens when you mix phentermine and alcohol


Side effects of mixing alcohol and phentermine can include


  • Dizziness
  • Sluggishness
  • Drowsiness
  • Shortness of breath
  • Itching
  • Hives
  • Palpitations
  • Respiratory Depression
  • Cardiac Arrest
  • Coma
  • Seizures
  • Death


Interestingly, it is impossible to tell what effect phentermine and alcohol will have on an individual due to their own unique genetic make up and tolerance. It is never advisable to mix phentermine and alcohol due to the chances of mild, moderate and severe side effects. If you are having an adverse reaction from mixing phentermine and Alcohol it’s imperative that you head to your local emergency room.


Alcohol and phentermine


Alcohol and phentermine creates a that has different effects depending on the dose: many people feel stimulated and strengthened at low doses of alcohol and phentermine and even mixing a small amount of phentermine and alcohol is not recommended.


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Mixing alcohol and phentermine


The primary effect of alcohol is influenced by an increase in the concentration of the inhibitory neurotransmitter GABA, which is found in the spinal cord and brain stem, and by a reduction in its effect on neuronal transmitters that are excitatory. When alcohol is combined with phentermine this primary effect is exaggerated, increasing the strain on the body with unpredictable results.


Alcohol and phentermine affects dopamine levels in the brain, causing the body both mental and physical distress. Larger amounts of phentermine and alcohol have a greater adverse effect yet leading medic al recommendation is that smaller does can be just as harmful and there is no way of knowing exactly how phentermine and alcohol is going to affect an individual before they take it.


Taking phentermine and alcohol together


People who take alcohol and phentermine together will experience the effects of both substances. Technically, the specific effects and reactions that occur due to frequent use of phentermine and alcohol depend on whether you consume more alcohol in relation to phentermine or more phentermine in relation to alcohol.


The use of significantly more phentermine with alcohol will lead to sedation and lethargy, as well as the synergistic effects resulting from a mixture of the two medications.


People who take both alcohol and phentermine may experience effects such as:


  • reduced motor reflexes from alcohol and phentermine
  • dizziness from alcohol and phentermine
  • nausea and vomiting of the phentermine


Some people may also experience more euphoria, depression, irritability or all three. A combination of alcohol and phentermine leads to significantly more lethargy which can easily tip over into coma, respiratory depression seizures and death.  Be cautious about continuing on with your daily life as a functioning alcoholic as it can disguise some of the more serious health impacts.

Alcohol Vs phentermine


Taking phentermine in sufficient quantities increases the risk of a heart failure. Additionally, people under the influence of phentermine and alcohol may have difficulty forming new memories. With alcohol vs phentermine in an individual’s system they become confused and do not understand their environment. Due to the synergistic properties of phentermine when mixed with alcohol it can lead to confusion, anxiety, depression and other mental disorders. Chronic use of phentermine and alcohol can lead to permanent changes in the brain.  Stopping Alcohol Consumption can cause alcohol withdrawals while stopping phentermine can also cause withdrawals.


phentermine Vs alcohol


Studies investigating the effects of drugs such as phentermine and alcohol have shown that the potential for parasomnia (performing tasks in sleep) is dramatically increased when phentermine and alcohol are combined. Severe and dangerous side effects can occur when medications are mixed in the system, and sleep disorders are a common side effect of taking alcohol and phentermine together.


When a small to medium amount of alcohol is combined with phentermine, sleep disorders such as sleep apnea can occur. According to the latest data from the US Centers for Disease Control and Prevention (CDC) most ER visits and hospitalizations caused by too much alcohol were associated with other substances such as phentermine.


phentermine and alcohol


Phentermine (phenyl-tertiary-butylamine), with several brand names including Ionamin and Sentis, is a medication used together with diet and exercise to treat obesity. It is taken by mouth for up to a few weeks at a time, after which the benefits subside. It is also available as the combination phentermine/topiramate.

Common side effects include a fast heart beat, high blood pressure, trouble sleeping, dizziness, and restlessness. Serious side effects may include abuse, but do not include pulmonary hypertension or valvular heart disease, as the latter were caused by the fenfluramine component of the fen-phen drug combination. Use is not recommended during pregnancy or breastfeeding, or with SSRIs or MAO inhibitors. It works mainly as an appetite suppressant, likely as a result of being a CNS stimulant. Chemically, phentermine is a substituted amphetamine.



How long after taking phentermine can I drink alcohol


To avoid any residual toxicity it is advisable to wait until the phentermine has totally cleared your system before drinking alcohol, even in small quantities.


Overdose on phentermine and alcohol


Overdose on phentermine and alcohol is alarmingly common and can often be fatal. In the case of Overdose on phentermine or if you are worried after mixing phentermine and alcohol call a first responder or proceed to the nearest Emergency Room 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. The combination of alcohol and phentermine increases the likelihood that a person would be transferred to intensive care.


If you take phentermine, and also smoke weed or take MDMA, you can research the effects of phentermine and weed , phentermine and Cocaine as well as phentermine and MDMA here.


To find the effects of other drugs and weed refer to our Weed and Other Drugs Index A to L or our Weed and Other Drugs Index M-Z

Or you could find what you are looking for in our Alcohol and Other Drugs index A to L or Alcohol and Other Drugs index M to Z or our MDMA and Other Drugs Index A to L or MDMA and Other Drugs Index M to Z. or Cocaine and Other Drugs index A to L or Cocaine and Other Drugs index M to Z

To find information on Drug rehab and addiction treatment all over the world

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If you are drinking too much alcohol it may be worth understanding if you are suffering from alcoholism.  If you are please consider reaching out for help.


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