[QUOTE=Jackmannii]
Here’s a good introduction to interactions between alcohol and prescription drugs, including psychoactive medications.
You’ll find research citations that make it clear that these interactions pose quite real hazards, and that the warnings relate to good patient care rather than solely “a means of avoiding law suits”.
To look up more on specific medications (Paxil is just one commonly prescribed drug for depression and anxiety that is not recommended for use while drinking), I suggest a PubMed search.
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I am aware of these generalities- I am trying to dig deeper.
From the cite you give I can quote and commentate:
*Antidepressants. Alcoholism and depression are frequently associated (14), leading to a high potential for alcohol-antidepressant interactions. Alcohol increases the sedative effect of tricyclic antidepressants such as amitriptyline (Elavil and others), impairing mental skills required for driving (15). Acute alcohol consumption increases the availability of some tricyclics, potentially increasing their sedative effects (16); chronic alcohol consumption appears to increase the availability of some tricyclics and to decrease the availability of others (17,18). The significance of these interactions is unclear. These chronic effects persist in recovering alcoholics (17). *
Increases sedative effect, impairs skills, increases/decreases availability. No evidence that it works against the primary use of the Rx drug. Many other Rx drugs interreact similarly with anti-depressants and doctors can factor this in to their Rx regimen.
*Antipsychotic medications. Drugs such as chlorpromazine (Thorazine) are used to diminish psychotic symptoms such as delusions and hallucinations. Acute alcohol consumption increases the sedative effect of these drugs (20), resulting in impaired coordination and potentially fatal breathing difficulties (7). The combination of chronic alcohol ingestion and antipsychotic drugs may result in liver damage (21). *
Increases sedative effect, impairs coordination, can lead to breathing difficulties or liver damage. Many other Rx drugs interreact similarly with anti-psychotics and doctors can factor this in to their Rx regimen.
*Sedatives and hypnotics (“sleeping pills”). Benzodiazepines such as diazepam (Valium) are generally prescribed to treat anxiety and insomnia. Because of their greater safety margin, they have largely replaced the barbiturates, now used mostly in the emergency treatment of convulsions (2).
Doses of benzodiazepines that are excessively sedating may cause severe drowsiness in the presence of alcohol (35), increasing the risk of household and automotive accidents (15,36). This may be especially true in older people, who demonstrate an increased response to these drugs (5,19). Low doses of flurazepam (Dalmane) interact with low doses of alcohol to impair driving ability, even when alcohol is ingested the morning after taking Dalmane. Since alcoholics often suffer from anxiety and insomnia, and since many of them take morning drinks, this interaction may be dangerous (37).
The benzodiazepine lorazepam (Ativan) is being increasingly used for its antianxiety and sedative effects. The combination of alcohol and lorazepam may result in depressed heart and breathing functions; therefore, lorazepam should not be administered to intoxicated patients (38).
Acute alcohol consumption increases the availability of barbiturates, prolonging their sedative effect. Chronic alcohol consumption decreases barbiturate availability through enzyme activation (2). In addition, acute or chronic alcohol consumption enhances the sedative effect of barbiturates at their site of action in the brain, sometimes leading to coma or fatal respiratory depression (39). *
Drowsiness and increased risk of accidents. Breathing difficulties. Many other Rx drugs interreact similarly with sedatives and hypnotics and doctors can factor this in to their Rx regimen.
I accept the counter reaction and severe respiratory depression in barbiturates- it is this type of inter-reaction I am looking for in the other psychotropic drugs that would give a rational reason for excluding alcohol users from medication and other treatment programs.