Drug interactions between Adapin and Adipex-P
| Results for the following 2 drugs: |
|---|
| Adapin (doxepin) |
| Adipex-P (phentermine) |
Interactions between your selected drugs
doxepin ↔ phentermine
Applies to:Adapin (doxepin) and Adipex-P (phentermine)
MONITOR: The use of tricyclic antidepressants in combination with amphetamines or sympathomimetic appetite suppressants may produce additive cardiovascular effects, increasing the risk of hypertension, cardiac arrhythmias, tachycardia, and fever. The mechanism involves additive pharmacodynamic effects resulting from increased norepinephrine release by sympathomimetic agents and inhibition of norepinephrine reuptake by tricyclic antidepressants. A pharmacokinetic interaction is also possible between tricyclic antidepressants and amphetamines, since many of these agents are metabolized by CYP450 2D6. Increased plasma levels of one or both drugs may occur during coadministration.
MANAGEMENT: Close monitoring of cardiovascular status is recommended for patients receiving this combination. Patients should be advised to promptly report symptoms such as fever, headache, or fast or irregular heartbeats.
See also...
Drug Interaction Classification
The classifications below are a guideline only. The relevance of a particular drug interaction to a specific patient is difficult to determine using this tool alone given the large number of variables that may apply.
| Major | Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. |
| Moderate | Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. |
| Minor | Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. |
Do not stop taking any medications without consulting your healthcare provider.
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