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Depression associated with nifedipine-induced calcium channel blockade
F J Hullett1, S G Potkin, A B Levy
1Department of Psychiatry, University of California, Irvine.
The American Journal of Psychiatry
|October 1, 1988
Summary
Calcium channel blocker nifedipine use was linked to significant depression in four patients. Symptoms improved after stopping nifedipine, suggesting a potential causal relationship.
Area of Science:
- Pharmacology
- Psychiatry
- Cardiology
Background:
- Calcium channel blockers are widely prescribed for cardiovascular conditions.
- Nifedipine is a commonly used dihydropyridine calcium channel blocker.
- Depression is a prevalent and serious mental health condition.
Observation:
- Four patients using nifedipine experienced substantial depressive episodes.
- One patient's depression treatment with nortriptyline became ineffective upon nifedipine initiation.
- Depressive symptoms in all four cases resolved after discontinuing nifedipine.
Findings:
- A strong association between nifedipine use and the onset or exacerbation of depression was observed.
- The resolution of depression upon nifedipine cessation suggests a potential drug-induced effect.
- Nifedipine's impact on neurotransmitter systems or central nervous system function may underlie affective changes.
Implications:
- Clinicians should consider nifedipine as a potential contributor to depression in patients.
- Further research is warranted to elucidate the mechanisms linking nifedipine to affective disorders.
- Alternative antihypertensive medications may be considered for patients with a history of depression.