Lithium for Bipolar Disorder: When to Prescribe, Side Effects, and Monitoring

Dr. Tracey Marks discusses the appropriate use of lithium for bipolar disorder, emphasizing its role as the first-recommended treatment specifically for 'classic bipolar disorder.' This condition is characterized by a clean separation between depressive and manic episodes, where individuals return to their baseline between episodes. Lithium is not recommended for bipolar disorder with 'mixed features,' where symptoms of mania and depression occur simultaneously; in such cases, second-generation antipsychotics like quetiapine are preferred. A unique benefit of lithium highlighted is its superior ability to reduce suicidal thinking, a property shared only with ketamine for treatment-resistant unipolar depression, noting that bipolar depression is distinct from unipolar depression.

The podcast details significant side effects associated with long-term lithium use. These include weight gain, tiredness, fuzzy thinking, and more serious issues like thyroid malfunction requiring supplementation, and accelerated decline in kidney function. A specific kidney-related condition, diabetes insipidus, can also occur, leading to frequent urination and excessive thirst, which may resolve or persist in a quarter of cases. Lithium toxicity, resulting from high blood concentrations, poses a severe risk to kidney function and manifests with early signs such as tremor, slurred speech, weakness, diarrhea, and vomiting, necessitating immediate medical attention.

Practical advice for patients on lithium includes regular monitoring of lithium levels, maintaining adequate hydration, and informing all healthcare providers about lithium use to prevent adverse drug interactions. Non-steroidal anti-inflammatory medications (NSAIDs) like Advil or Aleve are specifically mentioned as increasing lithium levels and should be used with caution. The episode also addresses lithium orotate, an over-the-counter version, which Dr. Marks strongly advises against due to the inherent risks of unmonitored lithium intake, despite its lower dose.

In conclusion, while prescription lithium carries significant side effect risks and requires careful monitoring, it remains a tried-and-true treatment for classic bipolar disorder. However, it is not a universal solution, and for those with mixed symptoms or who cannot tolerate lithium, numerous other treatment options are available in consultation with a doctor. The discussion underscores the critical balance between therapeutic benefits and potential adverse effects, highlighting the importance of precise diagnosis, patient education, and ongoing medical supervision in managing bipolar disorder.

yes lithium is the first recommended treatment for bipolar disorder but it's only when you have classic bipolar disorder

classic bipolar disorder is when you have a clean separation between depressive episodes and manic episodes

lithium is not a good choice though when you have a mixture of mania and depression symptoms happening at the same time and we call this bipolar disorder with mixed features

One thing that lithium does that the other medications don't do as well is it reduces suicidal thinking

the depression and bipolar disorder is considered to be a different entity from the depression that you get with unipolar depression

long-term lithium use can accelerate this process [decline in kidney function]

diabetes insipidus can happen even within the first weeks two months of taking lithium

if you're on lithium make sure all of your doctors know so that they can check any drug interactions from the medications that they prescribe

this class of medication [NSAIDs] can increase lithium levels

my opinion about lithium orotate is I think it's a bad idea to take on your own given the side effect risks