Serotonin-norepinephrine reuptake inhibitors (SNRIs) and SSRIs, including Sertraline Hydrochloride Tablets, can precipitate serotonin syndrome, a potentially life-threatening condition. The risk is increased with concomitant use of other serotonergic drugs (including triptans, tricyclic antidepressants, fentanyl, lithium, tramadol, tryptophan, buspirone, amphetamines, and St. John’s Wort) and with drugs that impair metabolism of serotonin, i.e., MAOIs [See Contraindications (4), Drug Interactions (7.1)] . Serotonin syndrome can also occur when these drugs are used alone.
Serotonin syndrome signs and symptoms may include mental status changes (e.g., agitation, hallucinations, delirium, and coma), autonomic instability (e.g., tachycardia, labile blood pressure, dizziness, diaphoresis, flushing, hyperthermia), neuromuscular symptoms (e.g., tremor, rigidity, myoclonus, hyperreflexia, incoordination), seizures, and gastrointestinal symptoms (e.g., nausea, vomiting, diarrhea).
The concomitant use of Sertraline Hydrochloride Tablets with MAOIs is contraindicated. In addition, do not initiate Sertraline Hydrochloride Tablets in a patient being treated with MAOIs such as linezolid or intravenous methylene blue. No reports involved the administration of methylene blue by other routes (such as oral tablets or local tissue injection). If it is necessary to initiate treatment with an MAOI such as linezolid or intravenous methylene blue in a patient taking Sertraline Hydrochloride Tablets, discontinue Sertraline Hydrochloride Tablets before initiating treatment with the MAOI [See Contraindications (4), Drug Interactions (7.1)] .
Monitor all patients taking Sertraline Hydrochloride Tablets for the emergence of serotonin syndrome. Discontinue treatment with Sertraline Hydrochloride Tablets and any concomitant serotonergic agents immediately if the above symptoms occur, and initiate supportive symptomatic treatment. If concomitant use of Sertraline Hydrochloride Tablets with other serotonergic drugs is clinically warranted, inform patients of the increased risk for serotonin syndrome and monitor for symptoms.
Drugs that interfere with serotonin reuptake inhibition, including Sertraline Hydrochloride Tablets, increase the risk of bleeding events. Concomitant use of aspirin, nonsteroidal anti-inflammatory drugs (NSAIDs), other antiplatelet drugs, warfarin, and other anticoagulants may add to this risk. Case reports and epidemiological studies (case-control and cohort design) have demonstrated an association between use of drugs that interfere with serotonin reuptake and the occurrence of gastrointestinal bleeding. Bleeding events related to drugs that interfere with serotonin reuptake have ranged from ecchymosis, hematoma, epistaxis, and petechiae to life-threatening hemorrhages.
Inform patients of the increased risk of bleeding associated with the concomitant use of Sertraline Hydrochloride Tablets and antiplatelet agents or anticoagulants. For patients taking warfarin, carefully monitor the international normalized ratio.
In patients with bipolar disorder, treating a depressive episode with Sertraline Hydrochloride Tablets or another antidepressant may precipitate a mixed/manic episode. In controlled clinical trials, patients with bipolar disorder were generally excluded; however, symptoms of mania or hypomania were reported in 0.4% of patients treated with Sertraline Hydrochloride Tablets. Prior to initiating treatment with Sertraline Hydrochloride Tablets, screen patients for any personal or family history of bipolar disorder, mania, or hypomania.
Adverse reactions after discontinuation of serotonergic antidepressants, particularly after abrupt discontinuation, include: nausea, sweating, dysphoric mood, irritability, agitation, dizziness, sensory disturbances (e.g., paresthesia, such as electric shock sensations), tremor, anxiety, confusion, headache, lethargy, emotional lability, insomnia, hypomania, tinnitus, and seizures. A gradual reduction in dosage rather than abrupt cessation is recommended whenever possible [See Dosage and Administration (2.6)] .
Sertraline Hydrochloride Tablets have not been systematically evaluated in patients with seizure disorders. Patients with a history of seizures were excluded from clinical studies. Sertraline Hydrochloride Tablets should be prescribed with caution in patients with a seizure disorder.
The pupillary dilation that occurs following use of many antidepressant drugs including Sertraline Hydrochloride Tablets may trigger an angle closure attack in a patient with anatomically narrow angles who does not have a patent iridectomy. Avoid use of antidepressants, including Sertraline Hydrochloride Tablets, in patients with untreated anatomically narrow angles.
Hyponatremia may occur as a result of treatment with SNRIs and SSRIs, including Sertraline Hydrochloride Tablets. Cases with serum sodium lower than 110 mmol/L have been reported. Signs and symptoms of hyponatremia include headache, difficulty concentrating, memory impairment, confusion, weakness, and unsteadiness, which may lead to falls. Signs and symptoms associated with more severe or acute cases have included hallucination, syncope, seizure, coma, respiratory arrest, and death. In many cases, this hyponatremia appears to be the result of the syndrome of inappropriate antidiuretic hormone secretion (SIADH).
In patients with symptomatic hyponatremia, discontinue Sertraline Hydrochloride Tablets and institute appropriate medical intervention. Elderly patients, patients taking diuretics, and those who are volume-depleted may be at greater risk of developing hyponatremia with SSRIs and SNRIs [See Use in Specific Populations (8.5)] .
False-positive urine immunoassay screening tests for benzodiazepines have been reported in patients taking Sertraline Hydrochloride Tablets. This finding is due to lack of specificity of the screening tests. False-positive test results may be expected for several days following discontinuation of Sertraline Hydrochloride Tablets. Confirmatory tests, such as gas chromatography/mass spectrometry, will help distinguish Sertraline Hydrochloride Tablets from benzodiazepines [See Drug Interactions (7.3)] .
During post-marketing use of sertraline, cases of QTc prolongation and Torsade de Pointes (TdP) have been reported. Most reports were confounded by other risk factors. In a randomized, double-blind, placebo- and positive-controlled three-period crossover thorough QTc study in 54 healthy adult subjects, there was a positive relationship between the length of the rate-adjusted QTc interval and serum sertraline concentration. Therefore, Sertraline Hydrochloride Tablets should be used with caution in patients with risk factors for QTc prolongation [See Drug Interactions (7.1), Clinical Pharmacology (12.2)] .
The following adverse reactions are described in more detail in other sections of the prescribing information:
- Hypersensitivity reactions to sertraline [See Contraindications (4)]
- QTc prolongation and ventricular arrhythmias when taken with pimozide [See Contraindications (4), Clinical Pharmacology (12.2)]
- Suicidal thoughts and behaviors [See Warnings and Precautions (5.1)]
- Serotonin syndrome [See Contraindications (4), Warnings and Precautions (5.2), Drug Interactions (7.1)]
- Increased risk of bleeding [See Warnings and Precautions (5.3)]
- Activation of mania/hypomania [See Warnings and Precautions (5.4)]
- Discontinuation syndrome [See Warnings and Precautions (5.5)]
- Seizures [See Warnings and Precautions (5.6)]
- Angle-closure glaucoma [See Warnings and Precautions (5.7)]
- Hyponatremia [See Warnings and Precautions (5.8)]
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