Suvorexant and Alcohol/Food Interactions
There is 1 alcohol/food/lifestyle interaction with suvorexant.
Suvorexant Food
Moderate Food Interaction
GENERALLY AVOID: Alcohol may potentiate some of the pharmacologic effects of suvorexant. Use in combination may result in additive central nervous system depression and/or impairment of judgment, thinking, and psychomotor skills. In addition, alcohol may increase the risk of cognitive and complex behavioral changes associated with the use of hypnotics including suvorexant, such as amnesia, anxiety, hallucinations, sleep-driving, and other neuropsychiatric symptoms.
ADJUST DOSE: Grapefruit juice may significantly increase the plasma concentrations of suvorexant. The proposed mechanism is inhibition of CYP450 3A4-mediated first-pass metabolism in the gut wall by certain compounds present in grapefruit.
ADJUST DOSING INTERVAL: Administration with or soon after a meal may delay the gastrointestinal absorption of suvorexant. According to the product labeling, administration of suvorexant with a high-fat meal resulted in no meaningful change in peak plasma concentration (Cmax) or systemic exposure (AUC), but a delay in Tmax of approximately 1.5 hours.
MANAGEMENT: Concomitant use of suvorexant with alcohol should be avoided. Patients should be advised not to use suvorexant if they had alcohol that evening or before bed. Grapefruit juice should preferably be avoided; otherwise, the recommended dose of suvorexant is 5 mg when used with grapefruit juice and should not exceed 10 mg. Suvorexant may be taken with or without food; however, for faster sleep onset, suvorexant should not be administered with or soon after a meal.
References (1)
- (2014) "Product Information. Belsomra (suvorexant)." Merck & Co., Inc
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Suvorexant drug interactions
There are 496 drug interactions with suvorexant.
Suvorexant disease interactions
There are 6 disease interactions with suvorexant which include:
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Drug Interaction Classification
Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
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. | |
No interaction information available. |
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Further information
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