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Tolvaptan Disease Interactions

There are 3 disease interactions with tolvaptan:

Major

Tolvaptan (Includes Tolvaptan) ↔ Renal Impairment

Severe Potential Hazard, Moderate plausibility

Applies to: Renal Dysfunction

There are no clinical trials of tolvaptan in patients with CrCl < 10 mL/min, and because drug effects on serum sodium levels are likely lost at very low levels of renal function, use in these patients is not recommended. Additionally, no benefit can be expected in anuric patients, so the use of tolvaptan is contraindicated in these patients.

Moderate

Tolvaptan (Includes Tolvaptan) ↔ Liver Impairment

Moderate Potential Hazard, Moderate plausibility

Applies to: Liver Disease

Tolvaptan can cause serious and potentially fatal liver injury. Patients with symptoms that indicate liver injury such as fatigue, anorexia, right upper abdominal pain, dark urine or jaundice should discontinue treatment right away. Therapy duration should be limited to 30 days. The use of tolvaptan should be avoided in patients with underlying liver disease, including cirrhosis, because the ability to recover from liver injury may be impaired.

Moderate

Vasopressin Antagonists (Includes Tolvaptan) ↔ Liver Disease/Alcoholism

Moderate Potential Hazard, Moderate plausibility

Applies to: Liver Disease, Alcoholism

Osmotic demyelination syndrome is a risk associated with overly rapid correction of hyponatremia (> 12 mEq/L/24 hours). This syndrome can result in dysarthria, mutism, dysphagia, lethargy, affective changes, spastic quadriparesis, seizure, coma or death. Patients with advanced liver disease, alcoholism or severe malnutrition are at increased risk and require slower rates of correction. Serum sodium concentration and neurological status should be monitored appropriately during treatment administration. Vasopressin antagonists should be initiated and re- initiated in patients only in hospital settings were sodium levels can be monitored closely.

tolvaptan drug Interactions

There are 286 drug interactions with tolvaptan

tolvaptan alcohol/food Interactions

There is 1 alcohol/food interaction with tolvaptan

Drug Interaction Classification

The classifications below are a general guideline only. It is difficult to determine the relevance of a particular drug interaction to any individual given the large number of variables.
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.
Unknown No information available.

Do not stop taking any medications without consulting your healthcare provider.

Disclaimer: Every effort has been made to ensure that the information provided by Multum is accurate, up-to-date and complete, but no guarantee is made to that effect. In addition, the drug information contained herein may be time sensitive and should not be utilized as a reference resource beyond the date hereof. This material does not endorse drugs, diagnose patients, or recommend therapy. Multum's information is a reference resource designed as supplement to, and not a substitute for, the expertise, skill, knowledge, and judgement of healthcare practitioners in patient care. The absence of a warning for a given drug or combination thereof in no way should be construed to indicate that the drug or combination is safe, effective, or appropriate for any given patient. Multum Information Services, Inc. does not assume any responsibility for any aspect of healthcare administered with the aid of information Multum provides. Copyright 2000-2017 Multum Information Services, Inc. The information contained herein is not intended to cover all possible uses, directions, precautions, warnings, drug interactions, allergic reactions, or adverse effects. If you have questions about the drugs you are taking, check with your doctor, nurse, or pharmacist.

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