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Modafinil Disease Interactions

There are 7 disease interactions with modafinil:

Major

Cns Stimulants (Includes Modafinil) ↔ Cardiac Disease

Severe Potential Hazard, Moderate plausibility

Applies to: Heart Disease, Hypertension, Pheochromocytoma, Hyperthyroidism, Peripheral Arterial Disease

The use of CNS stimulants is contraindicated in patients with significant cardiovascular impairment such as uncompensated heart failure, severe coronary disease, severe hypertension (including that associated with hyperthyroidism or pheochromocytoma), cardiac structural abnormalities, serious arrhythmias, etc. Sudden death has been reported in adults and children taking CNS stimulant treatment. Additionally, stroke, myocardial infarction, chest pain, syncope, arrhythmias and other symptoms have been reported in adults under treatment. A careful assessment of the cardiovascular status should be done in patients being considered for treatment. This includes family history, physical exam and further cardiac evaluation (EKG and echocardiogram). Patients who develop symptoms should have a detailed cardiac evaluation and if needed, treatment should be suspended.

References

  1. "Product Information. Dopram (doxapram)." West-Ward Pharmaceutical Corporation, Eatontown, NJ.
Major

Cns Stimulants (Includes Modafinil) ↔ Hypertension

Severe Potential Hazard, Moderate plausibility

Applies to: Hypertension

CNS stimulant medications have shown to increase blood pressure and their use is contraindicated in patients with severe hypertension. Caution should be used when administering to patients with preexisting high blood pressure and other cardiovascular conditions. All patients under treatment should be regularly monitored for changes in blood pressure and heart rate.

References

  1. "Product Information. Dopram (doxapram)." West-Ward Pharmaceutical Corporation, Eatontown, NJ.
Major

Cns Stimulants (Includes Modafinil) ↔ Liver Disease

Severe Potential Hazard, High plausibility

Applies to: Liver Disease

In general, CNS stimulants are extensively metabolized by the liver. Their plasma clearance may be decreased and their half-life prolonged in patients with impaired hepatic function. Therapy with CNS stimulants should be administered cautiously in patients with moderate to severe liver disease, and the dosage should be adjusted accordingly. Additionally, postmarketing reports have shown that atomoxetine can cause severe liver injury. Laboratory testing should be done at the first sign or symptom of liver dysfunction (jaundice, dark urine, upper quadrant tenderness) and treatment should be discontinued in patients with evidence of liver injury.

References

  1. "Product Information. Provigil (modafinil)." Cephalon, Inc, West Chester, PA.
Major

Cns Stimulants (Includes Modafinil) ↔ Seizure Disorders

Severe Potential Hazard, Moderate plausibility

Applies to: Seizures

Due to general central nervous system stimulation, therapy with CNS stimulant drugs may cause seizures. These drugs may lower the convulsive threshold in patients with prior history of seizures or EEG abnormalities, and very rarely in patients with no previous history of seizures. Therapy with CNS stimulants should be used with caution in patients with or predisposed to seizures. If seizures appear, therapy should be discontinued.

References

  1. American Medical Association, Division of Drugs and Toxicology "Drug evaluations annual 1994." Chicago, IL: American Medical Association; (1994):
Moderate

Cns Stimulants (Includes Modafinil) ↔ Psychiatric Disorders

Moderate Potential Hazard, Moderate plausibility

Applies to: Psychosis, Bipolar Disorder, Depression, Mania

The use of CNS stimulants can cause psychotic or maniac symptoms, suicidal ideation, aggression and can exacerbate symptoms of behavior disturbance and thought disorder. Psychiatric symptoms have been reported in patients with and without history of psychiatric disorders, and all patients should be monitored closely, specially during treatment initiation and at times of dose changes. Extreme caution should be exercised when CNS stimulants are given to patients with a history of psychosis, depression, mania, or bipolar disorder. All patients receiving treatment should be screened for bipolar disease prior to initiation. If any psychiatric symptoms emerge or are exacerbated, treatment suspension should be considered. CNS stimulants are contraindicated in patients with marked agitation or anxiety.

References

  1. "Product Information. Provigil (modafinil)." Cephalon, Inc, West Chester, PA.
Moderate

Cns Stimulants (Includes Modafinil) ↔ Renal Dysfunction

Moderate Potential Hazard, Moderate plausibility

Applies to: Renal Dysfunction

Overall CNS stimulants should be administered with caution in patients with significantly impaired renal function as the reduction in the rate of elimination may alter the therapeutic response. The dosage should be adjusted accordingly.

References

  1. "Product Information. Provigil (modafinil)." Cephalon, Inc, West Chester, PA.
Moderate

Modafinil (Includes Modafinil) ↔ Cardiovascular

Moderate Potential Hazard, Low plausibility

Applies to: Cardiovascular Disease, Cerebral Vascular Disorder

In clinical trials, a few patients treated with modafinil developed chest pain, palpitations, dyspnea and transient ischemic T-wave changes in association with mitral valve prolapse or left ventricular hypertrophy. The manufacturer recommends that modafinil not be used in patients with a history of left ventricular hypertrophy or ischemic ECG changes, chest pain, arrhythmia or other clinically significant manifestations of mitral valve prolapse in association with central nervous system (CNS) stimulant use. In addition, caution is advised in patients with cardiovascular disease due to other causes, particularly hypertension and/or a recent history of myocardial infarction or unstable angina, since the use of modafinil has not been evaluated in such patients.

References

  1. "Product Information. Provigil (modafinil)." Cephalon, Inc, West Chester, PA.

modafinil drug Interactions

There are 520 drug interactions with modafinil

modafinil alcohol/food Interactions

There are 3 alcohol/food interactions with modafinil

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.

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 2000-2016 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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