Skip to main content

Drug Interactions between erlotinib and Propoxyphene Compound 65

This report displays the potential drug interactions for the following 2 drugs:

Edit list (add/remove drugs)

Interactions between your drugs

Moderate

aspirin erlotinib

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene) and erlotinib

Using erlotinib together with aspirin may increase the risk of gastrointestinal perforation, a potentially fatal condition and medical emergency where a hole forms all the way through the stomach or intestine. Talk to your doctor if you have any questions or concerns. Your doctor may be able to prescribe alternatives that do not interact, or you may need a dose adjustment or more frequent monitoring to safely use both medications. You should seek immediate medical attention if you experience severe abdominal pain, fever, chills, nausea, and/or vomiting during treatment with these medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Switch to professional interaction data

Minor

aspirin caffeine

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene) and Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene)

Information for this minor interaction is available on the professional version.

Drug and food interactions

Major

propoxyphene food

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene)

Do not use alcohol or medications that contain alcohol while you are receiving treatment with propoxyphene. This may increase nervous system side effects such as drowsiness, dizziness, lightheadedness, difficulty concentrating, and impairment in thinking and judgment. In severe cases, low blood pressure, respiratory distress, fainting, coma, or even death may occur. Do not use more than the recommended dose of propoxyphene, and avoid activities requiring mental alertness such as driving or operating hazardous machinery until you know how the medication affects you. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medication without first talking to your doctor.

Switch to professional interaction data

Moderate

erlotinib food

Applies to: erlotinib

Erlotinib should be taken on an empty stomach at least 1 hour before or 2 hours after a meal and at the same time each day unless otherwise directed by your doctor. You should also avoid grapefruit and grapefruit juice while taking erlotinib. Food and grapefruit juice can increase the absorption of erlotinib from the gastrointestinal tract, which may lead to higher blood levels of the medication and possibly increased side effects. If you are a smoker, you should try to quit as soon as you can. Cigarette smoking can reduce the blood levels of erlotinib, which may make the medication less effective in treating your cancer. It is best to avoid smoking during erlotinib therapy. Talk to a healthcare professional if you have any questions or concerns. If you start smoking or undergo smoking cessation, your doctor may need to adjust your dose of erlotinib. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Switch to professional interaction data

Moderate

aspirin food

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene)

Ask your doctor before using aspirin together with ethanol. Do not drink alcohol while taking aspirin. Alcohol can increase your risk of stomach bleeding caused by aspirin. Call your doctor at once if you have symptoms of bleeding in your stomach or intestines. This includes black, bloody, or tarry stools, or coughing up blood or vomit that looks like coffee grounds. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.

Switch to professional interaction data

Minor

caffeine food

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene)

Information for this minor interaction is available on the professional version.

Minor

aspirin food

Applies to: Propoxyphene Compound 65 (aspirin / caffeine / propoxyphene)

Information for this minor interaction is available on the professional version.

Therapeutic duplication warnings

No warnings were found for your selected drugs.

Therapeutic duplication warnings are only returned when drugs within the same group exceed the recommended therapeutic duplication maximum.


Report options

Loading...
QR code containing a link to this page

Drug Interaction Classification

These classifications are only a guideline. The relevance of a particular drug interaction to a specific individual is difficult to determine. Always consult your healthcare provider before starting or stopping any medication.
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 interaction information available.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.