PrescriptionGiant is a FREE prescription savings program that can save you up to 75% on your prescriptions with or without insurance!

Repan (Generic Acetaminophen, Butalbital, and Caffeine)

Actual product appearance may differ slightly.

Click the CARD below to print or take a screenshot on your mobile phone or tablet. There is no need to download another app!

If you would like to personalize your card enter your full name in the member name field below the card at this link and click the Update button.


Why is this medication prescribed?

Acetaminophen, Butalbital, and Caffeine is a combination medication commonly prescribed for the treatment of tension headaches and migraines. Each component of this medication serves a specific purpose:

  • Acetaminophen: It is a pain reliever and fever reducer. It works by reducing the production of certain chemicals in the brain that cause pain and fever.
  • Butalbital: It is a barbiturate that acts as a central nervous system depressant. It helps to relax muscle contractions involved in tension headaches.
  • Caffeine: It is a stimulant that can enhance the effects of pain relievers. In the context of this combination medication, caffeine helps improve the effectiveness of acetaminophen and butalbital in relieving headaches.

The combination of these three ingredients is thought to work synergistically to provide more effective relief from certain types of headaches.

How should this medicine be used?

Acetaminophen, Butalbital, and Caffeine are commonly combined in a medication known as Fioricet or Fiorinal, and they are typically prescribed for the treatment of tension headaches and migraines. It’s important to note that these medications should only be used under the guidance and prescription of a qualified healthcare professional.

Here’s a general overview of how Acetaminophen, Butalbital, and Caffeine are used:

  • Acetaminophen (Tylenol): This is a pain reliever and fever reducer. It works by elevating the body’s pain threshold and reducing fever. It’s important not to exceed the recommended dosage, as excessive use can lead to liver damage.
  • Butalbital: This is a barbiturate that acts as a central nervous system depressant. It helps to relax muscle contractions involved in tension headaches.
  • Caffeine: Caffeine is a stimulant that can enhance the effects of pain relievers. It can also help to constrict blood vessels, which may be beneficial in treating certain types of headaches.

If you have questions about the appropriate use or potential side effects of Acetaminophen, Butalbital, and Caffeine, it’s best to consult your healthcare provider. They can provide personalized advice based on your medical history and condition.

Always take medications exactly as prescribed, and if you experience any unusual or severe side effects, contact your healthcare provider promptly.

Other uses for this medicine

As for other uses, it’s crucial to follow your healthcare provider’s instructions and not to use these medications for conditions they are not prescribed for. Misuse of barbiturates like Butalbital can lead to dependence and addiction. Additionally, excessive use of Acetaminophen can cause severe liver damage.

What special precautions should I follow?

Special Precautions for Acetaminophen, Butalbital, and Caffeine:

  • Liver Function: Given that acetaminophen is a component of this medication, it’s important to monitor liver function regularly, especially with prolonged or high-dose use. Inform your healthcare provider if you have a history of liver disease.
  • Dependency and Withdrawal: Butalbital, a barbiturate in this medication, can lead to dependence. Follow your healthcare provider’s instructions regarding the duration and frequency of use to minimize the risk of withdrawal symptoms.
  • Allergies: Inform your healthcare provider if you are allergic to any of the ingredients in this medication—acetaminophen, butalbital, or caffeine.
  • Interaction with Other Medications: Discuss all medications you are taking, including prescription drugs, over-the-counter medications, and herbal supplements, to avoid potential interactions.
  • Pregnancy and Breastfeeding: Consult your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding. The safety of this medication during pregnancy and lactation should be carefully considered.
  • Avoid Alcohol and Sedatives: Combining this medication with alcohol or other sedative medications can increase the risk of drowsiness and other central nervous system depressant effects.
  • Driving and Operating Machinery: This medication may cause drowsiness or dizziness. Avoid activities that require alertness until you know how the medication affects you.

Always follow your healthcare provider’s instructions and attend regular check-ups to monitor your response to the medication and address any potential concerns. If you experience any unusual or severe side effects, contact your healthcare provider promptly. This information is not exhaustive, and individual health considerations may vary, so it’s crucial to consult with a healthcare professional for personalized advice.

What special dietary instructions should I follow?

There are no specific dietary restrictions associated with Acetaminophen, Butalbital, and Caffeine. However, it’s advisable to take this medication with or without food, as directed by your healthcare provider. Avoid excessive consumption of caffeine-containing products while taking this medication, as it already contains caffeine.

What should I do if I forget a dose?

If you miss a dose, take it as soon as you remember. However, if it’s almost time for your next scheduled dose, skip the missed dose and resume your regular dosing schedule. Do not double up on doses to make up for a missed one.

What side effects can this medication cause?

Acetaminophen, Butalbital, and Caffeine can cause various side effects, and it’s important to be aware of them. Common side effects may include:

  • Drowsiness: Butalbital, being a barbiturate, can cause drowsiness or sedation.
  • Dizziness: Some individuals may experience dizziness or lightheadedness.
  • Nausea and Vomiting: This combination medication may cause stomach upset, leading to nausea and vomiting.
  • Upset Stomach: The acetaminophen component can sometimes cause gastrointestinal discomfort.
  • Insomnia: While butalbital may cause drowsiness in some, it can lead to insomnia in others.
  • Increased Heart Rate: Caffeine is a stimulant and can cause an increase in heart rate.
  • Shakiness or Tremors: Some individuals may experience mild tremors or shakiness.
  • Constipation: Butalbital, as a central nervous system depressant, can slow down bowel function, leading to constipation.
  • Allergic Reactions: Allergic reactions to any of the components (acetaminophen, butalbital, caffeine) are possible and may include rash, itching, swelling, severe dizziness, or difficulty breathing.
  • Liver Damage: Prolonged or excessive use of acetaminophen, especially beyond recommended doses, can lead to liver damage. It’s important not to exceed the prescribed dosage.
  • Dependency and Withdrawal: Butalbital is a barbiturate with potential for dependence. Abruptly stopping the medication may lead to withdrawal symptoms.
  • Serious Side Effects: In rare cases, this medication can cause more serious side effects such as mood changes, mental/mood changes (e.g., agitation, aggression, mood swings, depression), and signs of a serious allergic reaction (e.g., severe dizziness, difficulty breathing, rash, itching, swelling).

If you experience any severe or persistent side effects, contact your healthcare provider promptly. It’s essential to follow the prescribed dosage and report any concerns or adverse reactions to your healthcare professional. Additionally, if you have a history of liver disease, it’s crucial to monitor liver function regularly while using this medication.

What should I know about storage and disposal of this medication?

Storage and Disposal of Acetaminophen, Butalbital, and Caffeine:

  • Storage: Store this medication at room temperature away from light and moisture. Keep it in a secure place out of the reach of children and pets.
  • Disposal: Dispose of the medication properly by following any specific disposal instructions provided by your healthcare provider or local guidelines. Do not flush medications down the toilet or pour them into a drain unless instructed to do so.
  • Unused Medication: If you have unused or expired medication, consult with your pharmacist or healthcare provider on the appropriate disposal method.

In case of emergency/overdose

In case of an emergency or suspected overdose, seek immediate medical attention. Overdose symptoms may include severe drowsiness, confusion, hallucinations, nausea, vomiting, ringing in the ears, blurred vision, rapid heartbeat, liver failure, or coma.

If you or someone else has ingested a potentially toxic amount of this medication, contact your local poison control center at 1-800-222-1222 (in the United States). In other regions, check your local emergency contact information.

What other information should I know?

  • Regular Monitoring: Regularly attend follow-up appointments with your healthcare provider to monitor the effectiveness of the medication and check for any side effects.
  • Avoid Alcohol: It’s advisable to avoid alcoholic beverages while taking this medication, as combining it with alcohol can increase the risk of drowsiness and other adverse effects.
  • Inform Healthcare Providers: Inform all healthcare providers involved in your care, including dentists and specialists, that you are taking Acetaminophen, Butalbital, and Caffeine. This helps them make informed decisions about your treatment.
  • Interactions with Other Medications: Be aware of potential interactions with other medications, and inform your healthcare provider about all the drugs and supplements you are taking.
  • Pregnancy and Breastfeeding: Consult your healthcare provider if you are pregnant, planning to become pregnant, or breastfeeding. The use of this medication during pregnancy and lactation should be discussed with your healthcare provider.
  • Driving and Operating Machinery: Due to the potential for drowsiness or dizziness, avoid activities that require alertness until you know how this medication affects you.

Always follow your healthcare provider’s instructions and guidelines for the safe use and management of Acetaminophen, Butalbital, and Caffeine. If you have any questions or concerns, consult with your healthcare provider or pharmacist.

Copyright © 2023 PrescriptionGiant.com