Butalbital And Acetaminophen Combination (Oral Route)

Side Effects

Drug information provided by: Merative, Micromedex®

Along with its needed effects, a medicine may cause some unwanted effects. Although not all of these side effects may occur, if they do occur they may need medical attention.

Check with your doctor immediately if any of the following side effects occur:

Rare

1. Bleeding or crusting sores on lips
2. chest pain
3. fever with or without chills
4. hive-like swellings (large) on eyelids, face, lips, and/or tongue
5. muscle cramps or pain
6. red, thickened, or scaly skin
7. shortness of breath, troubled breathing, tightness in chest, or wheezing
8. skin rash, itching, or hives
9. sores, ulcers, or white spots in mouth (painful)

Symptoms of overdose

1. Anxiety, confusion, excitement, irritability, nervousness, restlessness, or trouble in sleeping (severe, especially with products containing caffeine)
2. convulsions (seizures) (for products containing caffeine)
3. diarrhea, especially if occurring together with increased sweating, loss of appetite, and stomach cramps or pain
4. dizziness, lightheadedness, drowsiness, or weakness, (severe)
5. frequent urination (for products containing caffeine)
6. hallucinations (seeing, hearing, or feeling things that are not there)
7. increased sensitivity to touch or pain (for products containing caffeine)
8. muscle trembling or twitching (for products containing caffeine)
9. nausea or vomiting, sometimes with blood
10. ringing or other sounds in ears (for products containing caffeine)
11. seeing flashes of "zig-zag" lights (for products containing caffeine)
12. shortness of breath or unusually slow or troubled breathing
13. slow, fast, or irregular heartbeat
14. slurred speech
15. staggering
16. swelling, pain, or tenderness in the upper abdomen or stomach area
17. unusual movements of the eyes

Check with your doctor as soon as possible if any of the following side effects occur:

Less common

1. Confusion (mild)
2. mental depression
3. unusual excitement (mild)

Rare

1. Bloody or black, tarry stools
2. bloody urine
3. pinpoint red spots on skin
4. swollen or painful glands
5. unusual bleeding or bruising
6. unusual tiredness or weakness (mild

Some side effects may occur that usually do not need medical attention. These side effects may go away during treatment as your body adjusts to the medicine. Also, your health care professional may be able to tell you about ways to prevent or reduce some of these side effects. Check with your health care professional if any of the following side effects continue or are bothersome or if you have any questions about them:

More common

1. Bloated or "gassy" feeling
2. dizziness or lightheadedness (mild)
3. drowsiness (mild)
4. nausea, vomiting, or stomach pain (occurring without other symptoms of overdose)

Other side effects not listed may also occur in some patients. If you notice any other effects, check with your healthcare professional.

Call your doctor for medical advice about side effects. You may report side effects to the FDA at 1-800-FDA-1088.

• Precautions

Portions of this document last updated: April 01, 2024

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