Butalbital and Acetaminophen (Systemic)
Side Effects of This MedicineAlong 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, especially
if several of them occur together:
Rare
Bleeding or crusting sores on lips; chest pain; fever with or without chills; hive-like swellings (large) on eyelids, face, lips, and/or tongue; muscle cramps or pain; red, thickened, or scaly skin; shortness of breath,
troubled breathing, tightness in chest, or wheezing; skin rash, itching, or hives; sores, ulcers, or white
spots in mouth (painful); sore throat
Symptoms of overdose
Anxiety, confusion, excitement, irritability, nervousness, restlessness,
or trouble in sleeping (severe, especially with products containing caffeine); convulsions (seizures) (for products containing
caffeine); diarrhea, especially if occurring together
with increased sweating, loss of appetite, and stomach cramps or pain; dizziness, lightheadedness, drowsiness, or weakness, (severe); frequent urination (for products containing caffeine); hallucinations (seeing, hearing, or feeling things
that are not there); increased sensitivity to touch
or pain (for products containing caffeine); muscle
trembling or twitching (for products containing caffeine); nausea or vomiting, sometimes with blood; ringing
or other sounds in ears (for products containing caffeine); seeing flashes of ``zig-zag'" lights (for products containing caffeine); shortness of breath or unusually slow or troubled breathing; slow, fast, or irregular heartbeat; slurred speech; staggering; swelling, pain, or tenderness in the upper abdomen or stomach area; unusual movements of the eyes
Also, check with your doctor
as soon as possible if any of the following side effects occur:
Other 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. However, check with your doctor if any of the following side effects
continue or are bothersome:
Other side
effects not listed above may also occur in some patients. If you notice any
other effects, check with your doctor.
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