Drug
Butalbital And Acetaminophen Tablets
Important: Reactions below are the flagged terms from this drug’s
FAERS report history (min. 3 co-reports per term) — PRR/ROR indicate
disproportionality in spontaneous reporting, not causation.
Data from FDA FAERS via openFDA. Last recalculated: 2026-09-14.
| Reaction | Co-reports (a) | PRR | ROR | Signal | |
|---|---|---|---|---|---|
| 1 | Helicobacter Infection | 16 | 56.0 | 57.6 | signal |
| 2 | Folliculitis | 16 | 55.3 | 56.8 | signal |
| 3 | Sciatica | 17 | 38.3 | 39.4 | signal |
| 4 | Hand Deformity | 14 | 38.2 | 39.1 | signal |
| 5 | Wound Infection | 11 | 36.1 | 36.8 | signal |
| 6 | Pemphigus | 12 | 34.4 | 35.1 | signal |
| 7 | Synovitis | 15 | 29.7 | 30.4 | signal |
| 8 | Bursitis | 10 | 29.6 | 30.1 | signal |
| 9 | Pericarditis | 13 | 27.8 | 28.4 | signal |
| 10 | Irritable Bowel Syndrome | 16 | 26.7 | 27.4 | signal |
| 11 | Joint Range Of Motion Decreased | 10 | 26.7 | 27.1 | signal |
| 12 | Fibromyalgia | 18 | 26.4 | 27.3 | signal |
| 13 | Autoimmune Disorder | 7 | 26.1 | 26.4 | signal |
| 14 | Foot Deformity | 7 | 22.5 | 22.8 | signal |
| 15 | Glossodynia | 14 | 22.3 | 22.9 | signal |
| 16 | Wound | 16 | 20.5 | 21.1 | signal |
| 17 | Prescribed Overdose | 11 | 20.3 | 20.6 | signal |
| 18 | Infusion Site Pain | 7 | 19.6 | 19.8 | signal |
| 19 | Sleep Disorder Due To A General Medical Condition | 8 | 17.6 | 17.9 | signal |
| 20 | Systemic Lupus Erythematosus | 17 | 17.1 | 17.6 | signal |
| 21 | Lower Limb Fracture | 9 | 16.8 | 17.1 | signal |
| 22 | Hip Arthroplasty | 7 | 16.4 | 16.6 | signal |
| 23 | Impaired Healing | 15 | 16.3 | 16.7 | signal |
| 24 | Type 2 Diabetes Mellitus | 15 | 15.8 | 16.2 | signal |
| 25 | Psoriatic Arthropathy | 17 | 15.1 | 15.5 | signal |
| 26 | Road Traffic Accident | 17 | 14.5 | 14.9 | signal |
| 27 | Disability | 8 | 14.4 | 14.6 | signal |
| 28 | Pregnancy | 8 | 14.1 | 14.3 | signal |
| 29 | Pharyngitis Streptococcal | 4 | 13.2 | 13.3 | signal |
| 30 | Red Blood Cell Sedimentation Rate Increased | 4 | 12.9 | 12.9 | signal |
| 31 | Impaired Quality Of Life | 5 | 12.4 | 12.5 | signal |
| 32 | Neoplasm | 4 | 12.4 | 12.5 | signal |
| 33 | Metastases To Lung | 4 | 12.4 | 12.4 | signal |
| 34 | Therapeutic Product Effect Decreased | 15 | 12.1 | 12.3 | signal |
| 35 | Poisoning | 4 | 11.3 | 11.4 | signal |
| 36 | Coeliac Disease | 3 | 10.9 | 11.0 | signal |
| 37 | Prescribed Underdose | 6 | 10.7 | 10.8 | signal |
| 38 | Muscle Spasticity | 3 | 8.6 | 8.7 | signal |
| 39 | Ankylosing Spondylitis | 3 | 8.2 | 8.2 | signal |
| 40 | Bone Density Decreased | 5 | 5.6 | 5.7 | signal |
| 41 | Completed Suicide | 12 | 5.1 | 5.2 | signal |
| 42 | Injection Site Bruising | 11 | 5.0 | 5.1 | signal |
| 43 | Multiple Sclerosis Relapse | 9 | 4.6 | 4.7 | signal |
| 44 | Injection Site Urticaria | 3 | 4.4 | 4.4 | signal |
| 45 | Device Difficult To Use | 3 | 1.6 | 1.6 | no signal |