Sudden, involuntary tightening of a muscle, often called cramps. Full definition in the glossary →
194 drugs meet the threshold; showing the 100 most-reported.
| Drug | Reports of this event | % of drug's total reports |
|---|---|---|
| Vitamin D | 9,315 | 2.5% |
| Ecotrin | 8,086 | 1.6% |
| Bayer Low Dose | 7,982 | 1.6% |
| Bayer | 7,964 | 1.6% |
| Aspirin | 7,963 | 1.6% |
| Bayer Genuine Aspirin | 7,963 | 1.6% |
| Bayer Aspirin Regimen Chewable Low Dose Aspirin Orange | 7,957 | 1.6% |
| Bayer Aspirin Regimen Enteric Coated | 7,957 | 1.6% |
| Bufferin Regular Strength Pain Relief | 7,957 | 1.6% |
| Ecotrin Regular Strength | 7,957 | 1.6% |
| Tri-buffered Aspirin | 7,957 | 1.6% |
| Revlimid | 7,651 | 1.8% |
| Neurontin | 6,507 | 1.8% |
| Forteo | 5,738 | 5.1% |
| Lipitor | 5,655 | 2.3% |
| Synthroid | 5,570 | 2.0% |
| Prinivil | 5,220 | 1.7% |
| Zestril | 5,220 | 1.7% |
| Gralise | 5,192 | 1.8% |
| Gabapentin | 5,140 | 1.8% |
| Gabarone | 5,140 | 1.8% |
| Crestor | 5,074 | 2.6% |
| Lisinopril | 5,059 | 1.7% |
| Qbrelis | 5,059 | 1.7% |
| Omeprazole | 5,043 | 1.5% |
| Lyrica | 4,641 | 1.7% |
| Zocor | 4,333 | 1.8% |
| Ag-x | 4,070 | 2.8% |
| Katerzia | 3,814 | 1.5% |
| Norliqva | 3,814 | 1.5% |
| Sdamlo | 3,814 | 1.5% |
| Baclofen (intrathecal) | 3,333 | 3.9% |
| Simvastatin | 3,304 | 1.6% |
| Lioresal (baclofen) | 3,233 | 3.9% |
| Lyvispah | 3,232 | 3.9% |
| Baclofen | 3,231 | 3.9% |
| Fleqsuvy | 3,231 | 3.9% |
| Ozobax DS | 3,231 | 3.9% |
| Repatha | 3,209 | 2.0% |
| Tysabri | 3,192 | 1.8% |
| Losartan Potassium | 2,960 | 1.7% |
| Klonopin | 2,951 | 1.9% |
| Vitamin C Serum | 2,763 | 3.1% |
| Avonex | 2,461 | 1.7% |
| Cymbalta | 2,453 | 1.8% |
| Hydrochlorothiazide | 2,439 | 1.7% |
| Inzirqo | 2,439 | 1.7% |
| Microzide | 2,439 | 1.7% |
| ParaGard T 380A | 2,420 | 5.7% |
| Omegaven | 2,380 | 2.7% |
| Norvasc | 2,239 | 1.6% |
| Valium | 2,164 | 1.8% |
| Prolia | 2,157 | 1.3% |
| Tenormin | 2,139 | 1.6% |
| Euthyrox | 2,125 | 1.9% |
| Tecfidera | 2,125 | 1.7% |
| Clonazepam | 2,054 | 1.8% |
| Levoxyl | 2,052 | 1.8% |
| Atenolol | 1,991 | 1.6% |
| Zetia | 1,939 | 2.7% |
| Tirosint | 1,826 | 1.8% |
| Tirosint Sol | 1,826 | 1.8% |
| Zovirax | 1,818 | 1.6% |
| Imbruvica | 1,765 | 2.2% |
| Ezallor Sprinkle | 1,749 | 2.2% |
| Rosuvastatin | 1,749 | 2.2% |
| Acyclovir | 1,734 | 1.7% |
| Avaclyr | 1,734 | 1.7% |
| Levo-t | 1,726 | 1.8% |
| Cipro | 1,706 | 1.8% |
| Topamax | 1,672 | 1.9% |
| Prilosec | 1,639 | 1.5% |
| Zoloft | 1,597 | 1.5% |
| Ampyra | 1,594 | 2.2% |
| Flonase | 1,557 | 1.7% |
| Flovent | 1,557 | 1.7% |
| Pomalyst | 1,513 | 1.5% |
| Claritin Reditabs | 1,512 | 1.5% |
| Gilenya | 1,509 | 1.8% |
| Claritin Liqui-gels | 1,506 | 1.5% |
| Claritin | 1,504 | 1.5% |
| Claritin Allergy | 1,504 | 1.5% |
| Aimovig | 1,503 | 2.8% |
| Ambien CR | 1,483 | 1.8% |
| Atorvastatin Calcium | 1,443 | 2.1% |
| Ambien | 1,421 | 1.7% |
| Cozaar | 1,364 | 1.8% |
| Flexeril | 1,341 | 2.8% |
| Ciprofloxacin | 1,315 | 1.7% |
| Miralax | 1,281 | 1.4% |
| Meloxicam | 1,279 | 2.3% |
| Mobic | 1,279 | 2.3% |
| Toprol XL | 1,261 | 1.5% |
| Ciprofloxacin In Dextrose | 1,251 | 1.8% |
| Ciprofloxacin Otic | 1,251 | 1.8% |
| Ferrum Metallicum | 1,239 | 1.9% |
| Pulmicort | 1,181 | 2.1% |
| Rhinocort | 1,181 | 2.1% |
| Ocrevus | 1,057 | 1.7% |
| Xyrem | 1,033 | 1.7% |