Does dextromethorphan-quinidine Oral have side effects?
The following side effects are associated with dextromethorphan-quinidine Oral:
Common side effects of dextromethorphan-quinidine Oral:
| Muscle Spasm | Less Severe |
| Dizzy | Less Severe |
| Fluid Retention in the Legs, Feet, Arms or Hands | Less Severe |
| Cough | Less Severe |
| Feel Like Throwing Up | Less Severe |
| Throwing Up | Less Severe |
| Diarrhea | Less Severe |
| Feeling Weak | Less Severe |
Infrequent side effects of dextromethorphan-quinidine Oral:
| Lung Failure causing Loss of Breath | Severe |
| The Flu | Less Severe |
| Urinary Tract Infection | Less Severe |
| Gas | Less Severe |
| Stomach Cramps | Less Severe |
| Falling | Less Severe |
Rare side effects of dextromethorphan-quinidine Oral:
| Very Rapid Heartbeat - Torsades de Pointes | Severe |
| Prolonged Q-T Interval on EKG | Severe |
| Vasculitis | Severe |
| Bronchospasm | Severe |
| Hepatitis | Severe |
| Lupus-Like Syndrome | Severe |
| Fever | Severe |
| Giant Hives | Severe |
| Hemolytic Anemia | Severe |
| Decreased Blood Platelets | Severe |
| Deficiency of Granulocytes a Type of White Blood Cell | Severe |
| Rash | Less Severe |
| Swollen Lymph Nodes | Less Severe |
