Types of Side Effects

• Side effects of MS-Contin include anxiety, constipation, depression, irritability, dizziness, drowsiness, light-headedness, nausea, drowsiness, euphoria sweating and vomiting.
  
  

Respiratory Depression

• One of the most dangerous side effects of MS Contin is respiratory depression, a condition where your brain is unable to properly regulate breathing. This leads to a lack of oxygen to your body, causing shortness of breath and damage to your cardiovascular system or brain.
  
  

Drug Interactions

• Using other medications or substances that inhibit the activities of your central nervous system increase your risk for developing respiratory failure when taken with MS Contin. These include anti-depressants, anti-convulsants, narcotic pain relievers, sedatives and alcohol.
  
  

Dependece

• Some people develop a dependence upon MS Contin, leading to symptoms of withdrawal when use is stopped. Symptoms of withdrawal include muscle pains, diarrhea, hot and cold flashes, insomnia and a runny nose and typically last for up to 72 hours, according to Drugs.com.
  
  

Considerations

• Because it has the potential to cause dizziness or drowsiness, avoid driving or operating heavy machinery until you know how MS-Contin affects you. Since it may delay labor and decrease uterine contractions, doctors typically do not prescribe the drug for pregnant women, particularly during the third trimester, reports RxList.com.