COPD Home > What You Need to Know About Combivent

What If I Take an Overdose?

People who take too much Combivent may have overdose symptoms that could include:
  • Shakiness or nervousness
  • Abdominal pain (stomach pain)
  • Nausea
  • Blurred vision
  • Headaches
  • Constipation
  • Dry mouth or eyes
  • Difficulty urinating
  • Chest pain (angina)
  • High blood pressure (hypertension) or low blood pressure (hypotension)
  • A fast heart rate (tachycardia) or an irregular heart rhythm (arrhythmia)
  • Feelings of a rapidly or forcefully beating heart (heart palpitations)
  • Dizziness
  • Insomnia
  • Seizures
  • Fatigue
  • Low potassium in the blood (hypokalemia)
  • Cardiac arrest
  • Loss of life.
If you happen to overdose on Combivent, seek immediate medical attention.
(Click Combivent Overdose for more information.)

How Should Combivent Be Stored?

Store Combivent at room temperature, away from moisture and heat. Do not puncture the canister, and do not store or use it near heat or an open flame.
Keep Combivent and all medications out of the reach of children.
For the new Combivent Respimat inhaler, it must be discarded three months after the canister is inserted into the inhaler. 

What Should I Do If I Miss a Dose?

If you do not take your Combivent as scheduled, take your missed dose as soon as you remember. If it is almost time for your next dose, skip the missed dose and continue with your regular schedule. Do not take a double dose.


The old Combivent was available in one strength, which contains 200 sprays, with 18 mcg of ipratropium bromide and 90 mcg of albuterol per spray. The new Combivent Respimat inhaler contains 120 sprays, with 20 mcg of ipratropium bromide and 100 mcg of albuterol per spray. 
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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