Advertisement

What are the possible side effects of Opana ER?

Seek emergency medical treatment if you experience serious side effects while taking Opana ER, including rapid, slow or irregular heartbeat; shallow, slow or difficult breathing; a severe headache; confusion; unusual thoughts, including hallucinations; mood changes; seizures; unusual or extreme drowsiness; severe dizziness or lightheadedness; fainting; unusual or extreme weakness.

See a doctor immediately if you have vision changes; dry eyes, including discomfort when wearing contact lenses; severe vomiting; unusual swelling; clammy, cold skin; red, peeling, blistering or loose skin, including inside your mouth; fever; and decreased ability to urinate.

Seek immediate medical care or call 911 if you experience symptoms of an allergic reaction, including breathing difficulty, tightness in your chest, hives, a rash, itching or swelling in your face, lips, tongue or throat.

More common, less dangerous side effects, include: mild headaches, decreased appetite, nausea, vomiting, constipation, gas, mild dizziness or lightheadedness, mild drowsiness, itching, sweating, dry mouth and anxiety. Talk to your doctor if any of these side effects is severe or persistent.

Continue Learning about Opiate Agonists

How does tramadol treat fibromyalgia?
Donna Hill Howes, RNDonna Hill Howes, RN
Tramadol (Conzip, Ultram) is a weak narcotic pain medication. It is sometimes prescribed for people ...
More Answers
How should I get rid of unused opioid medication?
Travis M. Hendry, MDTravis M. Hendry, MD
Get rid of unused opioid medication (strong medications that affect the way your brain handles pain ...
More Answers
How do you treat constipation and other side effects of taking opioids?
Devi E. Nampiaparampil, MDDevi E. Nampiaparampil, MD
Your doctor may prescribe a stool softener along with an opioid to prevent constipation. Other commo...
More Answers
What are alternatives to opioid pain medication?
Travis M. Hendry, MDTravis M. Hendry, MD
Depending on your pain condition, alternatives to opioid pain medication can include: Non-opioid...
More Answers

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.