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What is Opana ER?

Opana ER is an opioid pain medication that affects the brain and nervous system to treat moderate to severe pain.
Being a pain reliever, Opana ER also helps to reduce post-surgery pain.

Important Information

  • Always remember that taking Opana ER is only a part of treatment; follow your doctor’s advice to make the medication more effective.
  • You may need frequent medical examination while using Opana ER.
  • Keep Opana ER tablets in your custody at the suggested atmospheric condition and dispose of all the leftover medicine once done with the treatment.
  • You can either buy the medicine online or offline, provided that you should have a proper prescription from a doctor. It is because buying or selling without an appropriate prescription is an offense under the law, and authorities may hold you liable if you do so.
  • You can also consult your doctor to learn more about the risks and benefits of the medicine and ask your doctor about all other necessary precautions that you should take while using Opana ER.

What to know before taking Opana ER?

Opana ER is a habit-forming and highly addictive medicine, and you need to take care of certain precautions while taking it. In addition to this, please consider the following things before taking Opana ER:

  • Taking Opana ER is not safe if you are allergic to it or its components or similar drugs.
  • You should not take Opana ER if you have or ever had the following
  • health disorders:
  • Head injuries
  • Seizures or convulsions
  • Breathing disorders
  • Sleep apnea (breathing that stops while sleeping)
  • Mental illness
  • Urination problems
  • Liver disease
  • Kidney disorders
  • Problems in the functioning of the gallbladder and pancreas
  • Thyroid disorder
  • Consuming Opana ER can adversely affect your health if you are
  • pregnant or breastfeeding; it can harm your child and cause congenital disabilities.
  • Using Opana ER during pregnancy or lactation period can create drug dependence on your child.
  • Please avoid taking Opana ER if you have consumed any MAO inhibitors in the last 14 days.
  • Avoid taking Opana ER if you are an alcoholic or drug addict.
  • Sudden withdrawal of Opana ER can be fatal. Please consult your doctor before leaving it; your doctor will gradually decrease your medicine dose.

How to take Opana ER?

Opana ER is an opioid pain medication that affects your brain and nervous system to treat moderate to severe pain. However, it can adversely affect your health if taken inappropriately.
You should consult your health expert before taking it and follow all the necessary instructions and directions while taking medicine.
Please talk to your doctor if you don’t feel any improvement in your health condition or get even worse.

Opana ER dosage

It is an effective medicine for treating moderate to severe pain. To ensure that the medication you are taking is effective and safe, consult your doctor for suitable Opana ER dosages. You can easily buy Opana ER online and use it as prescribed by your doctor.
Your doctor will initiate your treatment with the medicine’s minimum possible dose and gradually adjust your medicine dose as and when required. To determine the best suitable dosages for you, your doctor should examine you thoroughly. Your doctor will recommend Opana ER dosage keeping the following factors in mind:

  • Age of the patient
  • Weight of the patient
  • The medical condition of the patient

The following are the usual Opana ER dosage that your doctor can prescribe you:

Dosage for severe to moderate pain

In the form of extended-release tablets

  • For adults
    5 mg of the medicine after every 12 hours or as and when required
  • For children
    Doctors will determine a suitable dosage for children after a full and proper medical examination.
    In the form of oral tablets
  • For adults
    10 mg to 20 mg of the medicine, after every four to six hours or as required.
  • For children
    Doctors will determine a suitable dosage for children after a full and proper medical examination.


Opana ER overdose can be fatal and cause you the following:

  • Drowsiness
  • muscle weakness
  • Confusion or disorientation
  • cold and clammy skin
  • pinpoint pupils
  • slow heart rate
  • slow or shallow breathing
  • coma.

Therefore, you should not ignore these overdose symptoms and consu your doctor ASAP if an overdose happens. You can also seek emergency medical assistance by calling the poison helpline at 1-800-222-1222.

What to avoid while using Opana ER?

Taking herbal products, over-the-counter medicines, vitamins, and other nutritional supplements simultaneously with Opana ER is not safe; It can deteriorate your health even more.
Consuming alcohol while using Opana ER is dangerous; please avoid it.
Taking Opana ER can make your thought process impaired and cause you dizziness or drowsiness; therefore, you should avoid driving, operating machinery, and performing activities that can cause severe injuries or accidents.

Opana ER side effects

Opana ER affects the opioid receptors in the body and treat pain, and may cause you the following side effects:

  • Dizziness or drowsiness
  • Headache
  • Tiredness
  • Pain in the stomach
  • Nausea or vomiting
  • Constipation
  • Although it is okay to experience these mild side effects after using Opana ER, you should not worry too much about them. However, please consult your doctor if these mild side effects are unbearable and causing you too much trouble.
    Please stop taking Opana ER and seek emergency medical assistance ASAP if you experience the following health issues while using Opana ER:
  • Weak or shallow breathing
  • Sleep apnea (breathing that stops while sleeping)
  • Lightheadedness
  • Seizures or convulsions
  • Pain in the chest
  • Wheezing
  • Cough with green or yellow mucus
  • Vomiting
  • Low cortisol levels in the body resulting in nausea or vomiting, loss of appetite, dizziness, tiredness, or weakness
  • Symptoms of serotonin syndrome such as hallucinations, unusual sweating, agitation, shivering, fast heart rate, stiff muscles, twitching, loss of coordination, nausea or vomiting, or diarrhea
  • Any other severe allergic reaction to the medicine

What drugs can interact with Opana ER?

Some of the following medicines can dangerously interact with Opana ER and cause severe side effects:

  • Cold or allergy medicine
  • Asthma or chronic obstructive pulmonary disorders or other
  • breathing disorder
  • Water pills
  • Medicines to treat motion sickness
  • Medication used for treating irritable bowel syndrome and overactive
  • bladder
  • Narcotic drugs
  • Opioid pain medication
  • Cough medication
  • Sedative
  • Sleeping pill
  • Muscle relaxers
  • Medicine to treat mood disorders or other mental illnesses
  • Stimulants
  • Antidepressants
  • Medicines to treat Parkinson’s disease
  • Migraine medications
  • Medicines to treat nausea or vomiting

Therefore, to avoid dangerous interactions between the medicine, please inform your doctor about all the drugs and therapies you are currently taking.