1 What is Invega?

Brand: Invega

Generic: Paliperidone

Invega is a drug used in the treatment of schizophrenia. This drug is available as an extended release tablet containing 3 mg, 6 mg or 9 mg of paliperidone.


You should read the product information leaflet before using this medication. If you have any questions, ask your doctor or pharmacist.

This medication should be taken by mouth as instructed by your doctor. Do not crush or chew the drug because it may diminish its effects. This medication should be taken with a full glass of water unless your doctor tells you otherwise. You should swallow the drug whole.

Your dosage is based on your medical condition and the way you will respond to treatment. Take this drug regularly to experience the most benefits. You should also take this drug at the same time each day.

If you miss a dose, use it as soon as you remember. Continue to use it as prescribed by your doctor or as stated on the package label.


Invega may interact with medications such as:

  • Amiodarone
  • Chlorpromazine
  • Moxifloxacin
  • Dofetilide
  • Pimozide
  • Quinidine
  • Sotalol
  • Procainamide
  • Macrolide antibiotics such as:
    • Erythromycin
  • Sibutramine
  • Anticholinergics such as:
    • Belladonna alkaloids
    • Benztropine
    • or Scopolamine
  • Carbamazepine
  • Certain medications for Parkinson's disease such as:
    • Levodopa
    • or Dopamine agonists such as:
      • Bromocriptine
  • Drugs for treating high blood pressure such as:
    • Alpha blockers (prazosin) and
    • ACE inhibitors such as:
      • Lisinopril
  • Risperidone
  • Bupropion
  • Isoniazid (INH)
  • Phenothiazines such as:
    • Thioridazine
  • Tramadol
  • Theophylline
  • Tricyclic antidepressants such as:
  • Certain antihistamines such as:
    • Diphenhydramine
  • Anti-seizure drugs such as:
    • Carbamazepine
  • Medicine for sleep or anxiety such as:
    • Alprazolam
    • Diazepam
    • or Zolpidem
  • Muscle relaxants
  • Narcotic pain relievers such as:
    • COdeine
  • Psychiatric medicines such as:

Side Effects:

There are no side effects known aside from a possible allergic reaction in people who have previous or unknown hypersensitivity to the drug.

Watch out for signs of allergic reactions such as:

  • Rash
  • Itching
  • Swelling


Before taking this medication, tell your doctor or pharmacist if you have the following:

2 Related Clinical Trials