Prescription Drug Lawsuit Frequently Asked QuestionsOnfi (clobazam) affects chemicals in the brain that can be unbalanced in people with anxiety. It is used in combination with other medications to treat seizures caused by Lennox-Gastaut syndrome, a form of childhood epilepsy that causes developmental and behavioral problems. Common and extreme side effects can occur and include:

  • constipation
  • drowsiness
  • fever
  • sedation
  • aggressive behavior
  • ataxia
  • lethargy
  • irritability

Extreme Side Effects of Onfi

Stevens-Johnson syndrome or toxic epidermal necrolysis are very extreme side effects, and also include:


  • difficulty swallowing
  • Fever
  • Shakiness
  • Unsteadiness, trembling, or other muscle control or coordination


  • Change in speech pattern
  • restlessness
  • slurred speech
  • trouble sitting still
  • difficulty speaking

It is important that people taking Onfi not drive, operate heavy machinery, or engage in other dangerous activities. This drug can cause abuse and dependence that should be not combined with alcohol. The risk of withdrawal symptoms are greater than with higher doses of taking the medication; including seizures, tremors, and anxiety.

Our No-Fee Promise on Onfi Cases

You can afford to have our great team of lawyers on your side. When you choose us, it literally costs nothing to get started. We promise you in writing:

  • No money to get started
  • We pay all case costs and expenses
  • No legal fees whatsoever unless you receive a settlement
  • Phone calls are always free

Start Your Onfi Claim

Our Onfi lawyers will help you file your lawsuit. To get started, you can:

  1. Submit the Free Case Review Box on this page, or
  2. Call (866) 280-3417 any time of day to tell us about your case.

We will listen to your story and answer your questions. If you have a claim, we will start immediately.

WARNING: There are strict time deadlines for Onfi claims.