Seizure control feels different with ongoing support
$0 or $15
for eligible patients
Financial assistance
With commercial insurance, you may be eligible to receive PRIMAXA ODT for a $0 co-pay. Even without commercial insurance, you may be able to receive PRIMAXA ODT for a $15 co-pay.*
Expert assistance throughout treatment
PRIMAXA ODT is delivered through a specialty pharmacy, which is used to manage medicines for more rare or complex conditions than regular pharmacies. They can provide personalized support for children or adults taking PRIMAXA ODT.
Receive these benefits

Monitoring, education, and help with dosing questions.

Free home delivery of PRIMAXA ODT.

Dedicated support staff to help with insurance and refills.
Made in the USA
PRIMAXA ODT is an antiseizure medicine made in the United States. We ensure that every batch of medicine passes rigorous guidelines for high-quality standards and consistency. This local manufacturing also eliminates supply chain issues that could delay access to medication.
IMPORTANT SAFETY INFORMATION
What is the most important information I should know about Primaxa™ ODT?
Primaxa ODT is a medicine used to help control certain types of seizures. Like many seizure medications, Primaxa ODT can cause serious side effects in some people. Be sure to talk to your healthcare provider before starting this medication.
Serious warnings and precautions:
- Suicidal thoughts or actions:
Seizure medicines like Primaxa ODT may increase the risk of suicidal thoughts or behaviors. Call your healthcare provider right away if you or your caregiver notice new or worsening depression, mood changes, or thoughts of harming yourself. - Do not stop suddenly:
Do not stop taking Primaxa ODT without talking to your healthcare provider. Suddenly stopping can cause serious problems, including more seizures or a life-threatening condition called status epilepticus. - Drowsiness and dizziness:
Primaxa ODT can make you sleepy, dizzy, or cause problems with coordination. Do not drive or operate machinery until you know how Primaxa affects you. - Serious blood problems:
Rare but serious blood disorders (such as anemia or low white blood cell counts) have been reported. Your healthcare provider may do regular blood tests to check for problems. - Birth defects and pregnancy risks:
The effects of Primaxa ODT in pregnant women are not well known. Like many seizure medications, it may carry a risk of birth defects. If you are pregnant or planning to become pregnant, talk to your healthcare provider about the risks and benefits. Some women may need vitamin K during the last month of pregnancy. - Breastfeeding:
Primidone and its byproducts can pass into breast milk. Talk to your provider about the risks if you are nursing. Watch for unusual drowsiness or feeding problems in your baby. - Phenylketonuria (PKU) warning:
Primaxa ODT contains aspartame, which is a source of phenylalanine. People with PKU should speak with their doctor before using this medicine. - Do not take more than prescribed:
The maximum dose of Primaxa ODT is 2 grams per day. It may take several weeks to see the full effects. Your doctor may order regular check-ups or lab work while you take this medication.
What are the possible side effects?
The most common side effects of Primaxa ODT include:
- Sleepiness or drowsiness
- Dizziness, vertigo, or balance problems
- Nausea, vomiting, or loss of appetite
- Blurred or double vision
- Skin rash or itching
- Feeling irritable, tired, or emotionally sensitive
- Sexual side effects
Serious side effects that require immediate attention include:
- Unusual bruising or bleeding
- Fever or sore throat
- Yellowing of the skin or eyes
- Trouble breathing or chest pain
- Thoughts of harming yourself
These are not all the possible side effects. Call your doctor for medical advice about side effects.
You may report side effects to the FDA at 1-800-FDA-1088 or visit www.fda.gov/medwatch.
Please see full Prescribing Information for additional safety and dosing information.