medicationsOsmolex Er

Osmolex ER Coupon & Prices

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Medically reviewed by  Jamie Winn, PharmD

Your monthly Osmolex ER cost savings if eligible

If you are eligible to receive your Osmolex ER prescription through the patient assistance program, your medication will be free. We charge a flat monthly service fee of $49 per medication to cover the cost of our services.

Am I eligible for Osmolex ER patient assistance?

To be eligible for the Osmolex ER patient assistance program, you will need to meet specific eligibility criteria set by the pharmaceutical company. At NiceRx, we review each Osmolex ER enrollment application individually. The main factors considered are:

  • I am a permanent, legal resident of the United States or Puerto Rico
  • I am uninsured or my insurance doesn’t cover my medication
  • I meet certain income eligibility requirements

How do I apply for the Osmolex ER patient assistance program?

Applying for the Osmolex ER patient assistance program through NiceRx is simple. Begin by completing the enrollment application on our website. We will ask for details about your healthcare provider, your insurance plan, and your household income. This information is required by the pharmaceutical manufacturers that supply your medication. We may be able to help you access patient assistance for other medications as well as Osmolex ER, so please tell us about any medications that you have been prescribed.

If we determine that you may be eligible for Osmolex ER assistance, we will handle the full enrollment process on your behalf. We will work with your healthcare provider to prepare and submit all the documents required for you to enroll. If you are successfully enrolled in the Osmolex ER patient assistance program, we will also request your Osmolex ER medication refills on your behalf for up to 1 year. At the end of your enrollment period, we will contact you for updated details and seek to re-enroll you in the program.

Is NiceRx an Osmolex ER coupon provider?

NiceRx does not provide Osmolex ER coupons, discount cards or copay cards. We do not offer printable Osmolex ER manufacturer coupons, Osmolex ER discounts, rebates, Osmolex ER savings cards, trial offers, or free samples. We are a service provider that helps eligible individuals access patient assistance programs. Our service cost is $49 a month per medication, so you will likely save more on your Osmolex ER medication with NiceRx.

Can NiceRx help me get Osmolex ER cheaper if I have insurance?

NiceRx may be able to help you access Osmolex ER patient assistance if:

  • You have a high copay or coinsurance responsibility for Osmolex ER
  • Your insurance company will not pay for your Osmolex ER prescription
  • You do not have insurance

Complete your enrollment application online to find out more.

How much does Osmolex ER cost without insurance?

Osmolex ER prices without insurance will vary by retailer. As a guide, Osmolex ER oral tablet, extended-release 193 mg will typically cost around $480 for 30 tablets.

How much does Osmolex ER cost with insurance?

Your individual healthcare plan will determine the copay of Osmolex ER with insurance. To find out what you will need to pay, contact your pharmacist or insurance provider. They will be able to calculate your copay with your current insurance.

What is Osmolex ER?

Osmolex ER is an FDA (U.S. Food and Drug Administration) approved medication manufactured by Adamas Pharmaceutical, Inc. It is indicated for the treatment of Parkinson’s disease, and drug-induced extrapyramidal reactions in adult patients.

What doses of Osmolex ER are available?

Osmolex ER is available as an extended-release tablet dosage form, in the following doses: 129 mg, 193 mg, or 258 mg.

The recommended starting dose is 129 mg orally once daily in the morning. This may be increased each week to a maximum daily dose of 322 mg once daily in the morning.

You should swallow the tablets whole. Do not chew, crush, or break the tablets. If you miss a dose skip the missed dose and take your next dose at your regular time. Store the tablets at room temperature away from light and moisture.

Speak with your healthcare provider for medical advice if your symptoms do not improve, or if you develop a headache, cough, or skin rash so they can monitor and evaluate your condition.

Osmolex ER active ingredients

Exactly how amantadine hydrochloride works for the treatment of Parkinson’s disease, drug-induced extrapyramidal reactions, and dyskinesia associated with Parkinson’s disease is not known.

Amantadine is a weak uncompetitive antagonist of the NMDA receptor. It also causes anticholinergic-like side effects such as dry mouth, urinary retention, and constipation. Amantadine may also have effects on your dopamine neurons as it displays dopamine-like side effects such as hallucinations and dizziness.

Osmolex ER side effects

The most common side effects of Osmolex ER in clinical trials include:

  • Nausea, dizziness, lightheadedness
  • Insomnia
  • Dry mouth
  • Swelling in your legs or feet
  • Constipation

In rare instances, Osmolex ER can cause more serious adverse effects. These can include:

  • Falling asleep during daily living activities, somnolence, and extreme drowsiness
  • Suicidality and depression
  • Hallucinations, psychotic behavior
  • Orthostatic hypotension
  • Withdrawal-emergent hyperpyrexia and confusion
  • Compulsive behaviors – increased gambling or sexual urges, uncontrolled spending or other urges
  • Seizure
  • Severe nervous system reaction – very stiff muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors

Your doctor will assess the benefits of using Osmolex ER against your risk of side effects. Patients are encouraged to report negative side effects or adverse reactions of Osmolex ER to the FDA. Visit, or call 1-800-FDA-1088.

Osmolex ER drug interactions

Osmolex ER can interact with other medications. These include:

  • Anticholinergic drugs
  • Drugs affecting urinary pH
  • Live attenuated influenza vaccines
  • Alcohol

This list is not exhaustive and other prescription drugs may interact with Osmolex ER.

Osmolex ER contraindications

You should not use Osmolex ER if you:

  • Are allergic to the active ingredient amantadine
  • Are allergic to any of the other ingredients in Osmolex ER
  • Have end-stage renal disease
  • Have received a live nasal flu vaccine within the past 14 days
  • Are pregnant or are planning to become pregnant

Talk to your doctor about your medical condition before using Osmolex ER if you:

  • Are taking any of the medications that could interact with Osmolex ER
  • Suffer from daytime drowsiness
  • Have congestive heart failure
  • Have eczema
  • Have glaucoma
  • Have liver disease
  • Suffer from seizures
  • Have low blood pressure, or suffer from fainting spells
  • Have alcoholism or drug addiction
  • Have mental illness, psychosis, or suicidal thoughts
  • Are breastfeeding or are planning to breastfeed

Osmolex ER generic

Osmolex ER is the trademark brand name for amantadine manufactured by Adamas Pharmaceutical, Inc. A generic version of amantadine is not available. Generic drugs are generally cheaper than brand-name drugs, but you can still find Osmolex ER savings through NiceRx.

The content on this website is intended for information purposes only. It does not constitute medical advice. The information on this website should not be relied upon and is not a substitute for professional medical advice. You should always speak to your doctor regarding the risks and benefits of any treatment.