© 2005-2020 Healthline Media a Red Ventures Company. This raises your risk of side effects.Dosage is based on weight. This can cause your body to process drugs more slowly. eCollection 2015.J Can Acad Child Adolesc Psychiatry. Adult dosage (ages 18 to 64 years) Typical dosage: 200 mg taken once per day, or 100 mg taken twice per day. This increases your risk of side effects.It has not been confirmed that amantadine is safe and effective for use in people younger than 18 years.The kidneys of older adults may not work as well as they used to. Your doctor will test you while you take this drug. Every 5mL (teaspoonful) contains 50mg of amantadine. In patients with Parkinson’s disease and drug-induced movement disorders, amantadine increases the effect of a chemical in your brain called dopamine. doi: 10.1111/j.1750-2659.2012.00390.x. This means your doctor will need to get approval from your insurance company before your insurance company will pay for the prescription.There are other drugs available to treat your condition. Your doctor will write the number of refills authorized on your prescription. All rights reserved. 2012 Nov;6(6):e143-51. Atypon As a result, an increased amount of a drug stays in your body for a longer time. This drug should be used only if the potential benefit justifies the potential risk to your pregnancy.If you become pregnant while taking this drug, call your doctor right away.All possible dosages and drug forms may not be included here. If they’re more severe or don’t go away, talk to your doctor or pharmacist.Call your doctor right away if you have serious side effects. Drinking alcohol can increase your risk of side effects from this drug. Our website services, content, and products are for informational purposes only. Some may be better suited for you than others. These data suggest that amantadine has acceptable acute tolerability at single doses up to 150 mg/day and is possibly efficacious in decreasing ADHD symptoms, although its … That said, the typical dose for adults is 100mg, twice daily. These side effects can include dizziness, confusion, lightheadedness, and positional low blood pressure (low blood pressure when you stand). A reduced dose is recommended for pediatric patients under age nine, and elderly patients with renal or liver impairment. This can increase your risk of side effects such as nausea, dizziness, or insomnia. This is to check your skin for possible melanoma.Not every pharmacy stocks this drug. It should not exceed 150 mg per day.It has not been confirmed that amantadine is safe and effective for use in people younger than 1 year.Death from overdose has been reported in a person who ingested 1 g (1,000 mg) of amantadine. Unable to load your delegates due to an error As a result, a higher amount of a drug stays in your body for a longer time. Talk to your doctor about other drug options that may work for you.© 2005-2020 Healthline Media a Red Ventures Company. Examples of anticholinergic drugs include:Taking certain heart drugs with amantadine can increase the level of amantadine in your body. Serious side effects and their symptoms can include the following: Amantadine oral capsule can interact with other medications, vitamins, or herbs you may be taking. Many insurance companies require a prior authorization for this drug. 2009 Jan;31(1):142-76. doi: 10.1016/j.clinthera.2009.01.015.Ercan ES, Akyol Ardic U, Kabukcu Basay B, Ercan E, Basay O.Atten Defic Hyperact Disord. This can cause your body to process drugs more slowly. All rights reserved. Parent and teacher ADHD rating scales and the parent Child Behavior Checklist (CBCL) were administered at … Epub 2012 Jun 11. As a result, a higher amount of a drug stays in your body for a longer time. Clipboard, Search History, and several other advanced features are temporarily unavailable. 2013 Dec;5(4):377-85. doi: 10.1007/s12402-013-0111-0. If you take this drug for Parkinson’s disease, you will need to see a dermatologist periodically. This means you may need to take it with other medications.Amantadine belongs to a class of drugs called antivirals. Healthline Media does not provide medical advice, diagnosis, or treatment. Amantadine is a prescription drug. Be sure to tell your doctor about all medications, vitamins, or herbs you’re taking. Your dosage, drug form, and how often you take the drug will depend on:It has not been confirmed that amantadine is safe and effective for use in people younger than 18 years.The kidneys of older adults may not work as well as they used to. Examples of these heart drugs include:Taking certain malaria drugs with amantadine can increase the level of amantadine in your body.