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Brand name: Symmetrel

Symmetrel is a medicine containing the active ingredient(s) amantadine. On this page you will find out more about Symmetrel, including side effects, age restrictions, food interactions and whether the medicine is subsidised by the government on the pharmaceutical benefits scheme (PBS)

You should seek medical advice in relation to medicines and use only as directed by a healthcare professional. Always read the label. If symptoms persist see your healthcare professional. healthdirect medicines information is not intended for use in an emergency. If you are suffering an acute illness, overdose, or emergency condition, call triple zero (000) and ask for an ambulance.

Reasonable care has been taken to provide accurate information at the time of creation. This information is not intended to substitute medical advice, diagnosis or treatment and should not be exclusively relied on to manage or diagnose a medical condition. Please refer to our terms and conditions.

Active ingredient in this medicine: amantadine

Information for medicine and pack size:
Symmetrel 100 mg soft capsule, 100

Consumer Medicine Information leaflet:

This leaflet may also be found inside the medicine package. It contains information on side effects, age restrictions and other useful data.

Read leaflet

What this medicine is for

PARKINSON'S DISEASE: Idiopathic Parkinson's disease; post encephalitic parkinsonism; symptomatic parkinsonism (e.g. following CNS injury from carbon monoxide poisoning); arteriosclerotic parkinsonism; drug-induced extrapyramidal reactions. Symmetrel can be given alone for initial therapy or combined with anticholinergic drugs or L-dopa (see "Dosage and Administration"). Note: Symmetrel is not indicated for the treatment of tardive dyskinesia. TYPE A VIRUS INFLUENZA: Prophylaxis of respiratory tract illness caused by Influenza Type A. Prophylaxis in non-immunized individuals (including children) for whom influenza may have serious consequences (e.g. persons with chronic respiratory disease of diabetes mellitus).

Table of characteristics
Table of characteristics
Active ingredient
Visual appearance Reddish-brown, opaque, shiny, oblong capsule. One side branded "GEIGY", the other "GB", in white.

Images are the copyright of the Pharmacy Guild of Australia

Dosage Form Capsule, soft
Route of administration Oral
Medicine schedule
100: Prescription Only Medicine, or Prescription Animal Remedy

There is one type of pack available.

Pack type 1
Pack type 1
Type Bottle
Storage temperature Store below 30 degrees Celsius
Storage conditions Protect from Moisture
Life time 3 Years
This medicine was verified as being available on the PBS (Pharmaceutical Benefits Scheme) on 1 November 2017

The PBS provides a list of government subsidised medicines available to be dispensed to patients. Further information can be found on the Pharmaceutical Benefits Scheme website.

Go to PBS site

Is this medication banned in sport?

Check if you can use your medicine whilst playing sport. Search the Australian Sports Anti-Doping Authority (ASADA) database that provides information about the prohibited status of specific medications and/or the active ingredient based on the current World Anti-Doping Agency (WADA) Prohibited List.

Go to ASADA site

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