Symmetrel Oral Tablet 100Mg Drug Medication Dosage Information
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Symmetrel: Oral tablet (100mg)

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Drug Image file DrugItem_4976.JPG
Symmetrel 100mg Tab
Bristol Myers Squibb Pharma Co
Pill Identification: SYMMETREL 
Drug Image file DrugItem_7158.JPG
Symmetrel 100mg Tab
Endo Pharmaceuticals Inc
Pill Identification: SYMMETREL 
Drug Image file DrugItem_7603.JPG
Amantadine 100mg Tab
Upsher-Smith Laboratories, LLC
Pill Identification: 832  |  AMT
Drug Image file DrugItem_23533.JPG
Amantadine 100mg Tab
Actavis US
Pill Identification: A85 
Drug Image file DrugItem_25781.JPG
Amantadine 100mg Tab
Cipla USA, Inc
Pill Identification: CA 
Drug Image file DrugItem_25719.JPG
Amantadine 100mg Tab
Vensun Pharmaceuticals, Inc.
Pill Identification: S  |  502

What is this Medicine?

AMANTADINE (a MAN ta deen) is an antiviral medicine. It is used to prevent and to treat a specific type of flu called influenza A. It will not work for colds, other types of flu, or other viral infections. This medicine is also used to treat Parkinson's disease and other movement disorders.

Similar Generic Drugs : Amantadine: Oral tablet (100mg)
In-Depth Information
Select a Medication

Symmetrel 100mg Tablet

NDC: 634810108
  • Prescription Required
  • Not a Controlled Drug
    (CSA Schedule)
  • FDA Approved




FDA approved for the following conditions:
Seasonal Influenza Prophylaxis, Drug-induced Extrapyramidal Symptoms, Influenza A Virus Infection, Parkinson's Disease, Parkinsonism

Sometimes used for but not FDA approved for the following conditions:
Neuroleptic Malignant Syndrome, Huntington's Disease (Huntington's Chorea), Fatigue

Storage Information
Store at 77 degrees F; excursions permitted to 59-86 degrees F
Symmetrel 100mg Tablet
Drug Image file DrugItem_7158.JPG
Endo Pharmaceuticals Inc
Pill Identification: SYMMETREL 
Shape: triangular (3-sided)
Color: orange

Reported Side Effects for Symmetrel 100mg Tablet

Muscle Cramps Incidence:
<3.0%*
Severity: MILD
Onset: DELAYED
Low White Blood Cells Incidence:
<0.1%*
Severity: MODERATE
Onset: DELAYED
Cataracts Incidence:
<3.0%*
Severity: MODERATE
Onset: DELAYED
Infection Incidence:
<10.0%*
Severity: MILD
Onset: DELAYED
Low White Blood Cell Counts Incidence:
<0.1%*
Severity: MODERATE
Onset: DELAYED
Dry Eyes Incidence:
<3.0%*
Severity: MILD
Onset: EARLY
Paranoia Incidence:
<3.0%*
Severity: MILD
Onset: EARLY
Convulsions Incidence:
<0.1%*
Severity: SEVERE
Onset: DELAYED
Thoughts Of Suicide Incidence:
<3.0%*
Severity: SEVERE
Onset: DELAYED
Blurred Vision Incidence:
<4.0%*
Severity: MODERATE
Onset: EARLY
Dystonic Reaction Incidence:
<3.0%*
Severity: MODERATE
Onset: DELAYED
Cough Incidence:
<3.0%*
Severity: MILD
Onset: DELAYED
Joint Pain Incidence:
<3.0%*
Severity: MILD
Onset: DELAYED
Photosensitivity Incidence:
0.1-1.0%*
Severity: MILD
Onset: DELAYED
Dysarthria Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: DELAYED
Elated Mood Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Corneal Opacification Incidence:
0.1-1.0%*
Severity: SEVERE
Onset: DELAYED
Corneal Edema Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Decreased Sexual Desire Incidence:
0.1-1.0%*
Severity: MILD
Onset: DELAYED
Hyperkinesis Incidence:
0.1-1.0%*
Severity: MILD
Onset: DELAYED
Loss Of Memory Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: DELAYED
Vomiting Incidence:
0.1-3.0%*
Severity: MILD
Onset: EARLY
Weakness Incidence:
0.1-1.0%*
Severity: MILD
Onset: EARLY
Psychosis Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Visual Impairment Incidence:
0.1-1.0%*
Severity: SEVERE
Onset: EARLY
Shortness Of Breath Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Heart Failure Incidence:
0.1-1.0%*
Severity: SEVERE
Onset: DELAYED
High Blood Pressure Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Retaining Urine Incidence:
0.1-1.0%*
Severity: MODERATE
Onset: EARLY
Skin Rash Incidence:
0.1-1.0%*
Severity: MILD
Onset: EARLY
Livedo Reticularis Incidence:
1.0-6.0%*
Severity: MODERATE
Onset: DELAYED
Abnormal Dreams Incidence:
1.0-5.0%*
Severity: MILD
Onset: EARLY
Distressed Incidence:
1.0-5.0%*
Severity: MILD
Onset: EARLY
Headache Incidence:
1.0-6.0%*
Severity: MILD
Onset: EARLY
Decreased Appetite Incidence:
1.0-5.0%*
Severity: MILD
Onset: DELAYED
Nervousness Incidence:
1.0-7.0%*
Severity: MILD
Onset: DELAYED
Constipation Incidence:
1.0-13.0%*
Severity: MODERATE
Onset: DELAYED
Depression Incidence:
1.0-6.0%*
Severity: MODERATE
Onset: DELAYED
Loose Stools Incidence:
1.0-5.0%*
Severity: MILD
Onset: EARLY
Drowsiness Incidence:
1.0-5.0%*
Severity: MILD
Onset: EARLY
Tired Incidence:
1.0-5.0%*
Severity: MILD
Onset: EARLY
Irritability Incidence:
1.0-5.0%*
Severity: MILD
Onset: DELAYED
Postural Low Blood Pressure Incidence:
1.0-13.0%*
Severity: MODERATE
Onset: DELAYED
Dry Mouth Incidence:
1.0-16.0%*
Severity: MILD
Onset: EARLY
Fluid Retention Incidence:
1.0-16.0%*
Severity: MODERATE
Onset: DELAYED
Incoordination Incidence:
1.0-5.0%*
Severity: MODERATE
Onset: DELAYED
Confusion Incidence:
1.0-5.0%*
Severity: MODERATE
Onset: EARLY
Hallucinations Incidence:
1.0-21.0%*
Severity: MODERATE
Onset: EARLY
Inability To Sleep Incidence:
5.0-10.0%*
Severity: MILD
Onset: EARLY
Upset Stomach Incidence:
5.0-10.0%*
Severity: MILD
Onset: EARLY
Lightheadedness Incidence:
5.0-16.0%*
Severity: MILD
Onset: EARLY
*This is an approximate aggregated range of reported side effects from clinical studies performed on this drug. Your experience with this drug may be different.
Daily Life Interactions for Symmetrel 100mg Tablet

Elements of your daily lifestyle may have an effect on the medications you are taking. Drug interactions can result in unwanted side effects, reduce the effectiveness of your medicine or possibly increase the action of a particular medicine.

Major Lifestyle Interaction
Alcohol and Symmetrel 100mg Tablet(Amantadine Hydrochloride)
Alcohol and Amantadine Hydrochloride(Amantadine Hydrochloride)
Avoid alcohol-containing drinks while taking Amantadine. If you have drink alcoholic drinks while taking Amantadine you may experience dizziness, confusion, or lightheadedness and fainting, especially when standing. If you take an extended-release product of amantadine, you might especially experience serious side effects.
Major Lifestyle Interaction
Caffeine-containing Foods/Beverages and Symmetrel 100mg Tablet(Amantadine Hydrochloride)
Caffeine-containing Foods/Beverages and Amantadine Hydrochloride(Amantadine Hydrochloride)
Limit Caffeine use while taking Amantadine. This includes limiting caffeine intake in foods (examples coffees, colas, teas, and chocolate), in medicines, and in herbal supplements.
Pregnancy & Lactation Information
First Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Second Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Third Trimester

Class C - Animal studies have shown an adverse effect and there are no adequate and well-controlled studies in pregnant women. OR No animal studies have been conducted and there are no adequate and well-controlled studies in pregnant women.

Lactation

Avoid - This drug is known to cause harm to infants when taken by nursing mothers.


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