Drug: amantadine

The most frequent side effects associated with amantadine that can appear after a few hours or several days of therapy include:
  • dizziness,
  • loss of coordination,
  • inability to sleep,
  • nervousness,
  • nausea, and
  • vomiting.
Less common side effects include:
  • headache,
  • irritability,
  • nightmares,
  • depression,
  •  confusion,
  • drowsiness,
  • hallucinations,
  • weakness,
  • amnesia,
  • slurred speech,
  • diarrhea,
  • constipation,
  • loss of appetite, and
  • discolorations in the eye.

Source: http://www.medicinenet.com

Yes

Source: http://www.medicinenet.com

Capsule: 100 mg. Syrup: 50 mg/5 ml (teaspoon).

Source: http://www.medicinenet.com

Amantadine should be stored at room temperature between 15-30 C (59- 86 F).

Source: http://www.medicinenet.com

Amantadine is taken once or twice daily with or without food. If it causes an upset stomach, it can be taken with food. The dosage for prevention and treatment of influenza A infections in adults is 200 mg daily. For treatment of influenza, amantadine should be started within 24 to 48 hours after the onset of signs or symptoms and should be continued for 24 to 48 hours after the disappearance of signs or symptoms. To prevent influenza, amantadine should be started as soon as possible after exposure to the influenza virus and continued for at least 10 days. Persons with reduced kidney function and elderly persons may need lower doses (or less frequent doses). The dosage for treating Parkinson's or extrapyramidal symptoms is 100 mg twice daily.

Source: http://www.medicinenet.com

No well-controlled studies have been done in pregnant women to evaluate amantadine's safety. Physicians may choose to use amantadine during pregnancy when the potential benefits outweigh the potential but unknown risks to the fetus.

Source: http://www.medicinenet.com

Amantadine is excreted into breast milk in low concentrations. Although no information is available on the effects in infants, the manufacturer recommends that amantadine be used cautiously in women who are breastfeeding. Reference: FDA Prescribing Information
Last Editorial Review: 3/26/2012

Source: http://www.medicinenet.com

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