OVERDOSE: If overdose is suspected, contact your local poison control center or emergency room immediately. US residents can call the US national poison hotline at 1-800-222-1222. Canadian residents should call their local poison control center directly. Symptoms of overdose may include: nausea; vomiting; dizziness; slurring of speech; blurred vision; numbness/tingling/burning of arms, hands, legs, or feet; joint pain; hallucinations; loss of consciousness.

NOTES: Periodic eye tests may be done while you are taking this medication.

MISSED DOSE: If you miss a dose, use it as soon as remembered; do not use if it is almost time for the next dose. Instead, skip the missed dose and resume your usual dosing schedule. Do not "double-up" the dose to catch up.

STORAGE: Store at room temperature away from moisture and sunlight.

Report Problems to the Food and Drug Administration You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088. Need help identifying pills and medications? Use the pill identifier tool on RxList.