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This medication is used to prevent itching of the eyes due to allergies. Alcaftadine is an antihistamine. It works by blocking a certain natural substance (histamine) that causes allergic symptoms.
Do not use this medication to treat red or irritated eyes due to wearing contact lenses. Contact your doctor for further instructions if this occurs.
Apply this medication in both eyes as directed by your doctor, usually once a day.
Wash your hands before each use. To avoid contamination, do not touch the dropper tip or let it touch your eye or any other surface.
The preservative in this product may be absorbed by contact lenses. If you wear contact lenses, remove them before using this medication and keep them out of your eyes for at least 10 minutes after each dose. Do not wear contact lenses if your eyes are red.
Tilt your head back, look upward, and pull down the lower eyelid to make a pouch. Hold the dropper directly over your eye and place one drop into the pouch as directed by your doctor. Look downward, gently close your eyes, and place one finger at the corner of your eye (near the nose). Apply gentle pressure for 1 to 2 minutes before opening your eyes. This will prevent the medication from draining out. Try not to blink or rub your eye. Repeat these steps for your other eye.
Do not rinse the dropper. Replace the dropper cap after each use.
If you are using another kind of eye medication (for example, other drops or ointments), wait at least 5 minutes before applying other medications. Use eye drops before eye ointments to allow the drops to enter the eye.
Use this medication regularly to get the most benefit from it. To help you remember, use it at the same time each day.
Do not use this product if it becomes contaminated (for example, drops turn a dark color). Using contaminated eye medication can cause infection, serious damage to the eye, and loss of vision. Contact your doctor or pharmacist for more information.
Tell your doctor if your condition does not improve in a few days or if it worsens.
Mild and temporary burning/stinging of the eyes may occur when you apply this medication. If this effect persists or worsens, tell your doctor or pharmacist promptly.
Remember that your doctor has prescribed this medication because he or she has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects.
A very serious allergic reaction to this drug is rare. However, get medical help right away if you notice any symptoms of a serious allergic reaction, including: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
Before using alcaftadine, tell your doctor or pharmacist if you are allergic to it; or if you have any other allergies. This product may contain inactive ingredients, which can cause allergic reactions or other problems. Talk to your pharmacist for more details.
Before using this medication, tell your doctor or pharmacist your medical history, especially of: contact lens use.
After you apply this drug, your vision may be temporarily unclear. Do not drive, use machinery, or do any activity that requires clear vision until you are sure you can perform such activities safely.
Before having surgery, tell your doctor or dentist about all the products you use (including prescription drugs, nonprescription drugs, and herbal products).
If you develop an eye infection or eye injury, or require eye surgery, ask your doctor if you should continue to use your current bottle of alcaftadine eye drops or start a new bottle.
During pregnancy, this medication should be used only when clearly needed. Discuss the risks and benefits with your doctor.
It is unknown if this drug passes into breast milk. Consult your doctor before breast-feeding.
Keep the bottle tightly closed and store at room temperature. Do not store in the bathroom. Keep all medications away from children and pets.
Do not flush medications down the toilet or pour them into a drain unless instructed to do so. Properly discard this product when it is expired or no longer needed. Consult your pharmacist or local waste disposal company.
Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.
This medicine may be harmful if swallowed. If someone has overdosed and has serious symptoms such as passing out or trouble breathing, call 911. Otherwise, call a poison control center right away. US residents can call their local poison control center at 1-800-222-1222. Canada residents can call a provincial poison control center.
If you miss a dose, use it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.
Do not share this medication with others.
Ask your doctor about additional ways to reduce your symptoms (such as minimizing your exposure to allergens, using cold compresses and lubricating eye drops).