This medication is typically used for an eye infection caused by cytomegalovirus (CMV). It requires several days to take effect.Find a Pharmacy
This medication is typically used twice a day. However, your doctor or pharmacist may have suggested a different schedule that is more appropriate for you. Important: Follow the instructions on the label. Do not use more of this product, or more often, than prescribed.
This medication should be swallowed whole. It should not be split, crushed or chewed. It must be used regularly and continuously to maintain its beneficial effects. Be sure to keep an adequate supply on hand.
If you forget a dose, take it as soon as you remember -- unless it is almost time for your next dose. In that case, skip the missed dose. Do not double the next dose to catch up. This medication is more effective if taken with food. Always take it with a meal or a snack.
In addition to its desired action, this medication may cause some side effects, notably:
- it may cause anemia (low red blood cells);
- it may cause diarrhea;
- it may lower your white blood cell count, which can lead to fever, chills, sore throat or infections -- if you experience any of these symptoms, contact your doctor right away.
- it may cause headaches;
- it may cause nausea and vomiting;
Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your doctor or pharmacist. He or she can help you to determine whether or not the medication is the source of the problem.
As with most medications, this product should be stored at room temperature. Store it in a secure location where it will not be exposed to excessive heat, moisture or direct sunlight. Make sure that any leftover portion is disposed of safely.
Taking this medication during pregnancy may be harmful for the baby. Women of childbearing potential should use an effective contraceptive method during treatment and men who are taking the medication should use an effective contraceptive method during treatment and for several months after the end of it. Ask your healthcare professional for details.
Blood donation is usually refused during this treatment.
A treatment with this medication requires regular monitoring by a doctor. Be sure to see your doctor for all regularly scheduled appointments.
When meeting with any health professional, it is important for you to share the following information:
- Your medical history and allergies (medication, food, or other);
- If you're pregnant or want to become pregnant, or if you're breastfeeding;
- If you use tobacco or cannabis or its derivatives, or if you use recreational drugs;
- The names of all the medications you take, whether you take them regularly or once in a while, including over-the-counter medications, vitamins, and natural health products.