Clinical toxicity of valganciclovir, which is metabolized to ganciclovir, includes granulocytopenia, anemia, and thrombocytopenia. (See Warnings under Cautions.)
In animal studies, ganciclovir was carcinogenic, teratogenic, and caused aspermatogenesis. (See Warnings under Cautions.)
VALGANCICLOVIR (val gan SYE kloh veer) is an antiviral medicine. It is used to treat or prevent infections caused by certain kinds of viruses. It is commonly used to treat and prevent cytomegalovirus (CMV) infections of the eye and body.
This medicine may be used for other purposes; ask your health care provider or pharmacist if you have questions.
What should I tell my health care provider before I take this medicine?
They need to know if you have any of these conditions:
Take this medicine by mouth with a full glass of water. Follow the directions on the prescription label. Take with food. Do not chew or crush. Do not touch broken tablets with bare hands. Wash skin with soap and water if broken tablets touch your skin. Take your medicine at regular intervals. Do not take your medicine more often than directed. Take all of your medicine as directed even if you think you are better. Do not skip doses or stop your medicine early.
Talk to your pediatrician regarding the use of this medicine in children. While this drug may be prescribed for children as young as 4 months for selected conditions, precautions do apply.
Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once.
NOTE: This medicine is only for you. Do not share this medicine with others.
What if I miss a dose?
If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.
This list may not describe all possible interactions. Give your health care provider a list of all the medicines, herbs, non-prescription drugs, or dietary supplements you use. Also tell them if you smoke, drink alcohol, or use illegal drugs. Some items may interact with your medicine.
What should I watch for while using this medicine?
Visit your doctor or health care professional for regular check ups. Discuss any new symptoms with your doctor. You will need to have important blood work done while on this medicine. If you have a CMV eye infection have your eyes checked every 4 to 6 weeks.
Drink 6 to 8 glasses of water or fluids daily while taking this medicine to help prevent side effects.
This medicine may cause birth defects to the unborn child if taken during pregnancy. Use contraception while taking this medicine. If you think you may have become pregnant and are taking this medicine, contact your doctor right away. Males must use barrier contraception during therapy and for 90 days after stopping this medicine.
You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. Do not stand or sit up quickly, especially if you are an older patient. This reduces the risk of dizzy or fainting spells.
What side effects may I notice from receiving this medicine?
Side effects that you should report to your doctor or health care professional as soon as possible:
Side effects that usually do not require medical attention (report to your doctor or health care professional if they continue or are bothersome):
constipation
cough or runny nose
diarrhea
loss of appetite
nausea
stomach pain
trouble sleeping
vomiting
This list may not describe all possible side effects. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
Where should I keep my medicine?
Keep out of the reach of children.
Store at room temperature between 15 to 30 degrees C (59 to 86 degrees F). Throw away any unused medicine after the expiration date.
NOTE:This sheet is a summary. It may not cover all possible information. If you have questions about this medicine, talk to your doctor, pharmacist, or health care provider.
Remember, keep this and all other medicines out of the reach of children,
never share your medicines with others, and use this medication only for the indication prescribed.
