Generic Name: acyclovir (ay-SYE-kloe-vir)
Brand Name: Sitavig
Acyclovir tablets is used for:
Treating cold sores (herpes labialis). It may also be used for other conditions as determined by your doctor.
Acyclovir tablets is an antiviral. It works by stopping viral replication. However, acyclovir tablets does not eliminate the virus, is not a cure, and does not prevent transmission to others.
Do NOT use acyclovir tablets if:
- you are allergic to any ingredient in acyclovir tablets or to milk protein concentrate
Contact your doctor or health care provider right away if any of these apply to you.
Before using acyclovir tablets:
Some medical conditions may interact with acyclovir tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
Some MEDICINES MAY INTERACT with acyclovir tablets. Because little, if any, of acyclovir tablets is absorbed into the blood, the risk of it interacting with another medicine is low.
Ask your health care provider if acyclovir tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use acyclovir tablets:
Use acyclovir tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet and detailed instructions for use is available with acyclovir tablets. Talk to your pharmacist if you have questions about this information.
- Use acyclovir tablets within 1 hour after you have the first symptoms of a cold sore (eg, itching, redness, burning, or tingling).
- To use acyclovir tablets, peel back the foil on the blister pack and place the tablet on the upper gum above the incisor tooth. Place acyclovir tablets on the same side of the mouth as the cold sore symptoms. Do not apply to the inside of the lip or cheek. To help the tablet stick to your gum, hold the tablet in place by applying slight pressure with your finger on the outside of your lip for about 30 seconds. Leave the tablet in place until it dissolves.
- Do not crush, suck, chew, or swallow acyclovir tablets.
- You may eat, drink, or rinse your mouth with water while this tablet is in place. After it has been applied, do not touch or press the tablet, wear dentures, chew gum, or brush your teeth until the tablet has dissolved.
- Drink more liquids if your mouth becomes dry while using acyclovir tablets.
- If the tablet does not stick or falls off within the first 6 hours after you apply it, place it back onto your upper gum. If it still does not stick, apply a new tablet.
- If you swallow acyclovir tablets within the first 6 hours of applying it, drink a glass of water and place a new tablet onto your upper gum.
- Do not remove the tablet from the blister pouch until you are ready to take it. Make sure that your hands are dry when you open the blister pack. Do not push the tablet through the foil. Take the tablet immediately after opening the blister pack. Do not store the removed tablet for future use.
- Only 1 dose of acyclovir tablets is required. If you forget to use acyclovir tablets, use it as soon as you remember.
Ask your health care provider any questions you may have about how to use acyclovir tablets.
Important safety information:
- Acyclovir tablets is not a cure for cold sores and will not prevent the virus from spreading.
- Acyclovir tablets should be used with extreme caution in CHILDREN; safety and effectiveness in children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using acyclovir tablets while you are pregnant. It is not known if acyclovir tablets is found in breast milk. If you are or will be breast-feeding while you use acyclovir tablets, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of acyclovir tablets:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Headache; mild pain at the application site.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue).
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately.Proper storage of acyclovir tablets:
Store acyclovir tablets at room temperature, between 68 and 77 degrees F (20 and 25 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep acyclovir tablets out of the reach of children and away from pets.
- If you have any questions about acyclovir tablets, please talk with your doctor, pharmacist, or other health care provider.
- Acyclovir tablets is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take acyclovir tablets or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about acyclovir tablets. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to acyclovir tablets. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using acyclovir tablets.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.
More about acyclovir
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- Acyclovir suspension
- Acyclovir injection
- Acyclovir Buccal mucosa (Advanced Reading)
- Acyclovir Oral, Intravenous (Advanced Reading)
- Other brands: Zovirax