|Typical Brand Names:
Acyclovir is an antiviral drug which acts against the Herpes viruses, including herpes simplex 1 and 2 (cold sores and genital herpes), varicella-zoster (shingles and chicken pox), and the Epstein-Barr virus (mononucleosis). Acyclovir inhibits the replication of viral DNA needed to reproduce itself. Virally infected cells absorb more acyclovir than normal cells and convert more of it to an active form which prolongs its antiviral activity where it is most needed.
|Acyclovir 200 mg - 30 Caps
|Acyclovir 200 mg - 90 Caps
|Acyclovir 400 mg - 30 Pills
|Acyclovir 400 mg - 90 Pills
|Acyclovir 800 mg - 30 Tabs
|Acyclovir 800 mg - 90 Tabs
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Acyclovir Directions To Use
Acyclovir tablets or capsules should be taken by mouth, following the directions on the prescription label. Swallow whole with a full glass of water. Take your doses at regular intervals, with or without food, not more often than directed. Finish the full course prescribed by your prescriber or health care professional even if you think your condition is better. Do not stop taking except on your prescriber's advice. Special care may be needed for use of this medicine in children, contact your pediatrician or health professional.
Acyclovir Warnings and Side Effects
Patients with renal impairment need dosage adjustments. Caution should also be exercised to patients receiving potentially nephrotoxic agents (this may increase the risk of renal dysfunction and/or the risk of reversible central nervous system symptoms such as those that have been reported in patients treated with intravenous acyclovir). Patients should consult with their physician if any adverse reactions occurs, also if they become pregnant or intend to become pregnant, they intend to breastfeed while taking orally administered Acyclovir, or they have any other questions.
Herpes Zoster: There are no data on treatment initiated more than 72 hours after onset of the zoster rash. Patients should be advised to initiate treatment as soon as possible after a diagnosis of herpes zoster.
Genital Herpes Infections: Acyclovir is not a cure for genital herpes.
Chickenpox: Chickenpox in otherwise healthy children is usually a self-limited disease of mild to moderate severity. Adolescents and adults tend to have more severe disease. Treatment was initiated within 24 hours of the typical chickenpox rash in the controlled studies, and there is no information regarding the effects of treatment begun later in the disease course.
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using acyclovir and call your doctor at once if you have any of these serious side urinating less than usual or not at all;
- easy bruising or bleeding;
- unusual weakness.
Continue using acyclovir and talk with your doctor if you have any of these less serious side effects:
- nausea, vomiting, diarrhea, loss of appetite, stomach pain;
- headache, feeling light-headed; or
- swelling in your hands or feet.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
Acyclovir Missed Dose
If you miss a dose of Acyclovir, take it as soon as possible. If it is almost time for your next Acyclovir dose, skip the missed Acyclovir dose and go back to your regular Acyclovir dosing schedule. Do not take 2 doses of Acyclovir at once.
Store at room temperature between 15° and 25°C (59° and 77°F). Protect from light and moisture. Keep out of the reach of children. Throw away any unused medicine after the expiration date.
Agitation, coma, seizures, and lethargy may occur in association with overdosage. Overdosage has been reported following bolus injections or inappropriately high doses and in patients whose fluid and electrolyte balance were not properly monitored. This has resulted in elevated BUN and serum creatinine and subsequent renal failure. In the event of acute renal failure and anuria, the patient may benefit from hemodialysis until renal function is restored
Acyclovir More Information
Tell your prescriber or health care professional about all other medicines you are taking, including non-prescription medicines, nutritional supplements, or herbal products. Also tell your prescriber or health care professional if you are a frequent user of drinks with caffeine or alcohol, if you smoke, or if you use illegal drugs. These may affect the way your medicine works. Check with your health care professional before stopping or starting any of your medicines. Follow the directions for using Acyclovir provided by your doctor.
This drug information is for your information purposes only, it is not intended that this information covers all uses, directions, drug interactions, precautions, or adverse effects of your medication. This is only general information, and should not be relied on for any purpose. It should not be construed as containing specific instructions for any particular patient. We disclaim all responsibility for the accuracy and reliability of this information, and/or any consequences arising from the use of this information, including damage or adverse consequences to persons or property, however such damages or consequences arise. No warranty, either expressed or implied, is made in regards to this information.