In the controlled clinical trials, mild pain (including transient burning and stinging) was reported by about 30% of patients in both the active and placebo arms; treatment was discontinued in 2 of these patients. Local pruritus occurred in 4% of these patients. In all studies, there was no significant difference between the drug and placebo group in the rate or type of reported adverse reactions nor were there any differences in abnormal clinical laboratory findings.
Observed During Clinical Practice: Based on clinical practice experience in patients treated with acyclovir ointment 5% in the US, spontaneously reported adverse events are uncommon. Data are insufficient to support an estimate of their incidence or to establish causation. These events may also occur as part of the underlying disease process. Voluntary reports of adverse events that have been received since market introduction include:
General: Edema and/or pain at the application site.
Skin: Pruritus, rash.
To report SUSPECTED ADVERSE REACTIONS, contact NorthStar Rx LLC at 1-800-206-7821 or FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.
Overdosage by topical application of acyclovir ointment 5% is unlikely because of limited transcutaneous absorption (see CLINICAL PHARMACOLOGY).
Apply sufficient quantity to adequately cover all lesions every 3 hours, 6 times per day for 7 days. The dose size per application will vary depending upon the total lesion area but should approximate a one-half inch ribbon of ointment per 4 square inches of surface area. A finger cot or rubber glove should be used when applying acyclovir ointment 5% to prevent autoinoculation of other body sites and transmission of infection to other persons. Therapy should be initiated as early as possible following onset of signs and symptoms.
Acyclovir Ointment, USP 5% is supplied as a white color ointment. Each gram of acyclovir ointment, USP 5% contains 50 mg acyclovir, USP in a polyethylene glycol base.
It is supplied as follows:
15 g tubes (NDC 16714-668-01)
30 g tubes (NDC 16714-668-02)
Store at 20° to 25°C (68° to 77°F) [see USP Controlled Room Temperature]. Store in a dry place.
Northstar Rx LLC
Memphis, TN 38141.
Amneal Pharmaceuticals LLC
Piscataway, NJ 08854.
| ACYCLOVIR |
|Labeler — NorthStar Rx LLC (830546433)|
Revised: 11/2019 NorthStar Rx LLC
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