Controlled Clinical Trials
Systemic Adverse Effects: In controlled clinical trials of patients treated with Doxepin HCl Cream 5%, the most common systemic adverse effect reported was drowsiness. Drowsiness occurred in 22% of patients treated with Doxepin HCl Cream 5% (and 2% of patients treated with placebo cream) and resulted in the premature discontinuation of the drug in approximately 5% of patients treated.
Other systemic adverse effects reported in approximately 1 to 10% of these patients included: Dry mouth, dry lips, thirst, headache, fatigue, dizziness, emotional changes, and taste changes.
Other systemic adverse effects reported in less than 1% of these patients included: Nausea, anxiety and fever.
Local Site Adverse Effects: In controlled clinical trials of patients treated with Doxepin HCl Cream 5%, the most common local site adverse effect reported was burning and/or stinging at the site of application. These occurred in approximately 21% of these patients. Most of these reactions were categorized as "mild"; however, approximately 25% of patients who reported burning and/or stinging reported the reaction as "severe". Four patients treated with Doxepin HCl Cream 5% withdrew from the study because of the burning and/or stinging.
Other local site adverse effects reported in approximately 1 to 10% of these patients included: Pruritus exacerbation, eczema exacerbation, dryness and tightness to skin, paresthesias, and edema.
Other local site adverse effects reported in less than 1% of these patients included: Irritation, tingling, scaling, and cracking.
Post Marketing Experience
Some cases of allergic contact dermatitis have been reported in patients using Doxepin HCl 5% cream.