Nizoral Side Effects | Drugs.com A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Please note - some side effects for Nizoral may not be reported. Always consult your doctor or healthcare specialist for medical advice. You may also report side effects to the FDA at http://www.fda.gov/medwatch/ or 1-800-FDA-1088 (1-800-332-1088).Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); bloating; dark urine; decreased sexual ability; depression; irregular heartbeat; fever, chills, or persistent sore throat; loss of appetite; numbness or tingling of the hands or feet; pale stools; severe or persistent nausea or stomach pain; swollen or tender abdomen; thoughts of suicide; unusual bruising or bleeding; unusual tiredness or fatigue; vision changes; vomiting; yellowing of the skin or eyes.In 11 double-blind trials in 264 patients using ketoconazole 2% shampoo for the treatment of dandruff or seborrheic dermatitis, an increase in normal hair loss and irritation occurred in less than 1% of patients. In three open-label safety trials in which 41 patients shampooed 4-10 times weekly for six months, the following adverse experiences each occurred once: abnormal hair texture, scalp pustules, mild dryness of the skin, and itching. As with other shampoos, oiliness and dryness of hair and scalp have been reported. In a double-blind, placebo-controlled trial in which patients with tinea versicolor were treated with either a single application of Nizoral (ketoconazole) 2% Shampoo (n=106), a daily application for three consecutive days (n=107), or placebo (n=105), drug-related adverse events occurred in 5 (5%), 7 (7%) and 4 (4%) of patients, respectively. The only events that occurred in more than one patient in any one of the three treatment groups were pruritus, application site reaction, and dry skin; none of these events occurred in more than 3% of the patients in any one of the three groups.
