Can ketoconazole cause redness?
If you use too much ketoconazole shampoo or cream, or use it more often than you need to, it may make your skin irritated or red. If this happens, use less the next time.
Does ketoconazole irritate skin?
Stop using this medicine and check with your doctor right away if you or your child have a skin rash, burning, stinging, swelling, or irritation on the skin.
Can you be allergic to ketoconazole?
Ketoconazole is a widely used imidazole antifungal agent. True contact allergy to topical ketoconazole is rare, and few cases of patients with contact allergy to ketoconazole have been reported.
Why is ketoconazole red?
It contains FD&C Red No. 40, a synthetic azo dye that has been approved by the U.S. Food and Drug Administration for use in food, cosmetics, and medications (Doell et al., 2016). FD&C Red No. 40 is the only colored ingredient in ketoconazole shampoo and the most likely cause of this patient’s hair discoloration.
What does an allergic reaction to ketoconazole look like?
A very serious allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of a serious allergic reaction may include: rash, itching/swelling (especially of the face/tongue/throat), severe dizziness, trouble breathing.
Can antifungal cream irritate skin?
Burning, stinging, swelling, irritation, redness, pimple-like bumps, tenderness, or flaking of the treated skin may occur.
What is a common concern when taking ketoconazole?
Patients taking ketoconazole tablets should seek medical attention right away if they experience any of these signs and symptoms of liver problems, which include loss of appetite, nausea, vomiting, or abdominal discomfort; yellowing of the skin or the whites of the eyes (jaundice); unusual darkening of the urine or …
Can antifungal cream make rash worse?
If you use too much clotrimazole cream, spray or solution or use it more often than you need to, it may make your skin red or irritated. If this happens, use less the next time.
Should antifungal cream burn?
Antifungal creams, sprays, liquids and shampoos. These usually cause no side-effects and are easy to use. Occasionally some people get a little bit of itch, burning or redness where the antifungal preparation has been applied. If this is severe, you should stop using it.
How long does it take for ketoconazole to get out of your system?
Elimination is biphasic, with a half-life of two hours during the first 10 hours following a dose, and a half-life of eight hours thereafter. Ketoconazole is metabolized by the hepatic microsomal oxidation system; metabolites are excreted renally.
What is the black box warning for ketoconazole?
The US Food and Drug Administration (FDA) is warning clinicians against the off-label prescribing of ketoconazole tablets (Nizoral, Janssen Pharmaceuticals) to treat skin and nail fungal infections because the risk for serious liver damage and death outweighs the benefits.
What are the major side effects of ketoconazole?
Serious side effects
- loss of appetite or weight loss (anorexia)
- nausea or vomiting.
- stomach pain or tenderness.
- dark-colored urine or light-colored stools.
- yellowing of your skin or the whites of your eyes.
What are the side effects of ketoconazole?
What conditions does ketoconazole treat?
ketoconazole is used to treat serious fungal or yeast infections, such as candidiasis (thrush, oral thrush), blastomycosis (gilchrist’s disease), coccidioidomycosis (valley fever, san joaquin valley fever), histoplasmosis (darling’s disease), chromoblastomycosis (chromomycosis), or paracoccidioidomycosis (south american blastomycosis, …
How long do you leave the ketoconazole cream on the skin?
Ketoconazole cream is usually applied once a day for 2 to 6 weeks. Prescription ketoconazole shampoo is usually applied one time to treat the infection. Over-the-counter ketoconazole shampoo is usually used every 3 to 4 days for up to 8 weeks, and then used as needed to control dandruff.
What is ketoconazole used to treat?