General MedicineOTC AvailablePregnancy Cat. Not classifiedFDA Yes
Pyrithione Zinc
CVS
Uses Helps prevent recurrence of scalp itching, flaking andredness associated with dandruff.
Medically reviewed by MedCentralHub Medical Review Board, Licensed Pharmacists & Physicians ·
Brand names:Pyrithione Zinc
Quick Reference
Medicine ClassGeneral Medicine
FDA ApprovedYes
PregnancyCategory Not classified
Quick Facts
- Active ingredient
- CVS
- Medicine class
- General Medicine
- Brand names
- Pyrithione Zinc
- Availability
- Over-the-counter (OTC)
- Pregnancy category
- Not classified
- FDA approved
- Yes
What Is Pyrithione Zinc?
Uses Helps prevent recurrence of scalp itching, flaking andredness associated with dandruff.
Pyrithione Zinc (CVS) belongs to the General Medicine class of medications. It was first approved by the FDA in Yes. This medication is available over-the-counter without a prescription.
Key Safety Information
- •Always follow the dose recommended by your healthcare professional. Taking more than prescribed increases the risk of side effects including serious complications.
- •Seek emergency care if you experience signs of an allergic reaction — hives, swelling, difficulty breathing, or rash. Stop the medication and call your doctor immediately.
- •Some medications can increase the risk of cardiovascular events. Tell your doctor if you have high blood pressure, a history of heart attack or stroke, or any pre-existing health condition.
- •Avoid or limit alcohol while taking Pyrithione Zinc. Do not drink alcohol without first discussing it with your healthcare provider as it may increase adverse effects.
- •Take Pyrithione Zinc with food or a full glass of water if stomach upset occurs. Stop use and talk to your doctor if you experience persistent stomach pain or GI symptoms.
- •Tell your doctor about all medications, supplements, and vitamins you take. Some combinations significantly increase the risk of harm.
This is a summary only. Always read the full prescribing information and consult your healthcare provider for personalized medical advice.
Uses & Indications
Pyrithione Zinc is prescribed for the following conditions. Some uses are FDA-approved indications; others may be evidence-based off-label uses. Consult your healthcare provider for personalized guidance.
Uses Helps prevent recurrence of scalp itching, flaking andredness associated with dandruff.
Dosage Guide
The following are general dosing guidelines only. Your actual dose should be determined by your healthcare provider based on your condition, renal/hepatic function, and other medications.
AD
Adult Dosage
Directions for best results, use at least twice weekly or as directed by the physician. Apply to wet skin and/or scalp and massage to form a lather. Leave lather on for few minutes. Rinse thoroughly and repeat if necessary.
Available Forms
Available Strengths
Side Effects
Common
Serious
- Warnings For external use only When using this product avoid contact with eyes.
- If contact occurs, rise eyes thoroughly with water.
- Stop use and ask a doctor if condition worsen or does not improve after regular use of this product as directed.
- Keep out of reach of children.
- In case of accidental ingestion, get medical help or contact a Poison Comtrol Center immediately.
Rare
Medicine Interactions
Always inform your healthcare provider and pharmacist about ALL medications you take, including prescriptions, OTC medicines, vitamins, and supplements.
MajorModerateMinor
Warnings & Contraindications
Warnings For external use only When using this product avoid contact with eyes. If contact occurs, rise eyes thoroughly with water. Stop use and ask a doctor if condition worsen or does not improve after regular use of this product as directed. Keep out of reach of children. In case of accidental ingestion, get medical help or contact a Poison Comtrol Center immediately.
How Pyrithione Zinc Works
Pharmacokinetics
Pregnancy & Breastfeeding Safety
Not classified
Breastfeeding
Many medications pass into breast milk in varying amounts. Before using Pyrithione Zincwhile breastfeeding, discuss the benefits and risks with your healthcare provider or pharmacist — they can weigh your dose, your infant's age, and available lactation safety data to find the safest option for you and your baby.
Storage & Handling
Store at room temperature. Keep away from moisture and heat. Keep out of reach of children.
Frequently Asked Questions
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- Detail
Pyrithione Zinc dosage guide
Adult, pediatric, renal, and hepatic dosing for Pyrithione Zinc
- Detail
Pyrithione Zinc side effects
Complete adverse effect profile including common, serious, and rare reactions
Sources & References
- • FDA Prescribing Information — Official labeling and package insert for Pyrithione Zinc
- • U.S. National Library of Medicine — MedlinePlus drug information
- • American Hospital Formulary Service (AHFS) — Clinical pharmacology monograph
- • PubMed / MEDLINE — View clinical studies
Last reviewed by MedCentralHub Medical Review Board · MedCentralHub Editorial Policy
Medical Disclaimer
The information on this page is for educational purposes only and is not intended as medical advice, diagnosis, or treatment. Always consult your doctor, pharmacist, or qualified healthcare provider before starting, stopping, or changing any medication.