| drug name | Pyrithione Zinc Shampoo |
| classification | Anti-dandruff agent, topical antifungal |
| pharmacokinetics | Pyrithione zinc is primarily absorbed by the skin, with minimal systemic absorption. It is largely excreted in the urine. The exact mechanism of action is not completely understood, but it appears to inhibit fungal growth and reduce inflammation. |
| suggested dosage | Apply a small amount of shampoo to wet hair, massage gently, and leave for a few minutes. Rinse thoroughly. |
| indications | Treatment of dandruff (seborrheic dermatitis), seborrheic dermatitis on the scalp. Note: It is not effective for all cases of dandruff. Consult with a dermatologist for severe or persistent cases. |
| safety in pregnancy | Limited data available. While generally considered safe during pregnancy, it is best to consult with a healthcare professional before use. Do not use if you are breastfeeding unless directed by a medical professional. |
| safety in breastfeeding | Limited data available. Potential for low-level transfer to breast milk. Consult with a healthcare professional before use. |
| side effects | | 1 | Skin irritation (e.g., redness, itching, burning) | | 2 | Dryness of scalp or hair | | 3 | Hair loss (rare) | | 4 | Allergic reactions (rash, hives, swelling) | | 5 | Temporary hair discoloration or hair staining in certain hair colours |
|
| alternatives | |
| contraindications | | 1 | Known hypersensitivity or allergy to pyrithione zinc or other ingredients in the shampoo | | 2 | Significant skin conditions that are not related to dandruff, where a topical treatment is inappropriate |
|
| interactions | No significant drug interactions are known, but there is a risk of interaction with other topical medications. Consult your dermatologist or healthcare provider if using any other topical treatments. |
| warnings and precautions | | 1 | Avoid contact with eyes. If contact occurs, flush immediately with water. | | 2 | Do not use in large amounts. | | 3 | If irritation persists, discontinue use and consult a healthcare professional. | | 4 | If you experience allergic reaction, discontinue use and seek medical attention immediately. | | 5 | Test on a small patch of skin first before applying to the entire scalp, especially if you have sensitive skin. | | 6 | Use as directed on the product packaging or as recommended by your healthcare provider. |
|
| additional information | Pyrithione zinc shampoo is generally a safe and effective treatment for dandruff. However, it is essential to use it appropriately and to be aware of potential side effects. Proper adherence to the suggested usage, monitoring the condition, and discussing any concerns with a healthcare provider are key. |
| patient details | |
