Coal Tar

Coal tar is a medication used to treat skin conditions such as psoriasis, eczema, and dandruff. It helps reduce itching, scaling, and inflammation by slowing down skin cell growth. If you’ve been prescribed or recommended coal tar, here’s what you need to know.

What is coal tar?

Coal tar is a topical treatment derived from coal, used for its anti-inflammatory and anti-scaling properties in various skin conditions.

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How does coal tar work?

Coal tar slows down excessive skin cell growth and reduces inflammation, helping to relieve symptoms such as itching, scaling, and redness.

What is coal tar used to treat?

Coal tar is commonly prescribed for:

  • Psoriasis (to reduce scaling, itching, and inflammation)
  • Eczema (to soothe and reduce flare-ups)
  • Seborrhoeic dermatitis (dandruff) (to relieve scalp itching and flaking)
  • Other chronic skin conditions

Who can use coal tar?

Coal tar is suitable for most adults and children, as prescribed by a doctor or recommended by a pharmacist.

Who might not be able to use coal tar?

Coal tar may not be suitable if you:

  • Have a known allergy to coal tar or related ingredients
  • Have open wounds or broken skin
  • Are sensitive to sunlight (as coal tar can make skin more sensitive to UV rays)

Can I use coal tar if I’m pregnant or breastfeeding?

Coal tar may be used during pregnancy and breastfeeding, but speak to your doctor before use, especially on large areas of skin.

What if I miss a dose?

If you forget to apply coal tar, use it as soon as you remember. If it’s close to your next dose, skip the missed one—do not apply extra to make up for it.

How effective is coal tar?

Coal tar is highly effective at reducing symptoms of psoriasis, eczema, and dandruff when used regularly.

What should I do if I use too much?

Using too much coal tar can cause skin irritation, redness, or a burning sensation. If symptoms persist, seek medical advice.

What dose of coal tar is usually used?

  • For psoriasis and eczema: Apply a thin layer to affected areas once or twice daily
  • For dandruff: Use as a shampoo, massaging into the scalp and leaving for a few minutes before rinsing

Your doctor or pharmacist will advise on the correct usage for your condition.

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What are the side effects of coal tar?

Common side effects include:

  • Skin irritation or redness
  • Increased sensitivity to sunlight
  • Temporary skin staining
  • Unpleasant smell

Serious side effects, such as severe skin reactions or allergic reactions, require urgent medical attention.

How should I use coal tar?

Coal tar is available as creams, ointments, shampoos, and bath additives. Follow these steps for proper use:

  • Wash the affected area before applying.
  • Apply a thin layer and gently rub it in.
  • Avoid sun exposure after applying.

If using a shampoo, leave it on the scalp for a few minutes before rinsing.

When should coal tar be used?

Coal tar should be applied at the same time each day, as prescribed or recommended.

What are the brand names for coal tar?

Coal tar is available as a generic treatment, but some branded versions include:

  • Polytar (shampoo)
  • Alphosyl (cream and shampoo)
  • Capasal (scalp treatment)

Final thoughts

Coal tar is an effective treatment for psoriasis, eczema, and dandruff, but it should be used exactly as prescribed to avoid skin irritation. If side effects occur, speak to your doctor or pharmacist.

Always consult a medical professional
This article is for informational purposes only and is not a substitute for medical advice. Always consult a healthcare professional before starting, stopping or changing any medication. If you have concerns about your medication or experience side effects, speak to your doctor or pharmacist immediately.

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