2. There are A LOT of different Coal Tar products.
Coal Tar is available in many formulations, including liquid, soap, cleansing bar, solution, emulsion, shampoo, lotion, cream, foam, gel, ointment, and solution products.2 You may have seen Coal Tar products under the following brand names:2
3. Many Coal Tar treatments are available without a prescription.
While most Coal Tar products are available over-the-counter, some formulations require a prescription,1,2 so be sure to ask your doctor about which Coal Tar product is best for you.
4. Different Coal Tar products require different methods of application.
Soap, cleansing bar, and solution formulations may be applied directly to wet or dry skin, or added to lukewarm bath water. Shampoo products can be applied to wet hair like normal shampoo, but should then be rinsed, re-applied, and rinsed again. For cream, lotion, foam, and ointment formulations, apply enough medication to cover the affected area, then gently rub in. For more information about dosing and usage for Coal Tar, talk to your doctor, and visit this website.
5. Coal Tar may stain your skin & clothes.
When using Coal Tar, you may notice staining to the skin, but this discoloration should quickly wear off when you stop using the medication. However, Coal Tar may permanently stain your clothing, so avoid any contact between the medication and your clothes. When applied to the scalp, Coal Tar may temporarily discolor blond, bleached, or tinted hair.2
6. Coal Tar smells….like tar.
Per the name, Coal Tar smells like tar. While this smell is completely normal, some patients dislike Coal Tar products due to the odor.
7. It might sting a little.
A common side effect of Coal Tar is mild stinging on the area where the medication is applied. Mild stinging is more common with gel and solution forms, but you should talk to your doctor about any long-term discomfort when using Coal Tar products.
8. Stay out of the sun when you use Coal Tar!
Coal Tar may make your skin more sensitive to light, known as photosensitivity. Patients using Coal Tar should wear sunscreen and avoid direct sunlight for 72 hours after applying this medication. Unless directed by their doctor, patients using Coal Tar should also avoid sunlamps or UV light.2
9. Coal Tar has a few rare side effects.
Rare side effects of Coal Tar include new skin irritation and skin rash.1,2 When using Coal Tar, seek medical attention or immediately tell your doctor if have symptoms of an allergic reaction (such as itching, hives, swelling in the hands or face, swelling or tingling in the mouth or throat, chest tightness, and/or trouble breathing).2
10. You should talk to your doctor before using Coal Tar.
Before using Coal Tar, talk to your doctor about your current plaque psoriasis treatment regime, especially if you are using light therapy. Coal Tar should only be applied after a doctor has examined your skin, and should not be applied to areas that are infected, blistered, raw, or oozing.2
11. Coal Tar is not safe for your eyes!
Keep this medication away from your eyes. If you accidentally get any Coal Tar product in your eyes, immediately flush your eyes with water, and seek medical attention.2
12. Can Coal Tar be used by pregnant/breastfeeding women & children.1,2
If you are pregnant or breastfeeding, talk to your doctor before using Coal Tar. While some studies indicate that Coal Tar is safe for children and for short periods of time during pregnancy and breastfeeding,1 this medication should be used with caution for pregnant/breastfeeding women and children.1,2
13. Can Coal Tar be used for other skin conditions?
Menter, A., et al. "Guidelines of Care for the Management of Psoriasis and Psoriatic Arthritis."American Academy of Dermatology Association, 60th ed., version 4, Apr. 2009, www.aad.org/practicecenter/quality/clinical-guidelines/psoriasis/topical-therapy/recommendations-for-coal-tar. Accessed 11 June 2017.
"Coal Tar (Topical Route)." PubMed Health, 1 May 2017, www.ncbi.nlm.nih.gov/pubmedhealth/PMH0045996/. Accessed 11 June 2017.