Lichen planus is an inflammatory condition that results in large, purple bumps on your legs and other areas of the body and may increase your risk for cancer, according to MayoClinic.com. Recognize the triggers of lichen planus to lower your chance for the condition and to ensure your well-being. Always notify your doctor before using any home remedy to treat bumps on your legs.
Significance
The American Academy of Dermatology reports that purple, itchy, flat-topped bumps are the common sign of lichen planus, a condition most common in middle-aged adults. The bumps appear all over the body --- often on the lower legs --- and result when your immune system attacks your cells. Lichen planus sometimes causes painful white sores in the mouth or vagina. Mild cases of the condition often resolve with at-home treatment or no treatment, while your doctor may prescribe medication if you experience excessive pain and itching. Lichen planus cannot be passed from person to person.
Time Frame
Bumps on your legs caused by lichen planus may be visible from a few months to a period of years, according to Family Doctor.org. The bumps often start small and grow larger with time. Lichen planus that affects your genitalia or mucous membranes typically lasts longer and often recurs, even after the symptoms appear to have healed.
Types
Certain medical conditions and diseases trigger lichen planus, although the cause of the condition is unknown, says Beth Israel Deaconess Medical Center. Your risk for lichen planus increases if you have a hepatitis C infection, hepatitis B vaccine or some flu vaccines, as well as tattoos. Some medications for high blood pressure, arthritis and heart disease trigger the condition, along with allergens and ibuprofen, naproxen and other nonsteroidal anti-inflammatory drugs.
Prevention/Solution
Apply a cool compress to bumps caused by lichen planus to help minimize inflammation and discomfort. Other home treatments include a soak in the tub with colloidal oatmeal or creams or ointments available without a prescription that contain a minimum of 1 percent hydrocortisone, according to MayoClinic.com. Aloe vera gel, tea tree oil and lavender oil are promoted as treatments for lichen planus, although evidence is lacking to support the claims. Never apply any home remedy to inflamed skin without your doctor's approval.
Potential
Corticosteroid pills, ointments or an injection to relieve itching and inflammation are common treatments for severe cases of lichen planus. Your doctor may prescribe retinoids for lichen planus, as well as a nonsteroidal antihistamine cream. Avoid retinoids if you are pregnant or wish to become pregnant, as the treatment may result in birth defects, says MayoClinic.com.
Warning
The American Academy of Dermatology reports lichen planus may increase your likelihood for oral cancer and skin cancer. Ask your doctor if screening for cancerous tissue cells may be necessary. Help your doctor identify the likely trigger of your lichen planus by making a list in advance of your medications, as well as any drugs or supplements.
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