How to Treat Poison Oak Rashes With Antihistamines
Many people believe that antihistamines will alleviate poison oak rashes. Antihistamines are prescribed to reduce allergic reactions, such as those contracted by pollens and dust. They often work with poison oak as well. Though they can't treat the source of the problem, they help alleviate the symptoms and reduce inflamed rashes. However, improper application may not solve the problem--in fact, it may make things worse. Before you treat poison oak rashes with antihistamines, pay attention to the steps necessary for proper care.
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Instructions
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Determine that poison oak caused the rash. Some symptoms that appear to be poison oak may have come from other sources. Mentally retrace your steps to see if you came in contact with the plant, or ask the patient if he brushed against any bushes with three-leaf configurations in the recent past.
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Purchase oral antihistamines at a pharmacy or local supermarket. Many brands are available in non-prescription strengths and can be taken without a doctor's prescription. Drug companies advertise them as anti-allergy medication, but check the box to make sure they are what you need.
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Take the antihistamines with water, according to instructions. They should reduce the intensity of the itching, which will keep you from scratching the rash so much. It may also mollify the spread of the rash and keep the skin from oozing or developing blisters.
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Continue to take the antihistamines, taking care not to take more of the medicine than the instructions recommend. Usually, that means no more than two or three pills several times a day.
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Avoid applying topical antihistamines to the affected area. While orally administered pills bring relief from the symptoms of the rash, creams and ointments can cause an allergic reaction, which will further inflame the rash and make the problem worse.
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Consult a doctor for stronger or more powerful antihistamines. Though the non-prescription strength is often sufficient to reduce the symptoms, a severe or lingering infection might benefit from stronger medication. Your doctor can tell you if it's warranted and safely prescribe the proper amount.
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Tips & Warnings
Non-prescription antihistamines may cause drowsiness. If you treat poison oak rashes with antihistamines, make sure the patient doesn't drive or operate any heavy machinery while medicated.
Prevention is the best means of treating poison oak. If you believe you have plants in your area or know the exact place where you contracted the rash, try to stay away from it in the future. Alternately, you can treat the plants with herbicides or wear heavy clothes when walking or working in that area.
