1 Poison ivy, poison oak, and poison sumac are plants than can cause an itchy rash upon contact. 2  A substance called urushiol, found in these plants, causes the rash. 3  The rash is not contagious.  The rash usually disappears in one to three weeks.
Common factors that can cause clogged ears are wax buildup, air flow blockage to the Eustachian tubes, pressure differences in the middle ear, and cold and sinus problems. Clogged ears can affect people of all ages, but is most common among children, especially when they have colds.
For clogged ears due to a buildup of wax inside the ears, you can use olive oil. Olive oil will help soften ear wax so you can easily remove it. Gently warm some pure olive oil. Use a dropper to put a few drops of the lukewarm olive oil in the affected ear. Allow it to settle for 10 minutes so that the earwax becomes soft. Keep your head sideways and remove the oil and ear wax with ear buds. Do this very gently so you donât hurt the delicate organ.