I'm not sure how many days in one of Neptune years but one of Neptune's days is 16 hours and 7 minutes long. And one year is 165 earth years so 365 x 165 = 60225 earth d â¦ ays in one Neptune year. 4 people found this useful. Answered.
Most rashes caused by poison ivy, poison oak, or poison sumac are mild and last from five to 12 days. In severe cases, the rash can last for 30 days or longer. Immunotherapy is not available for allergies to poison ivy, poison oak, and poison sumac.
Three Methods:Taking Immediate Care of Your SkinTreating the Itch Caused by the PoisonPreventing Future ExposureCommunity Q&A. Poison ivy, oak, and sumac are a great way to ruin a day in the outdoors. Coming in contact with their toxic leaves, stems, and roots can give you an itchy rash that lasts for 1-3 weeks. Although the only way to completely remove the rash is time, there are several means of reducing the pain and itching involved with exposure to poison ivy.