Hydrocodone is a doctor Suggested Pain Relief medicine. It is used to treat severe pain. Hydrocodone is used for a short term period, use it in a long time period can cause effects on the body. Hydrocodone 10-660 mg Side Effects are skin rash, weakness, vomiting, mental depression, back pain, stomach pain, increased sweating, muscle tightening, chest pain.This medicine is available in the form of tablets, solution and capsules. Do not use this medicine for normal pain. Always contact a doctor before using this medicine.