Generic oxycodone 30 mg is an immediate-release opioid analgesic typically prescribed for severe pain. It acts immediately and is often recommended to be taken every 4 to 6 hours, depending on the pain severity. Oxycodone 30 mg should not be taken with alcohol and grapefruit or grapefruit juice.It is mainly used in cases of severe pain, such as chronic cancer pain, chronic non-cancer pain, acute post-surgical pain, and general severe pain management.Some common side effects include constipation, drowsiness, nausea, dizziness, headaches, and severe skin itching. An individual with severe breathing problems or known allergies should avoid this medicine.