Here is a complete list of items to pack for an Appalachian Trail thru-hike first aid kit:

1. Band-Aids in various sizes

2. Moleskin for blister prevention and treatment

3. Sterile gauze pads and medical tape

4. Antiseptic wipes or solution for wound cleaning

5. Tweezers for removing splinters or ticks

6. Pain relievers such as ibuprofen or acetaminophen

7. Anti-inflammatory medication like aspirin

8. Antihistamines for allergies or bug bites

9. Anti-diarrheal medication

10. Electrolyte replacement tablets for dehydration

11. Sunscreen and lip balm with SPF

12. Insect repellent

13. A small pair of scissors

14. A whistle for emergency signaling

15. Leukotape for blister prevention and securing bandages

16. Vaseline for chafing prevention and minor skin irritations

Remember, it's important to pack a first aid kit that's tailored to your specific needs and medical conditions, so consider consulting with a medical professional or experienced hiker for additional advice.