What is the quickest way to heal achilles tendonitis?

Quick Heal: Immobilization rest ice elevate compression physical therapy proactive, protective, preventative care.

Do these:: Make sure you do your warm-up and cool down stretches consistently. Check your shoes and make sure they are not wore out. Adding an arch support or heel pad may be beneficial. Temporarily hold back on your exercise intensity or duration. If these things do not work, see a podiatrist.

Treat it now!: I suggest seeking treatment for this quickly. Learn from my mistakes. I ignored this condition myself for over five years to the point that traditional treatments including stretches, heel lifts, bracing, and eccentric strengthening didn't help. Newer treatments including ultrasounded guided tenotomy & prp finally helped me. People are also now using stem cell treatments as well.