You can also drink garlic milk and you can make it by crushing 2 raw cloves of garlic cloves into a 1/4 cup of milk and drink it 2 times a day. (fitnessandpower.com)
You can adapt to your liking — I have also made this a ton of times with literally a whole head of garlic cloves added to the mix. (ascensionkitchen.com)
To deter fleas, you can add a small amount of garlic powder on their food. (petcaretools.com)