Caffeine and headaches. When it comes to headaches, caffeine can be either a positive or negative force. For some chronic caffeine users, stopping the use of it can lead to withdrawal syndrome, in which headache and fatigue are prominent.
At home it can be safely used for yeast infections, wrinkles, to thicken eyelashes, migraine, sunburn and acne. This is a popular remedy for constipation one teaspoon once a day for three days only, though it needs to be pure cold pressed castor oil.
Discontinue use after 7 days. Castor oil is usually considered a temporary treatment for constipation and is not meant to be taken long-term. Unless under a doctor's supervision, you should not take castor oil for more than 7 days at a time.