The olive, a sign of peace and friendship throughout the world, is described in the Holy Qur'an in Surat At-Teen.

Its therapeutic uses are:

-It gives exuberance to the facial complexion.
-Prevention against poisons.
-Regulates the digestive process.
-Expels intestinal parasites.
-A good tonic, making the hair healthy, shiny and makes it stronger. Adds luster.
-A massage of olive oil with ordinary salt over the gums is a remedy for several diseases of the gums and teeth.
-Local application of olive oil or the water extracted from the crushed olive oil leaves is effective on boils, rashes and itching.
-Chronic ulcers and boils, which are difficult to heal, are healed with olive oil when applied locally.
-It strengthens the hair and body; hence can be used as a good tonic and for delaying the aging process.
-It helps raise a low libido.
-A combination of normal saline and olive oil is highly effective in burns.
-A soak of olive leaves in water is effective against mouth and lip ulcers, and dermatitis due to allergies.
-The concentrated watery solution of the extract of olive leaves and fruits is very effective against dental cavities and leukoplaquea in the mouth.
-This solution is applied along with vinegar for alopecia to enhance hair growth.
-It is also stated that the local application of this extract removes the scars of small pox and boils.
-Ground olive seeds mixed with butter is effective on brittle nails.
-Pickles prepared from olives are a good appetizer, and stop constipation.
-Its crushed leaves can be applied locally to check excessive perspiration.
-The water extracted from the leaves along with honey is used for ear drops and is effective in various ear ailments. The oil procured by burning the wood of the olive branch is effective against all fungal infections, e.g., ringworm, tenia, versicolor in addition to eczema, psoriasis, dandruff and alopecia.
-Applying olive oil on the scalp is highly effective against dandruff.
-It causes hair growth and reduces hair loss. The application of olive oil in the eyes relieves inflammation.
-A massage of olive oil all over the body tones up the muscles and organs, and relieves muscular pain.
-Some physicians also advocate a massage of olive oil for epilepsy.
-It relieves the sciatica and arthritis.

Ointment prepared from olive oil has very good healing agents:

-It heals the sinuses and fistuli very quickly.
-If taken internally, 25ml of olive oil mixed with 250ml of barley water is highly effective against chronic constipation.
-It is a good diuretic; hence is used in ascites.
-It removes kidney stones.
-In view of the research carried out in the U.S. and Britain, one concludes that it is good nourishment, particularly for kidney ailments where an intake of nitrogen containing protein is contraindicated.
-We mentioned already that the Prophet (pbuh) stated that it is a good remedy for anal fissure. Hence, patients were advised to take two spoonfuls of olive oil at bedtime and an ointment was applied on the fissure locally before sleeping and in the morning. The ointment is prepared from eight spoonfuls of olive oil and two spoonfuls of ground henna leaves.
-Its combination with other prescribed drugs of Prophetic Medicine is a good remedy for psoriasis and eczema.
-The impressions of several doctors practicing in Middle East and North Africa reveal that gastro-intestinal cancer is not detected among those who are used to consuming olive oil. Japanese doctors also endorse this, and have the opinion that olive oil prevents the incidence of cancer in the gastro-intestinal tract.