Squalamine is a chemical. It can be found in the stomach and liver of the spiny dogfish shark. Squalamine can also be made in the laboratory.

People take squalamine as an antibiotic to fight bacterial infections.

Squalamine is applied to the scalp for a type of ringworm. It is also used as an eye drop for an eye disorder called retinal vein occlusion.

Squalamine is injected into the vein for cancer and for an eye disorder called age-related macular degeneration.

Don’t confuse squalamine with shark cartilage, which is prepared from the cartilage of spiny dogfish shark, hammerhead shark (Sphyrna lewini), and other shark species. Also, don’t confuse squalamine with oil made from shark liver.

How does it work ?

Squalamine is thought to prevent growth of bacteria that cause infections. It also seems to prevent the growth of new blood vessels that allow tumors to grow.

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