Fostamatinib disodium and OnabotulinumtoxinA

• Generic Name: fostamatinib
• Dosage Forms: n.a.
• Other Brand Names: Tavalisse

Fostamatinib is used to treat low platelet levels (thrombocytopenia) in the blood in patients with chronic immune thrombocytopenia (ITP) who have received treatment that did not work well.

Fostamatinib disodium is available only with your doctor's prescription.

• Generic Name: onabotulinumtoxinA
• Dosage Forms: n.a.
• Other Brand Names: Botox, Botox Cosmetic

OnabotulinumtoxinA (Botox), is made from the bacteria that causes botulism. Botulinum toxin blocks nerve activity in the muscles.

Botox is used in adults to treat cervical dystonia (severe spasms in the neck muscles), or muscle stiffness in the elbows, wrists, fingers, ankles, or toes. Botox is also used to treat severe underarm sweating (hyperhidrosis).

Botox is also used in adults to treat overactive bladder and incontinence (urine leakage) caused by nerve disorders such as spinal cord injury or multiple sclerosis.

Botox is also used in adults to prevent chronic migraine headaches in adults who have migraines for more than 15 days per month, each lasting 4 hours or longer. Botox should not be used to treat a common tension headache.

Botox is also used to treat certain eye muscle conditions caused by nerve disorders in adults and children who are at least 12 years old. This includes uncontrolled blinking or spasm of the eyelids, and a condition in which the eyes do not point in the same direction.

Botox Cosmetic is used to temporarily lessen the appearance of facial wrinkles in adults.

Botox may also be used for purposes not listed in this medication guide.