Can Botox treat conditions besides wrinkles?

The salesperson's version of the question: is Botox only for wrinkles, or does it cover more? The two sources quoted here say it covers more, and they list the uses differently.
The shorter list
my.clevelandclinic.org says: "These injections also treat medical conditions, including migraines, hyperhidrosis, overactive bladder and eye problems." The last item, "eye problems", is a category and not a named condition.
The longer list
medlineplus.gov says of Botox: "Doctors use it in small doses to treat health problems, including:"
- Temporary smoothing of facial wrinkles and improving your appearance
- Severe underarm sweating
- Cervical dystonia - a neurological disorder that causes severe neck and shoulder muscle contractions
- Blepharospasm - uncontrollable blinking
- Strabismus - misaligned eyes
- Chronic migraine
- Overactive bladder
It adds: "Botox injections work by weakening or paralyzing certain muscles or by blocking certain nerves."
The wrinkle use is the first entry on that list and not a separate category. That is the direct answer to "besides wrinkles": the same list carries both.
Claims worth a second look
If a pitch or an agreement in Ann Arbor names a condition that appears on neither list, ask for the source of that claim. Read MedlinePlus on Botox injections, the botulinum toxin topic page at dermnetnz.org and a review of why botulinum toxin type A products are not interchangeable before you sign. Then ask for the treated condition to be written in the words the source uses.