Welcome and thanks for your question I am Dr. German I would be here to help you and give you all the assistance you need until you are satisfied,yes ,there are other medications that could be used to give you the complete relief you need .
However , to take any of these medications , You need a medical prescription . As consequence , You will need to contact your doctor if you want to take any of them.
Besides gabapentin , the medications you could take are :
7- Botox Injections could also help
Medications are not the only option, wearing certain glasses or contact lenses could also be a great help , You should consult an Ophthalmologist who could assist you and tell you what specific glasses you need to wear.
The third option involves alternative treatments like acupuncture ,biofeedback, trigeminal nerve opthalmic branch nerve stimulation and/or cutaneous head neck stimulation.
The last option is performing surgery , there is a procedure called tenotomy , in which the doctor performs an incision in the conjunctiva ,cutting the lateral and medius rectus eye muscles ,detaching them and reattaching them later . This procedure weakens the rectus muscles , decreasing the sick sensation you have been experiencing .
If you need any additional information I will be happy to continue further and assist you until you are completely satisfied . Good luck to you and have a good day !
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Could you explain to me in short what the different medicines do, and if you feel any one of them would be better than the other?