Several medications have shown promise for certain types of nystagmus. Gabapentin is often effective for acquired pendular nystagmus, while baclofen is the preferred treatment for periodic alternating nystagmus. Memantine and fampyra (fampiridine) are used for specific acquired forms like downbeat nystagmus. Botulinum toxin injections can help some people with acquired nystagmus but are rarely effective for congenital cases. These medications don't work for everyone and can have side effects, so