Right big toe numb for weeks. small bunion. never wear tight shoes or heels.

Improper : Fit shoes, entrapment of deep peroneal nerve, low back pain, systemic disease , vitamin deficiency are other possible reasons to feel this.

L4 nerve pinched?: The great toe is innervated by the L4 nerve root. Compression of the nerve anywhere from your lumbar spine out thru an area in the ankle called the tarsal tunnel or even hose/socks or footwear that compresses the nerves specifically to the toe can cause numbness as can systemic causes like diabetes or peripheral neuropathy. See an ortho foot ; ankle specialist for history and exam.

Many possibilities: Numbness can occur from various reasons. Some potential causes include vitamin deficiency, nerve damage, nerve compression, alcohol over consumption, side effects of different medications, or as a result of different systemic medical conditions such as diabetes. Get evaluated by a professional to determine the diagnosis. Treatment is based on the diagnosis.