Common cold, sinusitis, ear infection, sensory nerve compression, peripheral neuropathy as in diabetes, inflamed wisdom tooth, impacted
wisdom tooth, dental caries, etc can all cause facial numbness and pain.
Trigeminal neuralgia can also cause twitching of eye with numbness of face. Itch can be due to stress and anxiety, dry skin, hypothyroidism, liver problems etc.
Please consult your PCP for primary examination followed by proper referral. Hope this helps. Take care!