Hello, Headache, throbbing pain right ear and lip tremors could be due to: - Migrainous headache - One sided headache are most commonly caused by Migraine. It is typically throbbing, associated with eye ache, nausea. Your neurologist or physician will rule out it. - Ear infection - Acute ear infection can cause severe earache, headache, tremors in lips due to pain. To rule out it, get your ear examined from ENT specialist. - Aura symptoms of seizures - Your symptoms could be aura before seizure attack . Aura means warning symptoms before seizure attack. It is typically present before partial seizure. To confirm it, you must consult neurologist and get EEG done. You can match your symptoms with above mentioned differentials and consult accordingly. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Ishu Bishnoi, Neurologist, Surgical