A stabbing pain in the left ear and the left side of the scalp may be related to diseases such as boils on the external auditory canal, herpes zoster in the ear, and auricular neuritis.
1. Boils on the external auditory canal: Under the effect of water in the external auditory canal, trauma and decreased resistance, suppurative inflammation of the hair follicles and sebaceous glands of the external auditory canal can occur due to bacterial infection. The left side of the onset, abscess formation often caused by the left ear with the left scalp a burst of tingling.
2. Herpes zoster in the ear: the above symptoms can be caused by varicella zoster virus infection of the left facial nerve, irritating pain in the distribution area of the facial nerve, which can be accompanied by herpes and facial paralysis symptoms.
3. Otitis major neuritis: due to the stimulation of viruses and adverse physical and chemical factors, causing inflammation of the otitis major nerve, which may cause tingling in the earlobe, in front of the ear and behind the ear in the area of its distribution.
There may be other reasons for the tingling in the left ear and the left side of the scalp, and you should actively consult a doctor for a systematic examination to clarify the diagnosis and cause of the disease.