Tinnitus in the left ear is aggravated by noise, first of all, you need to stay away from the noise environment, according to the cause of tinnitus treatment. Tinnitus can be caused by neurotinnitus and Eustachian tube dysfunction, which can be treated with medications such as methylcobalamin tablets, ginkgo biloba extract, and glucocorticosteroid nasal sprays under a doctor’s supervision. Noise can damage the inner ear hair cell function and aggravate tinnitus, so you must stay away from noise. If the tinnitus in the left ear is neurogenic, it can be treated with medicines such as methylcobalamin tablets, thromboxane, ginkgo biloba extract, and other drugs that nourish the nerves and improve the circulation if the tinnitus is caused by sensorineural tinnitus. If the Eustachian tube dysfunction leads to tinnitus in the left ear, apply nasal decongestant, such as furosemide nasal drops, etc., the treatment is generally not more than 7 days; glucocorticoid nasal spray, such as nasal spray drug cochineal or endocannabinoid to ease the blockage of the Eustachian tube pharyngeal orifice; mucus promoter, such as eucalyptus-pin intestinal soft capsule, to promote the activity of the cilium. Left tinnitus is aggravated by noise, it is recommended to consult the hospital, after the diagnosis is clear, follow the doctor’s instructions for medication and treatment.