As the infection runs its course, this increased pressure can cause tinnitus. When you develop a cold, the flu, or an ear or sinus infection, the result can be an increase in pressure on the middle ear. This is one of the reasons it's important to wear hearing protection when working around loud sounds. Over time, exposure to high levels of noise can damage these hairs and result in tinnitus. Inside of your ear is tiny sensory hairs that help transmit noise to the brain. If your blood pressure was caught early enough, it could explain the tinnitus occurring around the same time as you started your blood pressure medicine. Let's look at some other factors that may cause tinnitus:īecause high blood pressure affects your blood vessels, and there are blood vessels in the ear, the condition itself can be a cause of tinnitus. This means that it's possible your tinnitus is being caused by something else, and its timing in relation to your new blood pressure medication is just a coincidence. While the above drugs can cause tinnitus, they are not guaranteed to do so. Irbesartan is used in the treatment of high blood pressure and diabetic nephropathy.Īn alpha1 adrenergic antagonist, doxazosin is used to treat high blood pressure and benign prostatic hyperplasia. This medicine is an angiotensin receptor blocker. It's used for treating high blood pressure as well as angina and heart failure.Īn ACE inhibitor, ramipril can be used in the treatment of angina, heart failure, or diabetic kidney disease in addition to high blood pressure. The drug metoprolol is also a beta1-selective adrenoceptor blocking agent. This medicine, also referred to by its full name, bisoprolol fumarate, is a beta1-selective adrenoceptor blocking agent. The specific drugs that are used to lower blood pressure and are also found to be ototoxic include:Īlso known by the brand name Bystolic, nebivolol is a beta-adrenergic blocking agent. However, not every drug within those classes will have an effect on your ear or give you tinnitus. We've noted above which classes of blood pressure medication are shown to be ototoxic. Which blood pressure medications are ototoxic? As the blood vessels become less narrow, pressure is reduced. Angiotensin receptor blockers prevent angiotensin from binding with the receptor. Without a receptor to bind to, the chemical can't tell your body to narrow its vessels. ACE inhibitors tell your body to produce less angiotensin, thereby reducing the narrowing of your vessels and alleviating pressure.Īngiotensin works by binding to a receptor in your body. Narrow vessels with the same amount of blood running through them will experience higher pressure. Because there's less resistance, less pressure is required to pump the blood.Īngiotensin is a chemical in your body that narrows your blood vessels. This class of medicine lowers blood pressure by relaxing the walls of the blood vessels, thereby lowering their resistance and allowing blood to flow more freely. As the heart pumps less blood through the vessels, pressure is lowered. These drugs work to reduce blood pressure by reducing the heart rate, workload on the heart, and the heart's output. From the list of drugs that show an adverse effects on the ear, we can narrow down the types of ototoxic blood pressure medications. Thankfully, scientists have conducted studies on which medications are ototoxic. Others only experience pulsatile tinnitus when they are lying down.Types of ototoxic blood pressure medications Some may only experience pulsatile tinnitus in one ear. But there can also be other causes of pulsatile tinnitus. With pulsatile tinnitus, the effect of stress is indirect as stress can exacerbate blood pressure. Also high blood pressure or a narrowing of a blood vessel near the ear may cause pulsatile tinnitus. Changes in the blood flow such as general increased blood flow, local increased blood flow or turbulent blood flow may be the cause. There can be different possible causes for pulsatile tinnitus. Pulsatile tinnitus, the thumping in the ear, is often related to the blood flow in the vessels (arteries and veins) near the ears or an increased awareness of the blood flow around the ears. Read more about tinnitus here: What is tinnitus? What are the causes of pulsatile tinnitus? Pulsatile tinnitus is different from traditional tinnitus that normally manifests itself in other ways such as ringing, hissing and buzzing noises in the ear. Unilateral hearing loss - Single sided deafness.
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